diff options
author | somov <somov@yandex-team.ru> | 2022-02-10 16:45:47 +0300 |
---|---|---|
committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:47 +0300 |
commit | a5950576e397b1909261050b8c7da16db58f10b1 (patch) | |
tree | 7ba7677f6a4c3e19e2cefab34d16df2c8963b4d4 /contrib/libs/farmhash | |
parent | 81eddc8c0b55990194e112b02d127b87d54164a9 (diff) | |
download | ydb-a5950576e397b1909261050b8c7da16db58f10b1.tar.gz |
Restoring authorship annotation for <somov@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/farmhash')
24 files changed, 24331 insertions, 24331 deletions
diff --git a/contrib/libs/farmhash/COPYING b/contrib/libs/farmhash/COPYING index 8176e66198..ace09804a3 100644 --- a/contrib/libs/farmhash/COPYING +++ b/contrib/libs/farmhash/COPYING @@ -1,19 +1,19 @@ -// Copyright (c) 2014 Google, Inc. -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. +// Copyright (c) 2014 Google, Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. diff --git a/contrib/libs/farmhash/IMPORT b/contrib/libs/farmhash/IMPORT index a923a166bf..82f14a4b01 100644 --- a/contrib/libs/farmhash/IMPORT +++ b/contrib/libs/farmhash/IMPORT @@ -1 +1 @@ -Imported from https://github.com/google/farmhash commit 23eecfbe7e84ebf2e229bd02248f431c36e12f1a (master branch, 2017-06-26) +Imported from https://github.com/google/farmhash commit 23eecfbe7e84ebf2e229bd02248f431c36e12f1a (master branch, 2017-06-26) diff --git a/contrib/libs/farmhash/README b/contrib/libs/farmhash/README index 146936d21a..a0b2414a2c 100644 --- a/contrib/libs/farmhash/README +++ b/contrib/libs/farmhash/README @@ -1,163 +1,163 @@ -FarmHash, a family of hash functions. -Version 1.1 - -Introduction -============ - -A general overview of hash functions and their use is available in the file -Understanding_Hash_Functions in this directory. It may be helpful to read it -before using FarmHash. - -FarmHash provides hash functions for strings and other data. The functions -mix the input bits thoroughly but are not suitable for cryptography. See -"Hash Quality," below, for details on how FarmHash was tested and so on. - -We provide reference implementations in C++, with a friendly MIT license. - -All members of the FarmHash family were designed with heavy reliance on -previous work by Jyrki Alakuijala, Austin Appleby, Bob Jenkins, and others. - - -Recommended Usage -================= - -Our belief is that the typical hash function is mostly used for in-memory hash -tables and similar. That use case allows hash functions that differ on -different platforms, and that change from time to time. For this, I recommend -using wrapper functions in a .h file with comments such as, "may change from -time to time, may differ on different platforms, and may change depending on -NDEBUG." - -Some projects may also require a forever-fixed, portable hash function. Again -we recommend using wrapper functions in a .h, but in this case the comments on -them would be very different. - -We have provided a sample of these wrapper functions in src/farmhash.h. Our -hope is that most people will need nothing more than src/farmhash.h and -src/farmhash.cc. Those two files are a usable and relatively portable library. -(One portability snag: if your compiler doesn't have __builtin_expect then -you may need to define FARMHASH_NO_BUILTIN_EXPECT.) For those that prefer -using a configure script (perhaps because they want to "make install" later), -FarmHash has one, but for many people it's best to ignore it. - -Note that the wrapper functions such as Hash() in src/farmhash.h can select -one of several hash functions. The selection is done at compile time, based -on your machine architecture (e.g., sizeof(size_t)) and the availability of -vector instructions (e.g., SSE4.1). - -To get the best performance from FarmHash, one will need to think a bit about -when to use compiler flags that allow vector instructions and such: -maes, --msse4.2, -mavx, etc., or their equivalents for other compilers. Those are -the g++ flags that make g++ emit more types of machine instructions than it -otherwise would. For example, if you are confident that you will only be -using FarmHash on systems with SSE4.2 and/or AES, you may communicate that to -the compiler as explained in src/farmhash.cc. If not, use -maes, -mavx, etc., -when you can, and the appropriate choices will be made by via conditional -compilation in src/farmhash.cc. - -It may be beneficial to try -O3 or other compiler flags as well. I also have -found feedback-directed optimization (FDO) to improve the speed of FarmHash. - -The "configure" script: creating config.h -========================================= - -We provide reference implementations of several FarmHash functions, written in -C++. The build system is based on autoconf. It defaults the C++ compiler -flags to "-g -O2", which may or may not be best. - -If you are planning to use the configure script, I generally recommend -trying this first, unless you know that your system lacks AVX and/or AESNI: - - ./configure CXXFLAGS="-g -mavx -maes -O3" - make all check - -If that fails, you can retry with -mavx and/or -maes removed, or with -mavx replaced by --msse4.1 or -msse4.2. - -Please see below for thoughts on cross-platform testing, if that is a concern. -Finally, if you want to install a library, you may use - - make install - -Some useful flags for configure include: - - --enable-optional-builtin-expect: This causes __builtin_expect to be optional. - If you don't use this flag, the assumption is that FarmHash will be compiled - with compilers that provide __builtin_expect. In practice, some FarmHash - variants may be slightly faster if __builtin_expect is available, but it - isn't very important and affects speed only. - -Further Details -=============== - -The above instructions will produce a single source-level library that -includes multiple hash functions. It will use conditional compilation, and -perhaps GCC's multiversioning, to select among the functions. In addition, -"make all check" will create an object file using your chosen compiler, and -test it. The object file won't necessarily contain all the code that would be -used if you were to compile the code on other platforms. The downside of this -is obvious: the paths not tested may not actually work if and when you try -them. The FarmHash developers try hard to prevent such problems; please let -us know if you find bugs. - -To aid your cross-platform testing, for each relevant platform you may -compile your program that uses farmhash.cc with the preprocessor flag -FARMHASHSELFTEST equal to 1. This causes a FarmHash self test to run -at program startup; the self test writes output to stdout and then -calls std::exit(). You can see this in action by running "make check": -see src/farm-test.cc for details. - -There's also a trivial workaround to force particular functions to be used: -modify the wrapper functions in hash.h. You can prevent choices being made via -conditional compilation or multiversioning by choosing FarmHash variants with -names like farmhashaa::Hash32, farmhashab::Hash64, etc.: those compute the same -hash function regardless of conditional compilation, multiversioning, or -endianness. Consult their comments and ifdefs to learn their requirements: for -example, they are not all guaranteed to work on all platforms. - -Known Issues -============ - -1) FarmHash was developed with little-endian architectures in mind. It should -work on big-endian too, but less work has gone into optimizing for those -platforms. To make FarmHash work properly on big-endian platforms you may -need to modify the wrapper .h file and/or your compiler flags to arrange for -FARMHASH_BIG_ENDIAN to be defined, though there is logic that tries to figure -it out automatically. - -2) FarmHash's implementation is fairly complex. - -3) The techniques described in dev/INSTRUCTIONS to let hash function -developers regenerate src/*.cc from dev/* are hacky and not so portable. - -Hash Quality -============ - -We like to test hash functions with SMHasher, among other things. -SMHasher isn't perfect, but it seems to find almost any significant flaw. -SMHasher is available at http://code.google.com/p/smhasher/ - -SMHasher is designed to pass a 32-bit seed to the hash functions it tests. -For our functions that accept a seed, we use the given seed directly (padded -with zeroes as needed); for our functions that don't accept a seed, we hash -the concatenation of the given seed and the input string. - -Some minor flaws in 32-bit and 64-bit functions are harmless, as we -expect the primary use of these functions will be in hash tables. We -may have gone slightly overboard in trying to please SMHasher and other -similar tests, but we don't want anyone to choose a different hash function -because of some minor issue reported by a quality test. - -If your setup is similar enough to mine, it's easy to use SMHasher and other -tools yourself via the "builder" in the dev directory. See dev/INSTRUCTIONS. -(Improvements to that directory are a relatively low priority, and code -there is never going to be as portable as the other parts of FarmHash.) - -For more information -==================== - -http://code.google.com/p/farmhash/ - -farmhash-discuss@googlegroups.com - -Please feel free to send us comments, questions, bug reports, or patches. +FarmHash, a family of hash functions. +Version 1.1 + +Introduction +============ + +A general overview of hash functions and their use is available in the file +Understanding_Hash_Functions in this directory. It may be helpful to read it +before using FarmHash. + +FarmHash provides hash functions for strings and other data. The functions +mix the input bits thoroughly but are not suitable for cryptography. See +"Hash Quality," below, for details on how FarmHash was tested and so on. + +We provide reference implementations in C++, with a friendly MIT license. + +All members of the FarmHash family were designed with heavy reliance on +previous work by Jyrki Alakuijala, Austin Appleby, Bob Jenkins, and others. + + +Recommended Usage +================= + +Our belief is that the typical hash function is mostly used for in-memory hash +tables and similar. That use case allows hash functions that differ on +different platforms, and that change from time to time. For this, I recommend +using wrapper functions in a .h file with comments such as, "may change from +time to time, may differ on different platforms, and may change depending on +NDEBUG." + +Some projects may also require a forever-fixed, portable hash function. Again +we recommend using wrapper functions in a .h, but in this case the comments on +them would be very different. + +We have provided a sample of these wrapper functions in src/farmhash.h. Our +hope is that most people will need nothing more than src/farmhash.h and +src/farmhash.cc. Those two files are a usable and relatively portable library. +(One portability snag: if your compiler doesn't have __builtin_expect then +you may need to define FARMHASH_NO_BUILTIN_EXPECT.) For those that prefer +using a configure script (perhaps because they want to "make install" later), +FarmHash has one, but for many people it's best to ignore it. + +Note that the wrapper functions such as Hash() in src/farmhash.h can select +one of several hash functions. The selection is done at compile time, based +on your machine architecture (e.g., sizeof(size_t)) and the availability of +vector instructions (e.g., SSE4.1). + +To get the best performance from FarmHash, one will need to think a bit about +when to use compiler flags that allow vector instructions and such: -maes, +-msse4.2, -mavx, etc., or their equivalents for other compilers. Those are +the g++ flags that make g++ emit more types of machine instructions than it +otherwise would. For example, if you are confident that you will only be +using FarmHash on systems with SSE4.2 and/or AES, you may communicate that to +the compiler as explained in src/farmhash.cc. If not, use -maes, -mavx, etc., +when you can, and the appropriate choices will be made by via conditional +compilation in src/farmhash.cc. + +It may be beneficial to try -O3 or other compiler flags as well. I also have +found feedback-directed optimization (FDO) to improve the speed of FarmHash. + +The "configure" script: creating config.h +========================================= + +We provide reference implementations of several FarmHash functions, written in +C++. The build system is based on autoconf. It defaults the C++ compiler +flags to "-g -O2", which may or may not be best. + +If you are planning to use the configure script, I generally recommend +trying this first, unless you know that your system lacks AVX and/or AESNI: + + ./configure CXXFLAGS="-g -mavx -maes -O3" + make all check + +If that fails, you can retry with -mavx and/or -maes removed, or with -mavx replaced by +-msse4.1 or -msse4.2. + +Please see below for thoughts on cross-platform testing, if that is a concern. +Finally, if you want to install a library, you may use + + make install + +Some useful flags for configure include: + + --enable-optional-builtin-expect: This causes __builtin_expect to be optional. + If you don't use this flag, the assumption is that FarmHash will be compiled + with compilers that provide __builtin_expect. In practice, some FarmHash + variants may be slightly faster if __builtin_expect is available, but it + isn't very important and affects speed only. + +Further Details +=============== + +The above instructions will produce a single source-level library that +includes multiple hash functions. It will use conditional compilation, and +perhaps GCC's multiversioning, to select among the functions. In addition, +"make all check" will create an object file using your chosen compiler, and +test it. The object file won't necessarily contain all the code that would be +used if you were to compile the code on other platforms. The downside of this +is obvious: the paths not tested may not actually work if and when you try +them. The FarmHash developers try hard to prevent such problems; please let +us know if you find bugs. + +To aid your cross-platform testing, for each relevant platform you may +compile your program that uses farmhash.cc with the preprocessor flag +FARMHASHSELFTEST equal to 1. This causes a FarmHash self test to run +at program startup; the self test writes output to stdout and then +calls std::exit(). You can see this in action by running "make check": +see src/farm-test.cc for details. + +There's also a trivial workaround to force particular functions to be used: +modify the wrapper functions in hash.h. You can prevent choices being made via +conditional compilation or multiversioning by choosing FarmHash variants with +names like farmhashaa::Hash32, farmhashab::Hash64, etc.: those compute the same +hash function regardless of conditional compilation, multiversioning, or +endianness. Consult their comments and ifdefs to learn their requirements: for +example, they are not all guaranteed to work on all platforms. + +Known Issues +============ + +1) FarmHash was developed with little-endian architectures in mind. It should +work on big-endian too, but less work has gone into optimizing for those +platforms. To make FarmHash work properly on big-endian platforms you may +need to modify the wrapper .h file and/or your compiler flags to arrange for +FARMHASH_BIG_ENDIAN to be defined, though there is logic that tries to figure +it out automatically. + +2) FarmHash's implementation is fairly complex. + +3) The techniques described in dev/INSTRUCTIONS to let hash function +developers regenerate src/*.cc from dev/* are hacky and not so portable. + +Hash Quality +============ + +We like to test hash functions with SMHasher, among other things. +SMHasher isn't perfect, but it seems to find almost any significant flaw. +SMHasher is available at http://code.google.com/p/smhasher/ + +SMHasher is designed to pass a 32-bit seed to the hash functions it tests. +For our functions that accept a seed, we use the given seed directly (padded +with zeroes as needed); for our functions that don't accept a seed, we hash +the concatenation of the given seed and the input string. + +Some minor flaws in 32-bit and 64-bit functions are harmless, as we +expect the primary use of these functions will be in hash tables. We +may have gone slightly overboard in trying to please SMHasher and other +similar tests, but we don't want anyone to choose a different hash function +because of some minor issue reported by a quality test. + +If your setup is similar enough to mine, it's easy to use SMHasher and other +tools yourself via the "builder" in the dev directory. See dev/INSTRUCTIONS. +(Improvements to that directory are a relatively low priority, and code +there is never going to be as portable as the other parts of FarmHash.) + +For more information +==================== + +http://code.google.com/p/farmhash/ + +farmhash-discuss@googlegroups.com + +Please feel free to send us comments, questions, bug reports, or patches. diff --git a/contrib/libs/farmhash/arch/sse41/ya.make b/contrib/libs/farmhash/arch/sse41/ya.make index b3b2964c99..21dde59a82 100644 --- a/contrib/libs/farmhash/arch/sse41/ya.make +++ b/contrib/libs/farmhash/arch/sse41/ya.make @@ -1,21 +1,21 @@ -LIBRARY() - +LIBRARY() + WITHOUT_LICENSE_TEXTS() LICENSE(MIT) OWNER(somov) - -NO_COMPILER_WARNINGS() - + +NO_COMPILER_WARNINGS() + IF (NOT MSVC OR CLANG_CL) - CFLAGS(-msse4.1) -ENDIF() - -SRCDIR(contrib/libs/farmhash) - + CFLAGS(-msse4.1) +ENDIF() + +SRCDIR(contrib/libs/farmhash) + SRCS( farmhashnt.cc ) - -END() + +END() diff --git a/contrib/libs/farmhash/arch/sse42/ya.make b/contrib/libs/farmhash/arch/sse42/ya.make index 6df471feb7..fab89cdec9 100644 --- a/contrib/libs/farmhash/arch/sse42/ya.make +++ b/contrib/libs/farmhash/arch/sse42/ya.make @@ -1,22 +1,22 @@ -LIBRARY() - +LIBRARY() + WITHOUT_LICENSE_TEXTS() LICENSE(MIT) OWNER(somov) - -NO_COMPILER_WARNINGS() - + +NO_COMPILER_WARNINGS() + IF (NOT MSVC OR CLANG_CL) - CFLAGS(-msse4.2) -ENDIF() - -SRCDIR(contrib/libs/farmhash) - -SRCS( - farmhashsa.cc - farmhashte.cc -) - -END() + CFLAGS(-msse4.2) +ENDIF() + +SRCDIR(contrib/libs/farmhash) + +SRCS( + farmhashsa.cc + farmhashte.cc +) + +END() diff --git a/contrib/libs/farmhash/arch/sse42_aesni/ya.make b/contrib/libs/farmhash/arch/sse42_aesni/ya.make index 4d558bc2a2..d403c5b4b5 100644 --- a/contrib/libs/farmhash/arch/sse42_aesni/ya.make +++ b/contrib/libs/farmhash/arch/sse42_aesni/ya.make @@ -1,24 +1,24 @@ -LIBRARY() - +LIBRARY() + WITHOUT_LICENSE_TEXTS() LICENSE(MIT) OWNER(somov) - -NO_COMPILER_WARNINGS() - + +NO_COMPILER_WARNINGS() + IF (NOT MSVC OR CLANG_CL) CFLAGS( -msse4.2 -maes ) -ENDIF() - -SRCDIR(contrib/libs/farmhash) - +ENDIF() + +SRCDIR(contrib/libs/farmhash) + SRCS( farmhashsu.cc ) - -END() + +END() diff --git a/contrib/libs/farmhash/common.h b/contrib/libs/farmhash/common.h index 7c6acfee33..fc3a77db81 100644 --- a/contrib/libs/farmhash/common.h +++ b/contrib/libs/farmhash/common.h @@ -1,412 +1,412 @@ -#pragma once - -// Copyright (c) 2014 Google, Inc. -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. -// -// FarmHash, by Geoff Pike - -#include "farmhash.h" -// FARMHASH ASSUMPTIONS: Modify as needed, or use -DFARMHASH_ASSUME_SSE42 etc. -// Note that if you use -DFARMHASH_ASSUME_SSE42 you likely need -msse42 -// (or its equivalent for your compiler); if you use -DFARMHASH_ASSUME_AESNI -// you likely need -maes (or its equivalent for your compiler). - -#ifdef FARMHASH_ASSUME_SSSE3 -#undef FARMHASH_ASSUME_SSSE3 -#define FARMHASH_ASSUME_SSSE3 1 -#endif - -#ifdef FARMHASH_ASSUME_SSE41 -#undef FARMHASH_ASSUME_SSE41 -#define FARMHASH_ASSUME_SSE41 1 -#endif - -#ifdef FARMHASH_ASSUME_SSE42 -#undef FARMHASH_ASSUME_SSE42 -#define FARMHASH_ASSUME_SSE42 1 -#endif - -#ifdef FARMHASH_ASSUME_AESNI -#undef FARMHASH_ASSUME_AESNI -#define FARMHASH_ASSUME_AESNI 1 -#endif - -#ifdef FARMHASH_ASSUME_AVX -#undef FARMHASH_ASSUME_AVX -#define FARMHASH_ASSUME_AVX 1 -#endif - -#if !defined(FARMHASH_CAN_USE_CXX11) && defined(LANG_CXX11) -#define FARMHASH_CAN_USE_CXX11 1 -#else -#undef FARMHASH_CAN_USE_CXX11 -#define FARMHASH_CAN_USE_CXX11 0 -#endif - -// FARMHASH PORTABILITY LAYER: Runtime error if misconfigured - -#ifndef FARMHASH_DIE_IF_MISCONFIGURED -#define FARMHASH_DIE_IF_MISCONFIGURED do { *(char*)(len % 17) = 0; } while (0) -#endif - -// FARMHASH PORTABILITY LAYER: "static inline" or similar - -#ifndef STATIC_INLINE -#define STATIC_INLINE static inline -#endif - -// FARMHASH PORTABILITY LAYER: LIKELY and UNLIKELY - -#if defined(_MSC_VER) -# define FARMHASH_NO_BUILTIN_EXPECT -#endif - -#if !defined(LIKELY) -#if defined(FARMHASH_NO_BUILTIN_EXPECT) || (defined(FARMHASH_OPTIONAL_BUILTIN_EXPECT) && !defined(HAVE_BUILTIN_EXPECT)) -#define LIKELY(x) (x) -#else -#define LIKELY(x) (__builtin_expect(!!(x), 1)) -#endif -#endif - -#undef UNLIKELY -#define UNLIKELY(x) !LIKELY(!(x)) - -// FARMHASH PORTABILITY LAYER: endianness and byteswapping functions - -#ifdef WORDS_BIGENDIAN -#undef FARMHASH_BIG_ENDIAN -#define FARMHASH_BIG_ENDIAN 1 -#endif - -#if defined(FARMHASH_LITTLE_ENDIAN) && defined(FARMHASH_BIG_ENDIAN) -#error -#endif - -#if !defined(FARMHASH_LITTLE_ENDIAN) && !defined(FARMHASH_BIG_ENDIAN) -#define FARMHASH_UNKNOWN_ENDIAN 1 -#endif - -#if !defined(bswap_32) || !defined(bswap_64) -#undef bswap_32 -#undef bswap_64 - -#if defined(HAVE_BUILTIN_BSWAP) || defined(__clang__) || \ - (defined(__GNUC__) && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 8) || \ - __GNUC__ >= 5)) -// Easy case for bswap: no header file needed. -#define bswap_32(x) __builtin_bswap32(x) -#define bswap_64(x) __builtin_bswap64(x) -#endif - -#endif - -#if defined(FARMHASH_UNKNOWN_ENDIAN) || !defined(bswap_64) - -#ifdef _MSC_VER - -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) _byteswap_ulong(x) -#define bswap_64(x) _byteswap_uint64(x) - -#elif defined(__APPLE__) - -// Mac OS X / Darwin features -#include <libkern/OSByteOrder.h> -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) OSSwapInt32(x) -#define bswap_64(x) OSSwapInt64(x) - -#elif defined(__sun) || defined(sun) - -#include <sys/byteorder.h> -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) BSWAP_32(x) -#define bswap_64(x) BSWAP_64(x) - -#elif defined(__FreeBSD__) || defined(__DragonFly__) - -#include <sys/endian.h> -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) bswap32(x) -#define bswap_64(x) bswap64(x) - -#elif defined(__OpenBSD__) - -#include <sys/types.h> -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) swap32(x) -#define bswap_64(x) swap64(x) - -#elif defined(__NetBSD__) - -#include <sys/types.h> -#include <machine/bswap.h> -#if defined(__BSWAP_RENAME) && !defined(__bswap_32) -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) bswap32(x) -#define bswap_64(x) bswap64(x) -#endif - -#else - -#undef bswap_32 -#undef bswap_64 -#include <byteswap.h> - -#endif - -#ifdef WORDS_BIGENDIAN -#define FARMHASH_BIG_ENDIAN 1 -#endif - -#endif - -#ifdef FARMHASH_BIG_ENDIAN -#define uint32_in_expected_order(x) (bswap_32(x)) -#define uint64_in_expected_order(x) (bswap_64(x)) -#else -#define uint32_in_expected_order(x) (x) -#define uint64_in_expected_order(x) (x) -#endif - -namespace NAMESPACE_FOR_HASH_FUNCTIONS { - -STATIC_INLINE uint64_t Fetch64(const char *p) { - uint64_t result; - memcpy(&result, p, sizeof(result)); - return uint64_in_expected_order(result); -} - -STATIC_INLINE uint32_t Fetch32(const char *p) { - uint32_t result; - memcpy(&result, p, sizeof(result)); - return uint32_in_expected_order(result); -} - -STATIC_INLINE uint32_t Bswap32(uint32_t val) { return bswap_32(val); } -STATIC_INLINE uint64_t Bswap64(uint64_t val) { return bswap_64(val); } - -// FARMHASH PORTABILITY LAYER: bitwise rot - -STATIC_INLINE uint32_t BasicRotate32(uint32_t val, int shift) { - // Avoid shifting by 32: doing so yields an undefined result. - return shift == 0 ? val : ((val >> shift) | (val << (32 - shift))); -} - -STATIC_INLINE uint64_t BasicRotate64(uint64_t val, int shift) { - // Avoid shifting by 64: doing so yields an undefined result. - return shift == 0 ? val : ((val >> shift) | (val << (64 - shift))); -} - -#if defined(_MSC_VER) && defined(FARMHASH_ROTR) - -STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { - return sizeof(unsigned long) == sizeof(val) ? - _lrotr(val, shift) : - BasicRotate32(val, shift); -} - -STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { - return sizeof(unsigned long) == sizeof(val) ? - _lrotr(val, shift) : - BasicRotate64(val, shift); -} - -#else - -STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { - return BasicRotate32(val, shift); -} -STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { - return BasicRotate64(val, shift); -} - -#endif - -} // namespace NAMESPACE_FOR_HASH_FUNCTIONS - -// FARMHASH PORTABILITY LAYER: debug mode or max speed? -// One may use -DFARMHASH_DEBUG=1 or -DFARMHASH_DEBUG=0 to force the issue. - -#if !defined(FARMHASH_DEBUG) && (!defined(NDEBUG) || defined(_DEBUG)) -#define FARMHASH_DEBUG 1 -#endif - -#undef debug_mode -#if FARMHASH_DEBUG -#define debug_mode 1 -#else -#define debug_mode 0 -#endif - -// PLATFORM-SPECIFIC FUNCTIONS AND MACROS - -#undef x86_64 -#if defined (__x86_64) || defined (__x86_64__) -#define x86_64 1 -#else -#define x86_64 0 -#endif - -#undef x86 -#if defined(__i386__) || defined(__i386) || defined(__X86__) -#define x86 1 -#else -#define x86 x86_64 -#endif - -#if !defined(is_64bit) -#define is_64bit (x86_64 || (sizeof(void*) == 8)) -#endif - -#undef can_use_ssse3 -#if defined(__SSSE3__) || defined(FARMHASH_ASSUME_SSSE3) - -#include <immintrin.h> -#define can_use_ssse3 1 -// Now we can use _mm_hsub_epi16 and so on. - -#else -#define can_use_ssse3 0 -#endif - -#undef can_use_sse41 -#if defined(__SSE4_1__) || defined(FARMHASH_ASSUME_SSE41) - -#include <immintrin.h> -#define can_use_sse41 1 -// Now we can use _mm_insert_epi64 and so on. - -#else -#define can_use_sse41 0 -#endif - -#undef can_use_sse42 -#if defined(__SSE4_2__) || defined(FARMHASH_ASSUME_SSE42) - -#include <nmmintrin.h> -#define can_use_sse42 1 -// Now we can use _mm_crc32_u{32,16,8}. And on 64-bit platforms, _mm_crc32_u64. - -#else -#define can_use_sse42 0 -#endif - -#undef can_use_aesni -#if defined(__AES__) || defined(FARMHASH_ASSUME_AESNI) - -#include <wmmintrin.h> -#define can_use_aesni 1 -// Now we can use _mm_aesimc_si128 and so on. - -#else -#define can_use_aesni 0 -#endif - -#undef can_use_avx -#if defined(__AVX__) || defined(FARMHASH_ASSUME_AVX) - -#include <immintrin.h> -#define can_use_avx 1 - -#else -#define can_use_avx 0 -#endif - -#if can_use_ssse3 || can_use_sse41 || can_use_sse42 || can_use_aesni || can_use_avx -STATIC_INLINE __m128i Fetch128(const char* s) { - return _mm_loadu_si128(reinterpret_cast<const __m128i*>(s)); -} -#endif -// Building blocks for hash functions - -// std::swap() was in <algorithm> but is in <utility> from C++11 on. -#if !FARMHASH_CAN_USE_CXX11 -#include <algorithm> -#endif - -#undef PERMUTE3 -#define PERMUTE3(a, b, c) do { std::swap(a, b); std::swap(a, c); } while (0) - -namespace NAMESPACE_FOR_HASH_FUNCTIONS { - -// Some primes between 2^63 and 2^64 for various uses. -static const uint64_t k0 = 0xc3a5c85c97cb3127ULL; -static const uint64_t k1 = 0xb492b66fbe98f273ULL; -static const uint64_t k2 = 0x9ae16a3b2f90404fULL; - -// Magic numbers for 32-bit hashing. Copied from Murmur3. -static const uint32_t c1 = 0xcc9e2d51; -static const uint32_t c2 = 0x1b873593; - -// A 32-bit to 32-bit integer hash copied from Murmur3. -STATIC_INLINE uint32_t fmix(uint32_t h) -{ - h ^= h >> 16; - h *= 0x85ebca6b; - h ^= h >> 13; - h *= 0xc2b2ae35; - h ^= h >> 16; - return h; -} - -STATIC_INLINE uint32_t Mur(uint32_t a, uint32_t h) { - // Helper from Murmur3 for combining two 32-bit values. - a *= c1; - a = Rotate32(a, 17); - a *= c2; - h ^= a; - h = Rotate32(h, 19); - return h * 5 + 0xe6546b64; -} - -template <typename T> STATIC_INLINE T DebugTweak(T x) { - if (debug_mode) { - if (sizeof(x) == 4) { - x = ~Bswap32(x * c1); - } else { - x = ~Bswap64(x * k1); - } - } - return x; -} - -template <> uint128_t DebugTweak(uint128_t x) { - if (debug_mode) { - uint64_t y = DebugTweak(Uint128Low64(x)); - uint64_t z = DebugTweak(Uint128High64(x)); - y += z; - z += y; - x = Uint128(y, z * k1); - } - return x; -} - -} // namespace NAMESPACE_FOR_HASH_FUNCTIONS - -using namespace std; -using namespace NAMESPACE_FOR_HASH_FUNCTIONS; +#pragma once + +// Copyright (c) 2014 Google, Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// +// FarmHash, by Geoff Pike + +#include "farmhash.h" +// FARMHASH ASSUMPTIONS: Modify as needed, or use -DFARMHASH_ASSUME_SSE42 etc. +// Note that if you use -DFARMHASH_ASSUME_SSE42 you likely need -msse42 +// (or its equivalent for your compiler); if you use -DFARMHASH_ASSUME_AESNI +// you likely need -maes (or its equivalent for your compiler). + +#ifdef FARMHASH_ASSUME_SSSE3 +#undef FARMHASH_ASSUME_SSSE3 +#define FARMHASH_ASSUME_SSSE3 1 +#endif + +#ifdef FARMHASH_ASSUME_SSE41 +#undef FARMHASH_ASSUME_SSE41 +#define FARMHASH_ASSUME_SSE41 1 +#endif + +#ifdef FARMHASH_ASSUME_SSE42 +#undef FARMHASH_ASSUME_SSE42 +#define FARMHASH_ASSUME_SSE42 1 +#endif + +#ifdef FARMHASH_ASSUME_AESNI +#undef FARMHASH_ASSUME_AESNI +#define FARMHASH_ASSUME_AESNI 1 +#endif + +#ifdef FARMHASH_ASSUME_AVX +#undef FARMHASH_ASSUME_AVX +#define FARMHASH_ASSUME_AVX 1 +#endif + +#if !defined(FARMHASH_CAN_USE_CXX11) && defined(LANG_CXX11) +#define FARMHASH_CAN_USE_CXX11 1 +#else +#undef FARMHASH_CAN_USE_CXX11 +#define FARMHASH_CAN_USE_CXX11 0 +#endif + +// FARMHASH PORTABILITY LAYER: Runtime error if misconfigured + +#ifndef FARMHASH_DIE_IF_MISCONFIGURED +#define FARMHASH_DIE_IF_MISCONFIGURED do { *(char*)(len % 17) = 0; } while (0) +#endif + +// FARMHASH PORTABILITY LAYER: "static inline" or similar + +#ifndef STATIC_INLINE +#define STATIC_INLINE static inline +#endif + +// FARMHASH PORTABILITY LAYER: LIKELY and UNLIKELY + +#if defined(_MSC_VER) +# define FARMHASH_NO_BUILTIN_EXPECT +#endif + +#if !defined(LIKELY) +#if defined(FARMHASH_NO_BUILTIN_EXPECT) || (defined(FARMHASH_OPTIONAL_BUILTIN_EXPECT) && !defined(HAVE_BUILTIN_EXPECT)) +#define LIKELY(x) (x) +#else +#define LIKELY(x) (__builtin_expect(!!(x), 1)) +#endif +#endif + +#undef UNLIKELY +#define UNLIKELY(x) !LIKELY(!(x)) + +// FARMHASH PORTABILITY LAYER: endianness and byteswapping functions + +#ifdef WORDS_BIGENDIAN +#undef FARMHASH_BIG_ENDIAN +#define FARMHASH_BIG_ENDIAN 1 +#endif + +#if defined(FARMHASH_LITTLE_ENDIAN) && defined(FARMHASH_BIG_ENDIAN) +#error +#endif + +#if !defined(FARMHASH_LITTLE_ENDIAN) && !defined(FARMHASH_BIG_ENDIAN) +#define FARMHASH_UNKNOWN_ENDIAN 1 +#endif + +#if !defined(bswap_32) || !defined(bswap_64) +#undef bswap_32 +#undef bswap_64 + +#if defined(HAVE_BUILTIN_BSWAP) || defined(__clang__) || \ + (defined(__GNUC__) && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 8) || \ + __GNUC__ >= 5)) +// Easy case for bswap: no header file needed. +#define bswap_32(x) __builtin_bswap32(x) +#define bswap_64(x) __builtin_bswap64(x) +#endif + +#endif + +#if defined(FARMHASH_UNKNOWN_ENDIAN) || !defined(bswap_64) + +#ifdef _MSC_VER + +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) _byteswap_ulong(x) +#define bswap_64(x) _byteswap_uint64(x) + +#elif defined(__APPLE__) + +// Mac OS X / Darwin features +#include <libkern/OSByteOrder.h> +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) OSSwapInt32(x) +#define bswap_64(x) OSSwapInt64(x) + +#elif defined(__sun) || defined(sun) + +#include <sys/byteorder.h> +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) BSWAP_32(x) +#define bswap_64(x) BSWAP_64(x) + +#elif defined(__FreeBSD__) || defined(__DragonFly__) + +#include <sys/endian.h> +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) bswap32(x) +#define bswap_64(x) bswap64(x) + +#elif defined(__OpenBSD__) + +#include <sys/types.h> +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) swap32(x) +#define bswap_64(x) swap64(x) + +#elif defined(__NetBSD__) + +#include <sys/types.h> +#include <machine/bswap.h> +#if defined(__BSWAP_RENAME) && !defined(__bswap_32) +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) bswap32(x) +#define bswap_64(x) bswap64(x) +#endif + +#else + +#undef bswap_32 +#undef bswap_64 +#include <byteswap.h> + +#endif + +#ifdef WORDS_BIGENDIAN +#define FARMHASH_BIG_ENDIAN 1 +#endif + +#endif + +#ifdef FARMHASH_BIG_ENDIAN +#define uint32_in_expected_order(x) (bswap_32(x)) +#define uint64_in_expected_order(x) (bswap_64(x)) +#else +#define uint32_in_expected_order(x) (x) +#define uint64_in_expected_order(x) (x) +#endif + +namespace NAMESPACE_FOR_HASH_FUNCTIONS { + +STATIC_INLINE uint64_t Fetch64(const char *p) { + uint64_t result; + memcpy(&result, p, sizeof(result)); + return uint64_in_expected_order(result); +} + +STATIC_INLINE uint32_t Fetch32(const char *p) { + uint32_t result; + memcpy(&result, p, sizeof(result)); + return uint32_in_expected_order(result); +} + +STATIC_INLINE uint32_t Bswap32(uint32_t val) { return bswap_32(val); } +STATIC_INLINE uint64_t Bswap64(uint64_t val) { return bswap_64(val); } + +// FARMHASH PORTABILITY LAYER: bitwise rot + +STATIC_INLINE uint32_t BasicRotate32(uint32_t val, int shift) { + // Avoid shifting by 32: doing so yields an undefined result. + return shift == 0 ? val : ((val >> shift) | (val << (32 - shift))); +} + +STATIC_INLINE uint64_t BasicRotate64(uint64_t val, int shift) { + // Avoid shifting by 64: doing so yields an undefined result. + return shift == 0 ? val : ((val >> shift) | (val << (64 - shift))); +} + +#if defined(_MSC_VER) && defined(FARMHASH_ROTR) + +STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { + return sizeof(unsigned long) == sizeof(val) ? + _lrotr(val, shift) : + BasicRotate32(val, shift); +} + +STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { + return sizeof(unsigned long) == sizeof(val) ? + _lrotr(val, shift) : + BasicRotate64(val, shift); +} + +#else + +STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { + return BasicRotate32(val, shift); +} +STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { + return BasicRotate64(val, shift); +} + +#endif + +} // namespace NAMESPACE_FOR_HASH_FUNCTIONS + +// FARMHASH PORTABILITY LAYER: debug mode or max speed? +// One may use -DFARMHASH_DEBUG=1 or -DFARMHASH_DEBUG=0 to force the issue. + +#if !defined(FARMHASH_DEBUG) && (!defined(NDEBUG) || defined(_DEBUG)) +#define FARMHASH_DEBUG 1 +#endif + +#undef debug_mode +#if FARMHASH_DEBUG +#define debug_mode 1 +#else +#define debug_mode 0 +#endif + +// PLATFORM-SPECIFIC FUNCTIONS AND MACROS + +#undef x86_64 +#if defined (__x86_64) || defined (__x86_64__) +#define x86_64 1 +#else +#define x86_64 0 +#endif + +#undef x86 +#if defined(__i386__) || defined(__i386) || defined(__X86__) +#define x86 1 +#else +#define x86 x86_64 +#endif + +#if !defined(is_64bit) +#define is_64bit (x86_64 || (sizeof(void*) == 8)) +#endif + +#undef can_use_ssse3 +#if defined(__SSSE3__) || defined(FARMHASH_ASSUME_SSSE3) + +#include <immintrin.h> +#define can_use_ssse3 1 +// Now we can use _mm_hsub_epi16 and so on. + +#else +#define can_use_ssse3 0 +#endif + +#undef can_use_sse41 +#if defined(__SSE4_1__) || defined(FARMHASH_ASSUME_SSE41) + +#include <immintrin.h> +#define can_use_sse41 1 +// Now we can use _mm_insert_epi64 and so on. + +#else +#define can_use_sse41 0 +#endif + +#undef can_use_sse42 +#if defined(__SSE4_2__) || defined(FARMHASH_ASSUME_SSE42) + +#include <nmmintrin.h> +#define can_use_sse42 1 +// Now we can use _mm_crc32_u{32,16,8}. And on 64-bit platforms, _mm_crc32_u64. + +#else +#define can_use_sse42 0 +#endif + +#undef can_use_aesni +#if defined(__AES__) || defined(FARMHASH_ASSUME_AESNI) + +#include <wmmintrin.h> +#define can_use_aesni 1 +// Now we can use _mm_aesimc_si128 and so on. + +#else +#define can_use_aesni 0 +#endif + +#undef can_use_avx +#if defined(__AVX__) || defined(FARMHASH_ASSUME_AVX) + +#include <immintrin.h> +#define can_use_avx 1 + +#else +#define can_use_avx 0 +#endif + +#if can_use_ssse3 || can_use_sse41 || can_use_sse42 || can_use_aesni || can_use_avx +STATIC_INLINE __m128i Fetch128(const char* s) { + return _mm_loadu_si128(reinterpret_cast<const __m128i*>(s)); +} +#endif +// Building blocks for hash functions + +// std::swap() was in <algorithm> but is in <utility> from C++11 on. +#if !FARMHASH_CAN_USE_CXX11 +#include <algorithm> +#endif + +#undef PERMUTE3 +#define PERMUTE3(a, b, c) do { std::swap(a, b); std::swap(a, c); } while (0) + +namespace NAMESPACE_FOR_HASH_FUNCTIONS { + +// Some primes between 2^63 and 2^64 for various uses. +static const uint64_t k0 = 0xc3a5c85c97cb3127ULL; +static const uint64_t k1 = 0xb492b66fbe98f273ULL; +static const uint64_t k2 = 0x9ae16a3b2f90404fULL; + +// Magic numbers for 32-bit hashing. Copied from Murmur3. +static const uint32_t c1 = 0xcc9e2d51; +static const uint32_t c2 = 0x1b873593; + +// A 32-bit to 32-bit integer hash copied from Murmur3. +STATIC_INLINE uint32_t fmix(uint32_t h) +{ + h ^= h >> 16; + h *= 0x85ebca6b; + h ^= h >> 13; + h *= 0xc2b2ae35; + h ^= h >> 16; + return h; +} + +STATIC_INLINE uint32_t Mur(uint32_t a, uint32_t h) { + // Helper from Murmur3 for combining two 32-bit values. + a *= c1; + a = Rotate32(a, 17); + a *= c2; + h ^= a; + h = Rotate32(h, 19); + return h * 5 + 0xe6546b64; +} + +template <typename T> STATIC_INLINE T DebugTweak(T x) { + if (debug_mode) { + if (sizeof(x) == 4) { + x = ~Bswap32(x * c1); + } else { + x = ~Bswap64(x * k1); + } + } + return x; +} + +template <> uint128_t DebugTweak(uint128_t x) { + if (debug_mode) { + uint64_t y = DebugTweak(Uint128Low64(x)); + uint64_t z = DebugTweak(Uint128High64(x)); + y += z; + z += y; + x = Uint128(y, z * k1); + } + return x; +} + +} // namespace NAMESPACE_FOR_HASH_FUNCTIONS + +using namespace std; +using namespace NAMESPACE_FOR_HASH_FUNCTIONS; diff --git a/contrib/libs/farmhash/farmhash.cc b/contrib/libs/farmhash/farmhash.cc index 27b344fc65..7e3d393034 100644 --- a/contrib/libs/farmhash/farmhash.cc +++ b/contrib/libs/farmhash/farmhash.cc @@ -1,11835 +1,11835 @@ -// Copyright (c) 2014 Google, Inc. -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. -// -// FarmHash, by Geoff Pike - +// Copyright (c) 2014 Google, Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// +// FarmHash, by Geoff Pike + #include <util/system/compiler.h> -#include "farmhash.h" -// FARMHASH ASSUMPTIONS: Modify as needed, or use -DFARMHASH_ASSUME_SSE42 etc. -// Note that if you use -DFARMHASH_ASSUME_SSE42 you likely need -msse42 -// (or its equivalent for your compiler); if you use -DFARMHASH_ASSUME_AESNI -// you likely need -maes (or its equivalent for your compiler). - -#ifdef FARMHASH_ASSUME_SSSE3 -#undef FARMHASH_ASSUME_SSSE3 -#define FARMHASH_ASSUME_SSSE3 1 -#endif - -#ifdef FARMHASH_ASSUME_SSE41 -#undef FARMHASH_ASSUME_SSE41 -#define FARMHASH_ASSUME_SSE41 1 -#endif - -#ifdef FARMHASH_ASSUME_SSE42 -#undef FARMHASH_ASSUME_SSE42 -#define FARMHASH_ASSUME_SSE42 1 -#endif - -#ifdef FARMHASH_ASSUME_AESNI -#undef FARMHASH_ASSUME_AESNI -#define FARMHASH_ASSUME_AESNI 1 -#endif - -#ifdef FARMHASH_ASSUME_AVX -#undef FARMHASH_ASSUME_AVX -#define FARMHASH_ASSUME_AVX 1 -#endif - -#if !defined(FARMHASH_CAN_USE_CXX11) && defined(LANG_CXX11) -#define FARMHASH_CAN_USE_CXX11 1 -#else -#undef FARMHASH_CAN_USE_CXX11 -#define FARMHASH_CAN_USE_CXX11 0 -#endif - -// FARMHASH PORTABILITY LAYER: Runtime error if misconfigured - -#ifndef FARMHASH_DIE_IF_MISCONFIGURED -#define FARMHASH_DIE_IF_MISCONFIGURED do { *(char*)(len % 17) = 0; } while (0) -#endif - -// FARMHASH PORTABILITY LAYER: "static inline" or similar - -#ifndef STATIC_INLINE -#define STATIC_INLINE static inline -#endif - -// FARMHASH PORTABILITY LAYER: LIKELY and UNLIKELY - -#if !defined(LIKELY) -#if defined(FARMHASH_NO_BUILTIN_EXPECT) || (defined(FARMHASH_OPTIONAL_BUILTIN_EXPECT) && !defined(HAVE_BUILTIN_EXPECT)) -#define LIKELY(x) (x) -#else -#define LIKELY(x) (__builtin_expect(!!(x), 1)) -#endif -#endif - -#undef UNLIKELY -#define UNLIKELY(x) !LIKELY(!(x)) - -// FARMHASH PORTABILITY LAYER: endianness and byteswapping functions - -#ifdef WORDS_BIGENDIAN -#undef FARMHASH_BIG_ENDIAN -#define FARMHASH_BIG_ENDIAN 1 -#endif - -#if defined(FARMHASH_LITTLE_ENDIAN) && defined(FARMHASH_BIG_ENDIAN) -#error -#endif - -#if !defined(FARMHASH_LITTLE_ENDIAN) && !defined(FARMHASH_BIG_ENDIAN) -#define FARMHASH_UNKNOWN_ENDIAN 1 -#endif - -#if !defined(bswap_32) || !defined(bswap_64) -#undef bswap_32 -#undef bswap_64 - -#if defined(HAVE_BUILTIN_BSWAP) || defined(__clang__) || \ - (defined(__GNUC__) && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 8) || \ - __GNUC__ >= 5)) -// Easy case for bswap: no header file needed. -#define bswap_32(x) __builtin_bswap32(x) -#define bswap_64(x) __builtin_bswap64(x) -#endif - -#endif - -#if defined(FARMHASH_UNKNOWN_ENDIAN) || !defined(bswap_64) - -#ifdef _MSC_VER - -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) _byteswap_ulong(x) -#define bswap_64(x) _byteswap_uint64(x) - -#elif defined(__APPLE__) - -// Mac OS X / Darwin features -#include <libkern/OSByteOrder.h> -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) OSSwapInt32(x) -#define bswap_64(x) OSSwapInt64(x) - -#elif defined(__sun) || defined(sun) - -#include <sys/byteorder.h> -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) BSWAP_32(x) -#define bswap_64(x) BSWAP_64(x) - -#elif defined(__FreeBSD__) || defined(__DragonFly__) - -#include <sys/endian.h> -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) bswap32(x) -#define bswap_64(x) bswap64(x) - -#elif defined(__OpenBSD__) - -#include <sys/types.h> -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) swap32(x) -#define bswap_64(x) swap64(x) - -#elif defined(__NetBSD__) - -#include <sys/types.h> -#include <machine/bswap.h> -#if defined(__BSWAP_RENAME) && !defined(__bswap_32) -#undef bswap_32 -#undef bswap_64 -#define bswap_32(x) bswap32(x) -#define bswap_64(x) bswap64(x) -#endif - -#else - -#undef bswap_32 -#undef bswap_64 -#include <byteswap.h> - -#endif - -#ifdef WORDS_BIGENDIAN -#define FARMHASH_BIG_ENDIAN 1 -#endif - -#endif - -#ifdef FARMHASH_BIG_ENDIAN -#define uint32_in_expected_order(x) (bswap_32(x)) -#define uint64_in_expected_order(x) (bswap_64(x)) -#else -#define uint32_in_expected_order(x) (x) -#define uint64_in_expected_order(x) (x) -#endif - -namespace NAMESPACE_FOR_HASH_FUNCTIONS { - -STATIC_INLINE uint64_t Fetch64(const char *p) { - uint64_t result; - memcpy(&result, p, sizeof(result)); - return uint64_in_expected_order(result); -} - -STATIC_INLINE uint32_t Fetch32(const char *p) { - uint32_t result; - memcpy(&result, p, sizeof(result)); - return uint32_in_expected_order(result); -} - -STATIC_INLINE uint32_t Bswap32(uint32_t val) { return bswap_32(val); } -STATIC_INLINE uint64_t Bswap64(uint64_t val) { return bswap_64(val); } - -// FARMHASH PORTABILITY LAYER: bitwise rot - -STATIC_INLINE uint32_t BasicRotate32(uint32_t val, int shift) { - // Avoid shifting by 32: doing so yields an undefined result. - return shift == 0 ? val : ((val >> shift) | (val << (32 - shift))); -} - -STATIC_INLINE uint64_t BasicRotate64(uint64_t val, int shift) { - // Avoid shifting by 64: doing so yields an undefined result. - return shift == 0 ? val : ((val >> shift) | (val << (64 - shift))); -} - -#if defined(_MSC_VER) && defined(FARMHASH_ROTR) - -STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { - return sizeof(unsigned long) == sizeof(val) ? - _lrotr(val, shift) : - BasicRotate32(val, shift); -} - -STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { - return sizeof(unsigned long) == sizeof(val) ? - _lrotr(val, shift) : - BasicRotate64(val, shift); -} - -#else - -STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { - return BasicRotate32(val, shift); -} -STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { - return BasicRotate64(val, shift); -} - -#endif - -} // namespace NAMESPACE_FOR_HASH_FUNCTIONS - -// FARMHASH PORTABILITY LAYER: debug mode or max speed? -// One may use -DFARMHASH_DEBUG=1 or -DFARMHASH_DEBUG=0 to force the issue. - -#if !defined(FARMHASH_DEBUG) && (!defined(NDEBUG) || defined(_DEBUG)) -#define FARMHASH_DEBUG 1 -#endif - -#undef debug_mode -#if FARMHASH_DEBUG -#define debug_mode 1 -#else -#define debug_mode 0 -#endif - -// PLATFORM-SPECIFIC FUNCTIONS AND MACROS - -#undef x86_64 -#if defined (__x86_64) || defined (__x86_64__) -#define x86_64 1 -#else -#define x86_64 0 -#endif - -#undef x86 -#if defined(__i386__) || defined(__i386) || defined(__X86__) -#define x86 1 -#else -#define x86 x86_64 -#endif - -#if !defined(is_64bit) -#define is_64bit (x86_64 || (sizeof(void*) == 8)) -#endif - -#undef can_use_ssse3 -#if defined(__SSSE3__) || defined(FARMHASH_ASSUME_SSSE3) - -#include <immintrin.h> -#define can_use_ssse3 1 -// Now we can use _mm_hsub_epi16 and so on. - -#else -#define can_use_ssse3 0 -#endif - -#undef can_use_sse41 -#if defined(__SSE4_1__) || defined(FARMHASH_ASSUME_SSE41) - -#include <immintrin.h> -#define can_use_sse41 1 -// Now we can use _mm_insert_epi64 and so on. - -#else -#define can_use_sse41 0 -#endif - -#undef can_use_sse42 -#if defined(__SSE4_2__) || defined(FARMHASH_ASSUME_SSE42) - -#include <nmmintrin.h> -#define can_use_sse42 1 -// Now we can use _mm_crc32_u{32,16,8}. And on 64-bit platforms, _mm_crc32_u64. - -#else -#define can_use_sse42 0 -#endif - -#undef can_use_aesni -#if defined(__AES__) || defined(FARMHASH_ASSUME_AESNI) - -#include <wmmintrin.h> -#define can_use_aesni 1 -// Now we can use _mm_aesimc_si128 and so on. - -#else -#define can_use_aesni 0 -#endif - -#undef can_use_avx -#if defined(__AVX__) || defined(FARMHASH_ASSUME_AVX) - -#include <immintrin.h> -#define can_use_avx 1 - -#else -#define can_use_avx 0 -#endif - -#if can_use_ssse3 || can_use_sse41 || can_use_sse42 || can_use_aesni || can_use_avx -STATIC_INLINE __m128i Fetch128(const char* s) { - return _mm_loadu_si128(reinterpret_cast<const __m128i*>(s)); -} -#endif -// Building blocks for hash functions - -// std::swap() was in <algorithm> but is in <utility> from C++11 on. -#if !FARMHASH_CAN_USE_CXX11 -#include <algorithm> -#endif - -#undef PERMUTE3 -#define PERMUTE3(a, b, c) do { std::swap(a, b); std::swap(a, c); } while (0) - -namespace NAMESPACE_FOR_HASH_FUNCTIONS { - -// Some primes between 2^63 and 2^64 for various uses. -static const uint64_t k0 = 0xc3a5c85c97cb3127ULL; -static const uint64_t k1 = 0xb492b66fbe98f273ULL; -static const uint64_t k2 = 0x9ae16a3b2f90404fULL; - -// Magic numbers for 32-bit hashing. Copied from Murmur3. -static const uint32_t c1 = 0xcc9e2d51; -static const uint32_t c2 = 0x1b873593; - -// A 32-bit to 32-bit integer hash copied from Murmur3. -STATIC_INLINE uint32_t fmix(uint32_t h) -{ - h ^= h >> 16; - h *= 0x85ebca6b; - h ^= h >> 13; - h *= 0xc2b2ae35; - h ^= h >> 16; - return h; -} - -STATIC_INLINE uint32_t Mur(uint32_t a, uint32_t h) { - // Helper from Murmur3 for combining two 32-bit values. - a *= c1; - a = Rotate32(a, 17); - a *= c2; - h ^= a; - h = Rotate32(h, 19); - return h * 5 + 0xe6546b64; -} - -template <typename T> STATIC_INLINE T DebugTweak(T x) { - if (debug_mode) { - if (sizeof(x) == 4) { - x = ~Bswap32(x * c1); - } else { - x = ~Bswap64(x * k1); - } - } - return x; -} - -template <> uint128_t DebugTweak(uint128_t x) { - if (debug_mode) { - uint64_t y = DebugTweak(Uint128Low64(x)); - uint64_t z = DebugTweak(Uint128High64(x)); - y += z; - z += y; - x = Uint128(y, z * k1); - } - return x; -} - -} // namespace NAMESPACE_FOR_HASH_FUNCTIONS - -using namespace std; -using namespace NAMESPACE_FOR_HASH_FUNCTIONS; -namespace farmhashna { -#undef Fetch -#define Fetch Fetch64 - -#undef Rotate -#define Rotate Rotate64 - -#undef Bswap -#define Bswap Bswap64 - -STATIC_INLINE uint64_t ShiftMix(uint64_t val) { - return val ^ (val >> 47); -} - -STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { - return Hash128to64(Uint128(u, v)); -} - -STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { - // Murmur-inspired hashing. - uint64_t a = (u ^ v) * mul; - a ^= (a >> 47); - uint64_t b = (v ^ a) * mul; - b ^= (b >> 47); - b *= mul; - return b; -} - -STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { - if (len >= 8) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch(s) + k2; - uint64_t b = Fetch(s + len - 8); - uint64_t c = Rotate(b, 37) * mul + a; - uint64_t d = (Rotate(a, 25) + b) * mul; - return HashLen16(c, d, mul); - } - if (len >= 4) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch32(s); - return HashLen16(len + (a << 3), Fetch32(s + len - 4), mul); - } - if (len > 0) { - uint8_t a = s[0]; - uint8_t b = s[len >> 1]; - uint8_t c = s[len - 1]; - uint32_t y = static_cast<uint32_t>(a) + (static_cast<uint32_t>(b) << 8); - uint32_t z = len + (static_cast<uint32_t>(c) << 2); - return ShiftMix(y * k2 ^ z * k0) * k2; - } - return k2; -} - -// This probably works well for 16-byte strings as well, but it may be overkill -// in that case. -STATIC_INLINE uint64_t HashLen17to32(const char *s, size_t len) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch(s) * k1; - uint64_t b = Fetch(s + 8); - uint64_t c = Fetch(s + len - 8) * mul; - uint64_t d = Fetch(s + len - 16) * k2; - return HashLen16(Rotate(a + b, 43) + Rotate(c, 30) + d, - a + Rotate(b + k2, 18) + c, mul); -} - -// Return a 16-byte hash for 48 bytes. Quick and dirty. -// Callers do best to use "random-looking" values for a and b. -STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( - uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { - a += w; - b = Rotate(b + a + z, 21); - uint64_t c = a; - a += x; - a += y; - b += Rotate(a, 44); - return make_pair(a + z, b + c); -} - -// Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. -STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( - const char* s, uint64_t a, uint64_t b) { - return WeakHashLen32WithSeeds(Fetch(s), - Fetch(s + 8), - Fetch(s + 16), - Fetch(s + 24), - a, - b); -} - -// Return an 8-byte hash for 33 to 64 bytes. -STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch(s) * k2; - uint64_t b = Fetch(s + 8); - uint64_t c = Fetch(s + len - 8) * mul; - uint64_t d = Fetch(s + len - 16) * k2; - uint64_t y = Rotate(a + b, 43) + Rotate(c, 30) + d; - uint64_t z = HashLen16(y, a + Rotate(b + k2, 18) + c, mul); - uint64_t e = Fetch(s + 16) * mul; - uint64_t f = Fetch(s + 24); - uint64_t g = (y + Fetch(s + len - 32)) * mul; - uint64_t h = (z + Fetch(s + len - 24)) * mul; - return HashLen16(Rotate(e + f, 43) + Rotate(g, 30) + h, - e + Rotate(f + a, 18) + g, mul); -} - -uint64_t Hash64(const char *s, size_t len) { - const uint64_t seed = 81; - if (len <= 32) { - if (len <= 16) { - return HashLen0to16(s, len); - } else { - return HashLen17to32(s, len); - } - } else if (len <= 64) { - return HashLen33to64(s, len); - } - - // For strings over 64 bytes we loop. Internal state consists of - // 56 bytes: v, w, x, y, and z. - uint64_t x = seed; - uint64_t y = seed * k1 + 113; - uint64_t z = ShiftMix(y * k2 + 113) * k2; - pair<uint64_t, uint64_t> v = make_pair(0, 0); - pair<uint64_t, uint64_t> w = make_pair(0, 0); - x = x * k2 + Fetch(s); - - // Set end so that after the loop we have 1 to 64 bytes left to process. - const char* end = s + ((len - 1) / 64) * 64; - const char* last64 = end + ((len - 1) & 63) - 63; - assert(s + len - 64 == last64); - do { - x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; - y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; - x ^= w.second; - y += v.first + Fetch(s + 40); - z = Rotate(z + w.first, 33) * k1; - v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); - w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); - std::swap(z, x); - s += 64; - } while (s != end); - uint64_t mul = k1 + ((z & 0xff) << 1); - // Make s point to the last 64 bytes of input. - s = last64; - w.first += ((len - 1) & 63); - v.first += w.first; - w.first += v.first; - x = Rotate(x + y + v.first + Fetch(s + 8), 37) * mul; - y = Rotate(y + v.second + Fetch(s + 48), 42) * mul; - x ^= w.second * 9; - y += v.first * 9 + Fetch(s + 40); - z = Rotate(z + w.first, 33) * mul; - v = WeakHashLen32WithSeeds(s, v.second * mul, x + w.first); - w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); - std::swap(z, x); - return HashLen16(HashLen16(v.first, w.first, mul) + ShiftMix(y) * k0 + z, - HashLen16(v.second, w.second, mul) + x, - mul); -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1); - -uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { - return Hash64WithSeeds(s, len, k2, seed); -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { - return HashLen16(Hash64(s, len) - seed0, seed1); -} -} // namespace farmhashna -namespace farmhashuo { -#undef Fetch -#define Fetch Fetch64 - -#undef Rotate -#define Rotate Rotate64 - -STATIC_INLINE uint64_t H(uint64_t x, uint64_t y, uint64_t mul, int r) { - uint64_t a = (x ^ y) * mul; - a ^= (a >> 47); - uint64_t b = (y ^ a) * mul; - return Rotate(b, r) * mul; -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, - uint64_t seed0, uint64_t seed1) { - if (len <= 64) { - return farmhashna::Hash64WithSeeds(s, len, seed0, seed1); - } - - // For strings over 64 bytes we loop. Internal state consists of - // 64 bytes: u, v, w, x, y, and z. - uint64_t x = seed0; - uint64_t y = seed1 * k2 + 113; - uint64_t z = farmhashna::ShiftMix(y * k2) * k2; - pair<uint64_t, uint64_t> v = make_pair(seed0, seed1); - pair<uint64_t, uint64_t> w = make_pair(0, 0); - uint64_t u = x - z; - x *= k2; - uint64_t mul = k2 + (u & 0x82); - - // Set end so that after the loop we have 1 to 64 bytes left to process. - const char* end = s + ((len - 1) / 64) * 64; - const char* last64 = end + ((len - 1) & 63) - 63; - assert(s + len - 64 == last64); - do { - uint64_t a0 = Fetch(s); - uint64_t a1 = Fetch(s + 8); - uint64_t a2 = Fetch(s + 16); - uint64_t a3 = Fetch(s + 24); - uint64_t a4 = Fetch(s + 32); - uint64_t a5 = Fetch(s + 40); - uint64_t a6 = Fetch(s + 48); - uint64_t a7 = Fetch(s + 56); - x += a0 + a1; - y += a2; - z += a3; - v.first += a4; - v.second += a5 + a1; - w.first += a6; - w.second += a7; - - x = Rotate(x, 26); - x *= 9; - y = Rotate(y, 29); - z *= mul; - v.first = Rotate(v.first, 33); - v.second = Rotate(v.second, 30); - w.first ^= x; - w.first *= 9; - z = Rotate(z, 32); - z += w.second; - w.second += z; - z *= 9; - std::swap(u, y); - - z += a0 + a6; - v.first += a2; - v.second += a3; - w.first += a4; - w.second += a5 + a6; - x += a1; - y += a7; - - y += v.first; - v.first += x - y; - v.second += w.first; - w.first += v.second; - w.second += x - y; - x += w.second; - w.second = Rotate(w.second, 34); - std::swap(u, z); - s += 64; - } while (s != end); - // Make s point to the last 64 bytes of input. - s = last64; - u *= 9; - v.second = Rotate(v.second, 28); - v.first = Rotate(v.first, 20); - w.first += ((len - 1) & 63); - u += y; - y += u; - x = Rotate(y - x + v.first + Fetch(s + 8), 37) * mul; - y = Rotate(y ^ v.second ^ Fetch(s + 48), 42) * mul; - x ^= w.second * 9; - y += v.first + Fetch(s + 40); - z = Rotate(z + w.first, 33) * mul; - v = farmhashna::WeakHashLen32WithSeeds(s, v.second * mul, x + w.first); - w = farmhashna::WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); - return H(farmhashna::HashLen16(v.first + x, w.first ^ y, mul) + z - u, - H(v.second + y, w.second + z, k2, 30) ^ x, - k2, - 31); -} - -uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { - return len <= 64 ? farmhashna::Hash64WithSeed(s, len, seed) : - Hash64WithSeeds(s, len, 0, seed); -} - -uint64_t Hash64(const char *s, size_t len) { - return len <= 64 ? farmhashna::Hash64(s, len) : - Hash64WithSeeds(s, len, 81, 0); -} -} // namespace farmhashuo -namespace farmhashxo { -#undef Fetch -#define Fetch Fetch64 - -#undef Rotate -#define Rotate Rotate64 - -STATIC_INLINE uint64_t H32(const char *s, size_t len, uint64_t mul, - uint64_t seed0 = 0, uint64_t seed1 = 0) { - uint64_t a = Fetch(s) * k1; - uint64_t b = Fetch(s + 8); - uint64_t c = Fetch(s + len - 8) * mul; - uint64_t d = Fetch(s + len - 16) * k2; - uint64_t u = Rotate(a + b, 43) + Rotate(c, 30) + d + seed0; - uint64_t v = a + Rotate(b + k2, 18) + c + seed1; - a = farmhashna::ShiftMix((u ^ v) * mul); - b = farmhashna::ShiftMix((v ^ a) * mul); - return b; -} - -// Return an 8-byte hash for 33 to 64 bytes. -STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { - uint64_t mul0 = k2 - 30; - uint64_t mul1 = k2 - 30 + 2 * len; - uint64_t h0 = H32(s, 32, mul0); - uint64_t h1 = H32(s + len - 32, 32, mul1); - return ((h1 * mul1) + h0) * mul1; -} - -// Return an 8-byte hash for 65 to 96 bytes. -STATIC_INLINE uint64_t HashLen65to96(const char *s, size_t len) { - uint64_t mul0 = k2 - 114; - uint64_t mul1 = k2 - 114 + 2 * len; - uint64_t h0 = H32(s, 32, mul0); - uint64_t h1 = H32(s + 32, 32, mul1); - uint64_t h2 = H32(s + len - 32, 32, mul1, h0, h1); - return (h2 * 9 + (h0 >> 17) + (h1 >> 21)) * mul1; -} - -uint64_t Hash64(const char *s, size_t len) { - if (len <= 32) { - if (len <= 16) { - return farmhashna::HashLen0to16(s, len); - } else { - return farmhashna::HashLen17to32(s, len); - } - } else if (len <= 64) { - return HashLen33to64(s, len); - } else if (len <= 96) { - return HashLen65to96(s, len); - } else if (len <= 256) { - return farmhashna::Hash64(s, len); - } else { - return farmhashuo::Hash64(s, len); - } -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { - return farmhashuo::Hash64WithSeeds(s, len, seed0, seed1); -} - -uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { - return farmhashuo::Hash64WithSeed(s, len, seed); -} -} // namespace farmhashxo -namespace farmhashte { -#if !can_use_sse41 || !x86_64 - -uint64_t Hash64(const char *s, size_t len) { - FARMHASH_DIE_IF_MISCONFIGURED; - return s == NULL ? 0 : len; -} - -uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { - FARMHASH_DIE_IF_MISCONFIGURED; - return seed + Hash64(s, len); -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, - uint64_t seed0, uint64_t seed1) { - FARMHASH_DIE_IF_MISCONFIGURED; - return seed0 + seed1 + Hash64(s, len); -} - -#else - -#undef Fetch -#define Fetch Fetch64 - -#undef Rotate -#define Rotate Rotate64 - -#undef Bswap -#define Bswap Bswap64 - -// Helpers for data-parallel operations (1x 128 bits or 2x 64 or 4x 32). -STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi64(x, y); } -STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } -STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } -STATIC_INLINE __m128i Shuf(__m128i x, __m128i y) { return _mm_shuffle_epi8(y, x); } - -// Requires n >= 256. Requires SSE4.1. Should be slightly faster if the -// compiler uses AVX instructions (e.g., use the -mavx flag with GCC). -STATIC_INLINE uint64_t Hash64Long(const char* s, size_t n, - uint64_t seed0, uint64_t seed1) { - const __m128i kShuf = - _mm_set_epi8(4, 11, 10, 5, 8, 15, 6, 9, 12, 2, 14, 13, 0, 7, 3, 1); - const __m128i kMult = - _mm_set_epi8(0xbd, 0xd6, 0x33, 0x39, 0x45, 0x54, 0xfa, 0x03, - 0x34, 0x3e, 0x33, 0xed, 0xcc, 0x9e, 0x2d, 0x51); - uint64_t seed2 = (seed0 + 113) * (seed1 + 9); - uint64_t seed3 = (Rotate(seed0, 23) + 27) * (Rotate(seed1, 30) + 111); - __m128i d0 = _mm_cvtsi64_si128(seed0); - __m128i d1 = _mm_cvtsi64_si128(seed1); - __m128i d2 = Shuf(kShuf, d0); - __m128i d3 = Shuf(kShuf, d1); - __m128i d4 = Xor(d0, d1); - __m128i d5 = Xor(d1, d2); - __m128i d6 = Xor(d2, d4); - __m128i d7 = _mm_set1_epi32(seed2 >> 32); - __m128i d8 = Mul(kMult, d2); - __m128i d9 = _mm_set1_epi32(seed3 >> 32); - __m128i d10 = _mm_set1_epi32(seed3); - __m128i d11 = Add(d2, _mm_set1_epi32(seed2)); - const char* end = s + (n & ~static_cast<size_t>(255)); - do { - __m128i z; - z = Fetch128(s); - d0 = Add(d0, z); - d1 = Shuf(kShuf, d1); - d2 = Xor(d2, d0); - d4 = Xor(d4, z); - d4 = Xor(d4, d1); - std::swap(d0, d6); - z = Fetch128(s + 16); - d5 = Add(d5, z); - d6 = Shuf(kShuf, d6); - d8 = Shuf(kShuf, d8); - d7 = Xor(d7, d5); - d0 = Xor(d0, z); - d0 = Xor(d0, d6); - std::swap(d5, d11); - z = Fetch128(s + 32); - d1 = Add(d1, z); - d2 = Shuf(kShuf, d2); - d4 = Shuf(kShuf, d4); - d5 = Xor(d5, z); - d5 = Xor(d5, d2); - std::swap(d10, d4); - z = Fetch128(s + 48); - d6 = Add(d6, z); - d7 = Shuf(kShuf, d7); - d0 = Shuf(kShuf, d0); - d8 = Xor(d8, d6); - d1 = Xor(d1, z); - d1 = Add(d1, d7); - z = Fetch128(s + 64); - d2 = Add(d2, z); - d5 = Shuf(kShuf, d5); - d4 = Add(d4, d2); - d6 = Xor(d6, z); - d6 = Xor(d6, d11); - std::swap(d8, d2); - z = Fetch128(s + 80); - d7 = Xor(d7, z); - d8 = Shuf(kShuf, d8); - d1 = Shuf(kShuf, d1); - d0 = Add(d0, d7); - d2 = Add(d2, z); - d2 = Add(d2, d8); - std::swap(d1, d7); - z = Fetch128(s + 96); - d4 = Shuf(kShuf, d4); - d6 = Shuf(kShuf, d6); - d8 = Mul(kMult, d8); - d5 = Xor(d5, d11); - d7 = Xor(d7, z); - d7 = Add(d7, d4); - std::swap(d6, d0); - z = Fetch128(s + 112); - d8 = Add(d8, z); - d0 = Shuf(kShuf, d0); - d2 = Shuf(kShuf, d2); - d1 = Xor(d1, d8); - d10 = Xor(d10, z); - d10 = Xor(d10, d0); - std::swap(d11, d5); - z = Fetch128(s + 128); - d4 = Add(d4, z); - d5 = Shuf(kShuf, d5); - d7 = Shuf(kShuf, d7); - d6 = Add(d6, d4); - d8 = Xor(d8, z); - d8 = Xor(d8, d5); - std::swap(d4, d10); - z = Fetch128(s + 144); - d0 = Add(d0, z); - d1 = Shuf(kShuf, d1); - d2 = Add(d2, d0); - d4 = Xor(d4, z); - d4 = Xor(d4, d1); - z = Fetch128(s + 160); - d5 = Add(d5, z); - d6 = Shuf(kShuf, d6); - d8 = Shuf(kShuf, d8); - d7 = Xor(d7, d5); - d0 = Xor(d0, z); - d0 = Xor(d0, d6); - std::swap(d2, d8); - z = Fetch128(s + 176); - d1 = Add(d1, z); - d2 = Shuf(kShuf, d2); - d4 = Shuf(kShuf, d4); - d5 = Mul(kMult, d5); - d5 = Xor(d5, z); - d5 = Xor(d5, d2); - std::swap(d7, d1); - z = Fetch128(s + 192); - d6 = Add(d6, z); - d7 = Shuf(kShuf, d7); - d0 = Shuf(kShuf, d0); - d8 = Add(d8, d6); - d1 = Xor(d1, z); - d1 = Xor(d1, d7); - std::swap(d0, d6); - z = Fetch128(s + 208); - d2 = Add(d2, z); - d5 = Shuf(kShuf, d5); - d4 = Xor(d4, d2); - d6 = Xor(d6, z); - d6 = Xor(d6, d9); - std::swap(d5, d11); - z = Fetch128(s + 224); - d7 = Add(d7, z); - d8 = Shuf(kShuf, d8); - d1 = Shuf(kShuf, d1); - d0 = Xor(d0, d7); - d2 = Xor(d2, z); - d2 = Xor(d2, d8); - std::swap(d10, d4); - z = Fetch128(s + 240); - d3 = Add(d3, z); - d4 = Shuf(kShuf, d4); - d6 = Shuf(kShuf, d6); - d7 = Mul(kMult, d7); - d5 = Add(d5, d3); - d7 = Xor(d7, z); - d7 = Xor(d7, d4); - std::swap(d3, d9); - s += 256; - } while (s != end); - d6 = Add(Mul(kMult, d6), _mm_cvtsi64_si128(n)); - if (n % 256 != 0) { - d7 = Add(_mm_shuffle_epi32(d8, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)), d7); - d8 = Add(Mul(kMult, d8), _mm_cvtsi64_si128(farmhashxo::Hash64(s, n % 256))); - } - __m128i t[8]; - d0 = Mul(kMult, Shuf(kShuf, Mul(kMult, d0))); - d3 = Mul(kMult, Shuf(kShuf, Mul(kMult, d3))); - d9 = Mul(kMult, Shuf(kShuf, Mul(kMult, d9))); - d1 = Mul(kMult, Shuf(kShuf, Mul(kMult, d1))); - d0 = Add(d11, d0); - d3 = Xor(d7, d3); - d9 = Add(d8, d9); - d1 = Add(d10, d1); - d4 = Add(d3, d4); - d5 = Add(d9, d5); - d6 = Xor(d1, d6); - d2 = Add(d0, d2); - t[0] = d0; - t[1] = d3; - t[2] = d9; - t[3] = d1; - t[4] = d4; - t[5] = d5; - t[6] = d6; - t[7] = d2; - return farmhashxo::Hash64(reinterpret_cast<const char*>(t), sizeof(t)); -} - -uint64_t Hash64(const char *s, size_t len) { - // Empirically, farmhashxo seems faster until length 512. - return len >= 512 ? Hash64Long(s, len, k2, k1) : farmhashxo::Hash64(s, len); -} - -uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { - return len >= 512 ? Hash64Long(s, len, k1, seed) : - farmhashxo::Hash64WithSeed(s, len, seed); -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { - return len >= 512 ? Hash64Long(s, len, seed0, seed1) : - farmhashxo::Hash64WithSeeds(s, len, seed0, seed1); -} - -#endif -} // namespace farmhashte -namespace farmhashnt { -#if !can_use_sse41 || !x86_64 - -uint32_t Hash32(const char *s, size_t len) { - FARMHASH_DIE_IF_MISCONFIGURED; - return s == NULL ? 0 : len; -} - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - FARMHASH_DIE_IF_MISCONFIGURED; - return seed + Hash32(s, len); -} - -#else - -uint32_t Hash32(const char *s, size_t len) { - return static_cast<uint32_t>(farmhashte::Hash64(s, len)); -} - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - return static_cast<uint32_t>(farmhashte::Hash64WithSeed(s, len, seed)); -} - -#endif -} // namespace farmhashnt -namespace farmhashmk { -#undef Fetch -#define Fetch Fetch32 - -#undef Rotate -#define Rotate Rotate32 - -#undef Bswap -#define Bswap Bswap32 - -STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len, uint32_t seed = 0) { - uint32_t a = Fetch(s - 4 + (len >> 1)); - uint32_t b = Fetch(s + 4); - uint32_t c = Fetch(s + len - 8); - uint32_t d = Fetch(s + (len >> 1)); - uint32_t e = Fetch(s); - uint32_t f = Fetch(s + len - 4); - uint32_t h = d * c1 + len + seed; - a = Rotate(a, 12) + f; - h = Mur(c, h) + a; - a = Rotate(a, 3) + c; - h = Mur(e, h) + a; - a = Rotate(a + f, 12) + d; - h = Mur(b ^ seed, h) + a; - return fmix(h); -} - -STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len, uint32_t seed = 0) { - uint32_t b = seed; - uint32_t c = 9; - for (size_t i = 0; i < len; i++) { - signed char v = s[i]; - b = b * c1 + v; - c ^= b; - } - return fmix(Mur(b, Mur(len, c))); -} - -STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len, uint32_t seed = 0) { - uint32_t a = len, b = len * 5, c = 9, d = b + seed; - a += Fetch(s); - b += Fetch(s + len - 4); - c += Fetch(s + ((len >> 1) & 4)); - return fmix(seed ^ Mur(c, Mur(b, Mur(a, d)))); -} - -uint32_t Hash32(const char *s, size_t len) { - if (len <= 24) { - return len <= 12 ? - (len <= 4 ? Hash32Len0to4(s, len) : Hash32Len5to12(s, len)) : - Hash32Len13to24(s, len); - } - - // len > 24 - uint32_t h = len, g = c1 * len, f = g; - uint32_t a0 = Rotate(Fetch(s + len - 4) * c1, 17) * c2; - uint32_t a1 = Rotate(Fetch(s + len - 8) * c1, 17) * c2; - uint32_t a2 = Rotate(Fetch(s + len - 16) * c1, 17) * c2; - uint32_t a3 = Rotate(Fetch(s + len - 12) * c1, 17) * c2; - uint32_t a4 = Rotate(Fetch(s + len - 20) * c1, 17) * c2; - h ^= a0; - h = Rotate(h, 19); - h = h * 5 + 0xe6546b64; - h ^= a2; - h = Rotate(h, 19); - h = h * 5 + 0xe6546b64; - g ^= a1; - g = Rotate(g, 19); - g = g * 5 + 0xe6546b64; - g ^= a3; - g = Rotate(g, 19); - g = g * 5 + 0xe6546b64; - f += a4; - f = Rotate(f, 19) + 113; - size_t iters = (len - 1) / 20; - do { - uint32_t a = Fetch(s); - uint32_t b = Fetch(s + 4); - uint32_t c = Fetch(s + 8); - uint32_t d = Fetch(s + 12); - uint32_t e = Fetch(s + 16); - h += a; - g += b; - f += c; - h = Mur(d, h) + e; - g = Mur(c, g) + a; - f = Mur(b + e * c1, f) + d; - f += g; - g += f; - s += 20; - } while (--iters != 0); - g = Rotate(g, 11) * c1; - g = Rotate(g, 17) * c1; - f = Rotate(f, 11) * c1; - f = Rotate(f, 17) * c1; - h = Rotate(h + g, 19); - h = h * 5 + 0xe6546b64; - h = Rotate(h, 17) * c1; - h = Rotate(h + f, 19); - h = h * 5 + 0xe6546b64; - h = Rotate(h, 17) * c1; - return h; -} - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - if (len <= 24) { - if (len >= 13) return Hash32Len13to24(s, len, seed * c1); - else if (len >= 5) return Hash32Len5to12(s, len, seed); - else return Hash32Len0to4(s, len, seed); - } - uint32_t h = Hash32Len13to24(s, 24, seed ^ len); - return Mur(Hash32(s + 24, len - 24) + seed, h); -} -} // namespace farmhashmk -namespace farmhashsu { -#if !can_use_sse42 || !can_use_aesni - -uint32_t Hash32(const char *s, size_t len) { - FARMHASH_DIE_IF_MISCONFIGURED; - return s == NULL ? 0 : len; -} - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - FARMHASH_DIE_IF_MISCONFIGURED; - return seed + Hash32(s, len); -} - -#else - -#undef Fetch -#define Fetch Fetch32 - -#undef Rotate -#define Rotate Rotate32 - -#undef Bswap -#define Bswap Bswap32 - -// Helpers for data-parallel operations (4x 32-bits). -STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } -STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } -STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } -STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } -STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } -STATIC_INLINE __m128i RotateLeft(__m128i x, int c) { - return Or(_mm_slli_epi32(x, c), - _mm_srli_epi32(x, 32 - c)); -} -STATIC_INLINE __m128i Rol17(__m128i x) { return RotateLeft(x, 17); } -STATIC_INLINE __m128i Rol19(__m128i x) { return RotateLeft(x, 19); } -STATIC_INLINE __m128i Shuffle0321(__m128i x) { - return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); -} - -uint32_t Hash32(const char *s, size_t len) { - const uint32_t seed = 81; - if (len <= 24) { - return len <= 12 ? - (len <= 4 ? - farmhashmk::Hash32Len0to4(s, len) : - farmhashmk::Hash32Len5to12(s, len)) : - farmhashmk::Hash32Len13to24(s, len); - } - - if (len < 40) { - uint32_t a = len, b = seed * c2, c = a + b; - a += Fetch(s + len - 4); - b += Fetch(s + len - 20); - c += Fetch(s + len - 16); - uint32_t d = a; - a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); - a = Mur(a, Mur(b, _mm_crc32_u32(c, d))); - a += Fetch(s + len - 12); - b += Fetch(s + len - 8); - d += a; - a += d; - b = Mur(b, d) * c2; - a = _mm_crc32_u32(a, b + c); - return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; - } - -#undef Mulc1 -#define Mulc1(x) Mul((x), cc1) - -#undef Mulc2 -#define Mulc2(x) Mul((x), cc2) - -#undef Murk -#define Murk(a, h) \ - Add(k, \ - Mul5( \ - Rol19( \ - Xor( \ - Mulc2( \ - Rol17( \ - Mulc1(a))), \ - (h))))) - - const __m128i cc1 = _mm_set1_epi32(c1); - const __m128i cc2 = _mm_set1_epi32(c2); - __m128i h = _mm_set1_epi32(seed); - __m128i g = _mm_set1_epi32(c1 * seed); - __m128i f = g; - __m128i k = _mm_set1_epi32(0xe6546b64); - __m128i q; - if (len < 80) { - __m128i a = Fetch128(s); - __m128i b = Fetch128(s + 16); - __m128i c = Fetch128(s + (len - 15) / 2); - __m128i d = Fetch128(s + len - 32); - __m128i e = Fetch128(s + len - 16); - h = Add(h, a); - g = Add(g, b); - q = g; - g = Shuffle0321(g); - f = Add(f, c); - __m128i be = Add(b, Mulc1(e)); - h = Add(h, f); - f = Add(f, h); - h = Add(Murk(d, h), e); - k = Xor(k, _mm_shuffle_epi8(g, f)); - g = Add(Xor(c, g), a); - f = Add(Xor(be, f), d); - k = Add(k, be); - k = Add(k, _mm_shuffle_epi8(f, h)); - f = Add(f, g); - g = Add(g, f); - g = Add(_mm_set1_epi32(len), Mulc1(g)); - } else { - // len >= 80 - // The following is loosely modelled after farmhashmk::Hash32. - size_t iters = (len - 1) / 80; - len -= iters * 80; - -#undef Chunk -#define Chunk() do { \ - __m128i a = Fetch128(s); \ - __m128i b = Fetch128(s + 16); \ - __m128i c = Fetch128(s + 32); \ - __m128i d = Fetch128(s + 48); \ - __m128i e = Fetch128(s + 64); \ - h = Add(h, a); \ - g = Add(g, b); \ - g = Shuffle0321(g); \ - f = Add(f, c); \ - __m128i be = Add(b, Mulc1(e)); \ - h = Add(h, f); \ - f = Add(f, h); \ - h = Add(h, d); \ - q = Add(q, e); \ - h = Rol17(h); \ - h = Mulc1(h); \ - k = Xor(k, _mm_shuffle_epi8(g, f)); \ - g = Add(Xor(c, g), a); \ - f = Add(Xor(be, f), d); \ - std::swap(f, q); \ - q = _mm_aesimc_si128(q); \ - k = Add(k, be); \ - k = Add(k, _mm_shuffle_epi8(f, h)); \ - f = Add(f, g); \ - g = Add(g, f); \ - f = Mulc1(f); \ -} while (0) - - q = g; - while (iters-- != 0) { - Chunk(); - s += 80; - } - - if (len != 0) { - h = Add(h, _mm_set1_epi32(len)); - s = s + len - 80; - Chunk(); - } - } - - g = Shuffle0321(g); - k = Xor(k, g); - k = Xor(k, q); - h = Xor(h, q); - f = Mulc1(f); - k = Mulc2(k); - g = Mulc1(g); - h = Mulc2(h); - k = Add(k, _mm_shuffle_epi8(g, f)); - h = Add(h, f); - f = Add(f, h); - g = Add(g, k); - k = Add(k, g); - k = Xor(k, _mm_shuffle_epi8(f, h)); - __m128i buf[4]; - buf[0] = f; - buf[1] = g; - buf[2] = k; - buf[3] = h; - s = reinterpret_cast<char*>(buf); - uint32_t x = Fetch(s); - uint32_t y = Fetch(s+4); - uint32_t z = Fetch(s+8); - x = _mm_crc32_u32(x, Fetch(s+12)); - y = _mm_crc32_u32(y, Fetch(s+16)); - z = _mm_crc32_u32(z * c1, Fetch(s+20)); - x = _mm_crc32_u32(x, Fetch(s+24)); - y = _mm_crc32_u32(y * c1, Fetch(s+28)); - uint32_t o = y; - z = _mm_crc32_u32(z, Fetch(s+32)); - x = _mm_crc32_u32(x * c1, Fetch(s+36)); - y = _mm_crc32_u32(y, Fetch(s+40)); - z = _mm_crc32_u32(z * c1, Fetch(s+44)); - x = _mm_crc32_u32(x, Fetch(s+48)); - y = _mm_crc32_u32(y * c1, Fetch(s+52)); - z = _mm_crc32_u32(z, Fetch(s+56)); - x = _mm_crc32_u32(x, Fetch(s+60)); - return (o - x + y - z) * c1; -} - -#undef Chunk -#undef Murk -#undef Mulc2 -#undef Mulc1 - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - if (len <= 24) { - if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); - else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); - else return farmhashmk::Hash32Len0to4(s, len, seed); - } - uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); - return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); -} - -#endif -} // namespace farmhashsu -namespace farmhashsa { -#if !can_use_sse42 - -uint32_t Hash32(const char *s, size_t len) { - FARMHASH_DIE_IF_MISCONFIGURED; - return s == NULL ? 0 : len; -} - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - FARMHASH_DIE_IF_MISCONFIGURED; - return seed + Hash32(s, len); -} - -#else - -#undef Fetch -#define Fetch Fetch32 - -#undef Rotate -#define Rotate Rotate32 - -#undef Bswap -#define Bswap Bswap32 - -// Helpers for data-parallel operations (4x 32-bits). -STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } -STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } -STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } -STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } -STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } -STATIC_INLINE __m128i Rotate(__m128i x, int c) { - return Or(_mm_slli_epi32(x, c), - _mm_srli_epi32(x, 32 - c)); -} -STATIC_INLINE __m128i Rot17(__m128i x) { return Rotate(x, 17); } -STATIC_INLINE __m128i Rot19(__m128i x) { return Rotate(x, 19); } -STATIC_INLINE __m128i Shuffle0321(__m128i x) { - return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); -} - -uint32_t Hash32(const char *s, size_t len) { - const uint32_t seed = 81; - if (len <= 24) { - return len <= 12 ? - (len <= 4 ? - farmhashmk::Hash32Len0to4(s, len) : - farmhashmk::Hash32Len5to12(s, len)) : - farmhashmk::Hash32Len13to24(s, len); - } - - if (len < 40) { - uint32_t a = len, b = seed * c2, c = a + b; - a += Fetch(s + len - 4); - b += Fetch(s + len - 20); - c += Fetch(s + len - 16); - uint32_t d = a; - a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); - a = Mur(a, Mur(b, Mur(c, d))); - a += Fetch(s + len - 12); - b += Fetch(s + len - 8); - d += a; - a += d; - b = Mur(b, d) * c2; - a = _mm_crc32_u32(a, b + c); - return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; - } - -#undef Mulc1 -#define Mulc1(x) Mul((x), cc1) - -#undef Mulc2 -#define Mulc2(x) Mul((x), cc2) - -#undef Murk -#define Murk(a, h) \ - Add(k, \ - Mul5( \ - Rot19( \ - Xor( \ - Mulc2( \ - Rot17( \ - Mulc1(a))), \ - (h))))) - - const __m128i cc1 = _mm_set1_epi32(c1); - const __m128i cc2 = _mm_set1_epi32(c2); - __m128i h = _mm_set1_epi32(seed); - __m128i g = _mm_set1_epi32(c1 * seed); - __m128i f = g; - __m128i k = _mm_set1_epi32(0xe6546b64); - if (len < 80) { - __m128i a = Fetch128(s); - __m128i b = Fetch128(s + 16); - __m128i c = Fetch128(s + (len - 15) / 2); - __m128i d = Fetch128(s + len - 32); - __m128i e = Fetch128(s + len - 16); - h = Add(h, a); - g = Add(g, b); - g = Shuffle0321(g); - f = Add(f, c); - __m128i be = Add(b, Mulc1(e)); - h = Add(h, f); - f = Add(f, h); - h = Add(Murk(d, h), e); - k = Xor(k, _mm_shuffle_epi8(g, f)); - g = Add(Xor(c, g), a); - f = Add(Xor(be, f), d); - k = Add(k, be); - k = Add(k, _mm_shuffle_epi8(f, h)); - f = Add(f, g); - g = Add(g, f); - g = Add(_mm_set1_epi32(len), Mulc1(g)); - } else { - // len >= 80 - // The following is loosely modelled after farmhashmk::Hash32. - size_t iters = (len - 1) / 80; - len -= iters * 80; - -#undef Chunk -#define Chunk() do { \ - __m128i a = Fetch128(s); \ - __m128i b = Fetch128(s + 16); \ - __m128i c = Fetch128(s + 32); \ - __m128i d = Fetch128(s + 48); \ - __m128i e = Fetch128(s + 64); \ - h = Add(h, a); \ - g = Add(g, b); \ - g = Shuffle0321(g); \ - f = Add(f, c); \ - __m128i be = Add(b, Mulc1(e)); \ - h = Add(h, f); \ - f = Add(f, h); \ - h = Add(Murk(d, h), e); \ - k = Xor(k, _mm_shuffle_epi8(g, f)); \ - g = Add(Xor(c, g), a); \ - f = Add(Xor(be, f), d); \ - k = Add(k, be); \ - k = Add(k, _mm_shuffle_epi8(f, h)); \ - f = Add(f, g); \ - g = Add(g, f); \ - f = Mulc1(f); \ -} while (0) - - while (iters-- != 0) { - Chunk(); - s += 80; - } - - if (len != 0) { - h = Add(h, _mm_set1_epi32(len)); - s = s + len - 80; - Chunk(); - } - } - - g = Shuffle0321(g); - k = Xor(k, g); - f = Mulc1(f); - k = Mulc2(k); - g = Mulc1(g); - h = Mulc2(h); - k = Add(k, _mm_shuffle_epi8(g, f)); - h = Add(h, f); - f = Add(f, h); - g = Add(g, k); - k = Add(k, g); - k = Xor(k, _mm_shuffle_epi8(f, h)); - __m128i buf[4]; - buf[0] = f; - buf[1] = g; - buf[2] = k; - buf[3] = h; - s = reinterpret_cast<char*>(buf); - uint32_t x = Fetch(s); - uint32_t y = Fetch(s+4); - uint32_t z = Fetch(s+8); - x = _mm_crc32_u32(x, Fetch(s+12)); - y = _mm_crc32_u32(y, Fetch(s+16)); - z = _mm_crc32_u32(z * c1, Fetch(s+20)); - x = _mm_crc32_u32(x, Fetch(s+24)); - y = _mm_crc32_u32(y * c1, Fetch(s+28)); - uint32_t o = y; - z = _mm_crc32_u32(z, Fetch(s+32)); - x = _mm_crc32_u32(x * c1, Fetch(s+36)); - y = _mm_crc32_u32(y, Fetch(s+40)); - z = _mm_crc32_u32(z * c1, Fetch(s+44)); - x = _mm_crc32_u32(x, Fetch(s+48)); - y = _mm_crc32_u32(y * c1, Fetch(s+52)); - z = _mm_crc32_u32(z, Fetch(s+56)); - x = _mm_crc32_u32(x, Fetch(s+60)); - return (o - x + y - z) * c1; -} - -#undef Chunk -#undef Murk -#undef Mulc2 -#undef Mulc1 - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - if (len <= 24) { - if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); - else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); - else return farmhashmk::Hash32Len0to4(s, len, seed); - } - uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); - return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); -} - -#endif -} // namespace farmhashsa -namespace farmhashcc { -// This file provides a 32-bit hash equivalent to CityHash32 (v1.1.1) -// and a 128-bit hash equivalent to CityHash128 (v1.1.1). It also provides -// a seeded 32-bit hash function similar to CityHash32. - -#undef Fetch -#define Fetch Fetch32 - -#undef Rotate -#define Rotate Rotate32 - -#undef Bswap -#define Bswap Bswap32 - -STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len) { - uint32_t a = Fetch(s - 4 + (len >> 1)); - uint32_t b = Fetch(s + 4); - uint32_t c = Fetch(s + len - 8); - uint32_t d = Fetch(s + (len >> 1)); - uint32_t e = Fetch(s); - uint32_t f = Fetch(s + len - 4); - uint32_t h = len; - - return fmix(Mur(f, Mur(e, Mur(d, Mur(c, Mur(b, Mur(a, h))))))); -} - -STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len) { - uint32_t b = 0; - uint32_t c = 9; - for (size_t i = 0; i < len; i++) { - signed char v = s[i]; - b = b * c1 + v; - c ^= b; - } - return fmix(Mur(b, Mur(len, c))); -} - -STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len) { - uint32_t a = len, b = len * 5, c = 9, d = b; - a += Fetch(s); - b += Fetch(s + len - 4); - c += Fetch(s + ((len >> 1) & 4)); - return fmix(Mur(c, Mur(b, Mur(a, d)))); -} - +#include "farmhash.h" +// FARMHASH ASSUMPTIONS: Modify as needed, or use -DFARMHASH_ASSUME_SSE42 etc. +// Note that if you use -DFARMHASH_ASSUME_SSE42 you likely need -msse42 +// (or its equivalent for your compiler); if you use -DFARMHASH_ASSUME_AESNI +// you likely need -maes (or its equivalent for your compiler). + +#ifdef FARMHASH_ASSUME_SSSE3 +#undef FARMHASH_ASSUME_SSSE3 +#define FARMHASH_ASSUME_SSSE3 1 +#endif + +#ifdef FARMHASH_ASSUME_SSE41 +#undef FARMHASH_ASSUME_SSE41 +#define FARMHASH_ASSUME_SSE41 1 +#endif + +#ifdef FARMHASH_ASSUME_SSE42 +#undef FARMHASH_ASSUME_SSE42 +#define FARMHASH_ASSUME_SSE42 1 +#endif + +#ifdef FARMHASH_ASSUME_AESNI +#undef FARMHASH_ASSUME_AESNI +#define FARMHASH_ASSUME_AESNI 1 +#endif + +#ifdef FARMHASH_ASSUME_AVX +#undef FARMHASH_ASSUME_AVX +#define FARMHASH_ASSUME_AVX 1 +#endif + +#if !defined(FARMHASH_CAN_USE_CXX11) && defined(LANG_CXX11) +#define FARMHASH_CAN_USE_CXX11 1 +#else +#undef FARMHASH_CAN_USE_CXX11 +#define FARMHASH_CAN_USE_CXX11 0 +#endif + +// FARMHASH PORTABILITY LAYER: Runtime error if misconfigured + +#ifndef FARMHASH_DIE_IF_MISCONFIGURED +#define FARMHASH_DIE_IF_MISCONFIGURED do { *(char*)(len % 17) = 0; } while (0) +#endif + +// FARMHASH PORTABILITY LAYER: "static inline" or similar + +#ifndef STATIC_INLINE +#define STATIC_INLINE static inline +#endif + +// FARMHASH PORTABILITY LAYER: LIKELY and UNLIKELY + +#if !defined(LIKELY) +#if defined(FARMHASH_NO_BUILTIN_EXPECT) || (defined(FARMHASH_OPTIONAL_BUILTIN_EXPECT) && !defined(HAVE_BUILTIN_EXPECT)) +#define LIKELY(x) (x) +#else +#define LIKELY(x) (__builtin_expect(!!(x), 1)) +#endif +#endif + +#undef UNLIKELY +#define UNLIKELY(x) !LIKELY(!(x)) + +// FARMHASH PORTABILITY LAYER: endianness and byteswapping functions + +#ifdef WORDS_BIGENDIAN +#undef FARMHASH_BIG_ENDIAN +#define FARMHASH_BIG_ENDIAN 1 +#endif + +#if defined(FARMHASH_LITTLE_ENDIAN) && defined(FARMHASH_BIG_ENDIAN) +#error +#endif + +#if !defined(FARMHASH_LITTLE_ENDIAN) && !defined(FARMHASH_BIG_ENDIAN) +#define FARMHASH_UNKNOWN_ENDIAN 1 +#endif + +#if !defined(bswap_32) || !defined(bswap_64) +#undef bswap_32 +#undef bswap_64 + +#if defined(HAVE_BUILTIN_BSWAP) || defined(__clang__) || \ + (defined(__GNUC__) && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 8) || \ + __GNUC__ >= 5)) +// Easy case for bswap: no header file needed. +#define bswap_32(x) __builtin_bswap32(x) +#define bswap_64(x) __builtin_bswap64(x) +#endif + +#endif + +#if defined(FARMHASH_UNKNOWN_ENDIAN) || !defined(bswap_64) + +#ifdef _MSC_VER + +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) _byteswap_ulong(x) +#define bswap_64(x) _byteswap_uint64(x) + +#elif defined(__APPLE__) + +// Mac OS X / Darwin features +#include <libkern/OSByteOrder.h> +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) OSSwapInt32(x) +#define bswap_64(x) OSSwapInt64(x) + +#elif defined(__sun) || defined(sun) + +#include <sys/byteorder.h> +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) BSWAP_32(x) +#define bswap_64(x) BSWAP_64(x) + +#elif defined(__FreeBSD__) || defined(__DragonFly__) + +#include <sys/endian.h> +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) bswap32(x) +#define bswap_64(x) bswap64(x) + +#elif defined(__OpenBSD__) + +#include <sys/types.h> +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) swap32(x) +#define bswap_64(x) swap64(x) + +#elif defined(__NetBSD__) + +#include <sys/types.h> +#include <machine/bswap.h> +#if defined(__BSWAP_RENAME) && !defined(__bswap_32) +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) bswap32(x) +#define bswap_64(x) bswap64(x) +#endif + +#else + +#undef bswap_32 +#undef bswap_64 +#include <byteswap.h> + +#endif + +#ifdef WORDS_BIGENDIAN +#define FARMHASH_BIG_ENDIAN 1 +#endif + +#endif + +#ifdef FARMHASH_BIG_ENDIAN +#define uint32_in_expected_order(x) (bswap_32(x)) +#define uint64_in_expected_order(x) (bswap_64(x)) +#else +#define uint32_in_expected_order(x) (x) +#define uint64_in_expected_order(x) (x) +#endif + +namespace NAMESPACE_FOR_HASH_FUNCTIONS { + +STATIC_INLINE uint64_t Fetch64(const char *p) { + uint64_t result; + memcpy(&result, p, sizeof(result)); + return uint64_in_expected_order(result); +} + +STATIC_INLINE uint32_t Fetch32(const char *p) { + uint32_t result; + memcpy(&result, p, sizeof(result)); + return uint32_in_expected_order(result); +} + +STATIC_INLINE uint32_t Bswap32(uint32_t val) { return bswap_32(val); } +STATIC_INLINE uint64_t Bswap64(uint64_t val) { return bswap_64(val); } + +// FARMHASH PORTABILITY LAYER: bitwise rot + +STATIC_INLINE uint32_t BasicRotate32(uint32_t val, int shift) { + // Avoid shifting by 32: doing so yields an undefined result. + return shift == 0 ? val : ((val >> shift) | (val << (32 - shift))); +} + +STATIC_INLINE uint64_t BasicRotate64(uint64_t val, int shift) { + // Avoid shifting by 64: doing so yields an undefined result. + return shift == 0 ? val : ((val >> shift) | (val << (64 - shift))); +} + +#if defined(_MSC_VER) && defined(FARMHASH_ROTR) + +STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { + return sizeof(unsigned long) == sizeof(val) ? + _lrotr(val, shift) : + BasicRotate32(val, shift); +} + +STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { + return sizeof(unsigned long) == sizeof(val) ? + _lrotr(val, shift) : + BasicRotate64(val, shift); +} + +#else + +STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { + return BasicRotate32(val, shift); +} +STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { + return BasicRotate64(val, shift); +} + +#endif + +} // namespace NAMESPACE_FOR_HASH_FUNCTIONS + +// FARMHASH PORTABILITY LAYER: debug mode or max speed? +// One may use -DFARMHASH_DEBUG=1 or -DFARMHASH_DEBUG=0 to force the issue. + +#if !defined(FARMHASH_DEBUG) && (!defined(NDEBUG) || defined(_DEBUG)) +#define FARMHASH_DEBUG 1 +#endif + +#undef debug_mode +#if FARMHASH_DEBUG +#define debug_mode 1 +#else +#define debug_mode 0 +#endif + +// PLATFORM-SPECIFIC FUNCTIONS AND MACROS + +#undef x86_64 +#if defined (__x86_64) || defined (__x86_64__) +#define x86_64 1 +#else +#define x86_64 0 +#endif + +#undef x86 +#if defined(__i386__) || defined(__i386) || defined(__X86__) +#define x86 1 +#else +#define x86 x86_64 +#endif + +#if !defined(is_64bit) +#define is_64bit (x86_64 || (sizeof(void*) == 8)) +#endif + +#undef can_use_ssse3 +#if defined(__SSSE3__) || defined(FARMHASH_ASSUME_SSSE3) + +#include <immintrin.h> +#define can_use_ssse3 1 +// Now we can use _mm_hsub_epi16 and so on. + +#else +#define can_use_ssse3 0 +#endif + +#undef can_use_sse41 +#if defined(__SSE4_1__) || defined(FARMHASH_ASSUME_SSE41) + +#include <immintrin.h> +#define can_use_sse41 1 +// Now we can use _mm_insert_epi64 and so on. + +#else +#define can_use_sse41 0 +#endif + +#undef can_use_sse42 +#if defined(__SSE4_2__) || defined(FARMHASH_ASSUME_SSE42) + +#include <nmmintrin.h> +#define can_use_sse42 1 +// Now we can use _mm_crc32_u{32,16,8}. And on 64-bit platforms, _mm_crc32_u64. + +#else +#define can_use_sse42 0 +#endif + +#undef can_use_aesni +#if defined(__AES__) || defined(FARMHASH_ASSUME_AESNI) + +#include <wmmintrin.h> +#define can_use_aesni 1 +// Now we can use _mm_aesimc_si128 and so on. + +#else +#define can_use_aesni 0 +#endif + +#undef can_use_avx +#if defined(__AVX__) || defined(FARMHASH_ASSUME_AVX) + +#include <immintrin.h> +#define can_use_avx 1 + +#else +#define can_use_avx 0 +#endif + +#if can_use_ssse3 || can_use_sse41 || can_use_sse42 || can_use_aesni || can_use_avx +STATIC_INLINE __m128i Fetch128(const char* s) { + return _mm_loadu_si128(reinterpret_cast<const __m128i*>(s)); +} +#endif +// Building blocks for hash functions + +// std::swap() was in <algorithm> but is in <utility> from C++11 on. +#if !FARMHASH_CAN_USE_CXX11 +#include <algorithm> +#endif + +#undef PERMUTE3 +#define PERMUTE3(a, b, c) do { std::swap(a, b); std::swap(a, c); } while (0) + +namespace NAMESPACE_FOR_HASH_FUNCTIONS { + +// Some primes between 2^63 and 2^64 for various uses. +static const uint64_t k0 = 0xc3a5c85c97cb3127ULL; +static const uint64_t k1 = 0xb492b66fbe98f273ULL; +static const uint64_t k2 = 0x9ae16a3b2f90404fULL; + +// Magic numbers for 32-bit hashing. Copied from Murmur3. +static const uint32_t c1 = 0xcc9e2d51; +static const uint32_t c2 = 0x1b873593; + +// A 32-bit to 32-bit integer hash copied from Murmur3. +STATIC_INLINE uint32_t fmix(uint32_t h) +{ + h ^= h >> 16; + h *= 0x85ebca6b; + h ^= h >> 13; + h *= 0xc2b2ae35; + h ^= h >> 16; + return h; +} + +STATIC_INLINE uint32_t Mur(uint32_t a, uint32_t h) { + // Helper from Murmur3 for combining two 32-bit values. + a *= c1; + a = Rotate32(a, 17); + a *= c2; + h ^= a; + h = Rotate32(h, 19); + return h * 5 + 0xe6546b64; +} + +template <typename T> STATIC_INLINE T DebugTweak(T x) { + if (debug_mode) { + if (sizeof(x) == 4) { + x = ~Bswap32(x * c1); + } else { + x = ~Bswap64(x * k1); + } + } + return x; +} + +template <> uint128_t DebugTweak(uint128_t x) { + if (debug_mode) { + uint64_t y = DebugTweak(Uint128Low64(x)); + uint64_t z = DebugTweak(Uint128High64(x)); + y += z; + z += y; + x = Uint128(y, z * k1); + } + return x; +} + +} // namespace NAMESPACE_FOR_HASH_FUNCTIONS + +using namespace std; +using namespace NAMESPACE_FOR_HASH_FUNCTIONS; +namespace farmhashna { +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +#undef Bswap +#define Bswap Bswap64 + +STATIC_INLINE uint64_t ShiftMix(uint64_t val) { + return val ^ (val >> 47); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { + return Hash128to64(Uint128(u, v)); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { + // Murmur-inspired hashing. + uint64_t a = (u ^ v) * mul; + a ^= (a >> 47); + uint64_t b = (v ^ a) * mul; + b ^= (b >> 47); + b *= mul; + return b; +} + +STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { + if (len >= 8) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) + k2; + uint64_t b = Fetch(s + len - 8); + uint64_t c = Rotate(b, 37) * mul + a; + uint64_t d = (Rotate(a, 25) + b) * mul; + return HashLen16(c, d, mul); + } + if (len >= 4) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch32(s); + return HashLen16(len + (a << 3), Fetch32(s + len - 4), mul); + } + if (len > 0) { + uint8_t a = s[0]; + uint8_t b = s[len >> 1]; + uint8_t c = s[len - 1]; + uint32_t y = static_cast<uint32_t>(a) + (static_cast<uint32_t>(b) << 8); + uint32_t z = len + (static_cast<uint32_t>(c) << 2); + return ShiftMix(y * k2 ^ z * k0) * k2; + } + return k2; +} + +// This probably works well for 16-byte strings as well, but it may be overkill +// in that case. +STATIC_INLINE uint64_t HashLen17to32(const char *s, size_t len) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) * k1; + uint64_t b = Fetch(s + 8); + uint64_t c = Fetch(s + len - 8) * mul; + uint64_t d = Fetch(s + len - 16) * k2; + return HashLen16(Rotate(a + b, 43) + Rotate(c, 30) + d, + a + Rotate(b + k2, 18) + c, mul); +} + +// Return a 16-byte hash for 48 bytes. Quick and dirty. +// Callers do best to use "random-looking" values for a and b. +STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( + uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { + a += w; + b = Rotate(b + a + z, 21); + uint64_t c = a; + a += x; + a += y; + b += Rotate(a, 44); + return make_pair(a + z, b + c); +} + +// Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. +STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( + const char* s, uint64_t a, uint64_t b) { + return WeakHashLen32WithSeeds(Fetch(s), + Fetch(s + 8), + Fetch(s + 16), + Fetch(s + 24), + a, + b); +} + +// Return an 8-byte hash for 33 to 64 bytes. +STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) * k2; + uint64_t b = Fetch(s + 8); + uint64_t c = Fetch(s + len - 8) * mul; + uint64_t d = Fetch(s + len - 16) * k2; + uint64_t y = Rotate(a + b, 43) + Rotate(c, 30) + d; + uint64_t z = HashLen16(y, a + Rotate(b + k2, 18) + c, mul); + uint64_t e = Fetch(s + 16) * mul; + uint64_t f = Fetch(s + 24); + uint64_t g = (y + Fetch(s + len - 32)) * mul; + uint64_t h = (z + Fetch(s + len - 24)) * mul; + return HashLen16(Rotate(e + f, 43) + Rotate(g, 30) + h, + e + Rotate(f + a, 18) + g, mul); +} + +uint64_t Hash64(const char *s, size_t len) { + const uint64_t seed = 81; + if (len <= 32) { + if (len <= 16) { + return HashLen0to16(s, len); + } else { + return HashLen17to32(s, len); + } + } else if (len <= 64) { + return HashLen33to64(s, len); + } + + // For strings over 64 bytes we loop. Internal state consists of + // 56 bytes: v, w, x, y, and z. + uint64_t x = seed; + uint64_t y = seed * k1 + 113; + uint64_t z = ShiftMix(y * k2 + 113) * k2; + pair<uint64_t, uint64_t> v = make_pair(0, 0); + pair<uint64_t, uint64_t> w = make_pair(0, 0); + x = x * k2 + Fetch(s); + + // Set end so that after the loop we have 1 to 64 bytes left to process. + const char* end = s + ((len - 1) / 64) * 64; + const char* last64 = end + ((len - 1) & 63) - 63; + assert(s + len - 64 == last64); + do { + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; + y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; + x ^= w.second; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * k1; + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + s += 64; + } while (s != end); + uint64_t mul = k1 + ((z & 0xff) << 1); + // Make s point to the last 64 bytes of input. + s = last64; + w.first += ((len - 1) & 63); + v.first += w.first; + w.first += v.first; + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * mul; + y = Rotate(y + v.second + Fetch(s + 48), 42) * mul; + x ^= w.second * 9; + y += v.first * 9 + Fetch(s + 40); + z = Rotate(z + w.first, 33) * mul; + v = WeakHashLen32WithSeeds(s, v.second * mul, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + return HashLen16(HashLen16(v.first, w.first, mul) + ShiftMix(y) * k0 + z, + HashLen16(v.second, w.second, mul) + x, + mul); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1); + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return Hash64WithSeeds(s, len, k2, seed); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { + return HashLen16(Hash64(s, len) - seed0, seed1); +} +} // namespace farmhashna +namespace farmhashuo { +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +STATIC_INLINE uint64_t H(uint64_t x, uint64_t y, uint64_t mul, int r) { + uint64_t a = (x ^ y) * mul; + a ^= (a >> 47); + uint64_t b = (y ^ a) * mul; + return Rotate(b, r) * mul; +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, + uint64_t seed0, uint64_t seed1) { + if (len <= 64) { + return farmhashna::Hash64WithSeeds(s, len, seed0, seed1); + } + + // For strings over 64 bytes we loop. Internal state consists of + // 64 bytes: u, v, w, x, y, and z. + uint64_t x = seed0; + uint64_t y = seed1 * k2 + 113; + uint64_t z = farmhashna::ShiftMix(y * k2) * k2; + pair<uint64_t, uint64_t> v = make_pair(seed0, seed1); + pair<uint64_t, uint64_t> w = make_pair(0, 0); + uint64_t u = x - z; + x *= k2; + uint64_t mul = k2 + (u & 0x82); + + // Set end so that after the loop we have 1 to 64 bytes left to process. + const char* end = s + ((len - 1) / 64) * 64; + const char* last64 = end + ((len - 1) & 63) - 63; + assert(s + len - 64 == last64); + do { + uint64_t a0 = Fetch(s); + uint64_t a1 = Fetch(s + 8); + uint64_t a2 = Fetch(s + 16); + uint64_t a3 = Fetch(s + 24); + uint64_t a4 = Fetch(s + 32); + uint64_t a5 = Fetch(s + 40); + uint64_t a6 = Fetch(s + 48); + uint64_t a7 = Fetch(s + 56); + x += a0 + a1; + y += a2; + z += a3; + v.first += a4; + v.second += a5 + a1; + w.first += a6; + w.second += a7; + + x = Rotate(x, 26); + x *= 9; + y = Rotate(y, 29); + z *= mul; + v.first = Rotate(v.first, 33); + v.second = Rotate(v.second, 30); + w.first ^= x; + w.first *= 9; + z = Rotate(z, 32); + z += w.second; + w.second += z; + z *= 9; + std::swap(u, y); + + z += a0 + a6; + v.first += a2; + v.second += a3; + w.first += a4; + w.second += a5 + a6; + x += a1; + y += a7; + + y += v.first; + v.first += x - y; + v.second += w.first; + w.first += v.second; + w.second += x - y; + x += w.second; + w.second = Rotate(w.second, 34); + std::swap(u, z); + s += 64; + } while (s != end); + // Make s point to the last 64 bytes of input. + s = last64; + u *= 9; + v.second = Rotate(v.second, 28); + v.first = Rotate(v.first, 20); + w.first += ((len - 1) & 63); + u += y; + y += u; + x = Rotate(y - x + v.first + Fetch(s + 8), 37) * mul; + y = Rotate(y ^ v.second ^ Fetch(s + 48), 42) * mul; + x ^= w.second * 9; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * mul; + v = farmhashna::WeakHashLen32WithSeeds(s, v.second * mul, x + w.first); + w = farmhashna::WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + return H(farmhashna::HashLen16(v.first + x, w.first ^ y, mul) + z - u, + H(v.second + y, w.second + z, k2, 30) ^ x, + k2, + 31); +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return len <= 64 ? farmhashna::Hash64WithSeed(s, len, seed) : + Hash64WithSeeds(s, len, 0, seed); +} + +uint64_t Hash64(const char *s, size_t len) { + return len <= 64 ? farmhashna::Hash64(s, len) : + Hash64WithSeeds(s, len, 81, 0); +} +} // namespace farmhashuo +namespace farmhashxo { +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +STATIC_INLINE uint64_t H32(const char *s, size_t len, uint64_t mul, + uint64_t seed0 = 0, uint64_t seed1 = 0) { + uint64_t a = Fetch(s) * k1; + uint64_t b = Fetch(s + 8); + uint64_t c = Fetch(s + len - 8) * mul; + uint64_t d = Fetch(s + len - 16) * k2; + uint64_t u = Rotate(a + b, 43) + Rotate(c, 30) + d + seed0; + uint64_t v = a + Rotate(b + k2, 18) + c + seed1; + a = farmhashna::ShiftMix((u ^ v) * mul); + b = farmhashna::ShiftMix((v ^ a) * mul); + return b; +} + +// Return an 8-byte hash for 33 to 64 bytes. +STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { + uint64_t mul0 = k2 - 30; + uint64_t mul1 = k2 - 30 + 2 * len; + uint64_t h0 = H32(s, 32, mul0); + uint64_t h1 = H32(s + len - 32, 32, mul1); + return ((h1 * mul1) + h0) * mul1; +} + +// Return an 8-byte hash for 65 to 96 bytes. +STATIC_INLINE uint64_t HashLen65to96(const char *s, size_t len) { + uint64_t mul0 = k2 - 114; + uint64_t mul1 = k2 - 114 + 2 * len; + uint64_t h0 = H32(s, 32, mul0); + uint64_t h1 = H32(s + 32, 32, mul1); + uint64_t h2 = H32(s + len - 32, 32, mul1, h0, h1); + return (h2 * 9 + (h0 >> 17) + (h1 >> 21)) * mul1; +} + +uint64_t Hash64(const char *s, size_t len) { + if (len <= 32) { + if (len <= 16) { + return farmhashna::HashLen0to16(s, len); + } else { + return farmhashna::HashLen17to32(s, len); + } + } else if (len <= 64) { + return HashLen33to64(s, len); + } else if (len <= 96) { + return HashLen65to96(s, len); + } else if (len <= 256) { + return farmhashna::Hash64(s, len); + } else { + return farmhashuo::Hash64(s, len); + } +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { + return farmhashuo::Hash64WithSeeds(s, len, seed0, seed1); +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return farmhashuo::Hash64WithSeed(s, len, seed); +} +} // namespace farmhashxo +namespace farmhashte { +#if !can_use_sse41 || !x86_64 + +uint64_t Hash64(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash64(s, len); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, + uint64_t seed0, uint64_t seed1) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed0 + seed1 + Hash64(s, len); +} + +#else + +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +#undef Bswap +#define Bswap Bswap64 + +// Helpers for data-parallel operations (1x 128 bits or 2x 64 or 4x 32). +STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi64(x, y); } +STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } +STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } +STATIC_INLINE __m128i Shuf(__m128i x, __m128i y) { return _mm_shuffle_epi8(y, x); } + +// Requires n >= 256. Requires SSE4.1. Should be slightly faster if the +// compiler uses AVX instructions (e.g., use the -mavx flag with GCC). +STATIC_INLINE uint64_t Hash64Long(const char* s, size_t n, + uint64_t seed0, uint64_t seed1) { + const __m128i kShuf = + _mm_set_epi8(4, 11, 10, 5, 8, 15, 6, 9, 12, 2, 14, 13, 0, 7, 3, 1); + const __m128i kMult = + _mm_set_epi8(0xbd, 0xd6, 0x33, 0x39, 0x45, 0x54, 0xfa, 0x03, + 0x34, 0x3e, 0x33, 0xed, 0xcc, 0x9e, 0x2d, 0x51); + uint64_t seed2 = (seed0 + 113) * (seed1 + 9); + uint64_t seed3 = (Rotate(seed0, 23) + 27) * (Rotate(seed1, 30) + 111); + __m128i d0 = _mm_cvtsi64_si128(seed0); + __m128i d1 = _mm_cvtsi64_si128(seed1); + __m128i d2 = Shuf(kShuf, d0); + __m128i d3 = Shuf(kShuf, d1); + __m128i d4 = Xor(d0, d1); + __m128i d5 = Xor(d1, d2); + __m128i d6 = Xor(d2, d4); + __m128i d7 = _mm_set1_epi32(seed2 >> 32); + __m128i d8 = Mul(kMult, d2); + __m128i d9 = _mm_set1_epi32(seed3 >> 32); + __m128i d10 = _mm_set1_epi32(seed3); + __m128i d11 = Add(d2, _mm_set1_epi32(seed2)); + const char* end = s + (n & ~static_cast<size_t>(255)); + do { + __m128i z; + z = Fetch128(s); + d0 = Add(d0, z); + d1 = Shuf(kShuf, d1); + d2 = Xor(d2, d0); + d4 = Xor(d4, z); + d4 = Xor(d4, d1); + std::swap(d0, d6); + z = Fetch128(s + 16); + d5 = Add(d5, z); + d6 = Shuf(kShuf, d6); + d8 = Shuf(kShuf, d8); + d7 = Xor(d7, d5); + d0 = Xor(d0, z); + d0 = Xor(d0, d6); + std::swap(d5, d11); + z = Fetch128(s + 32); + d1 = Add(d1, z); + d2 = Shuf(kShuf, d2); + d4 = Shuf(kShuf, d4); + d5 = Xor(d5, z); + d5 = Xor(d5, d2); + std::swap(d10, d4); + z = Fetch128(s + 48); + d6 = Add(d6, z); + d7 = Shuf(kShuf, d7); + d0 = Shuf(kShuf, d0); + d8 = Xor(d8, d6); + d1 = Xor(d1, z); + d1 = Add(d1, d7); + z = Fetch128(s + 64); + d2 = Add(d2, z); + d5 = Shuf(kShuf, d5); + d4 = Add(d4, d2); + d6 = Xor(d6, z); + d6 = Xor(d6, d11); + std::swap(d8, d2); + z = Fetch128(s + 80); + d7 = Xor(d7, z); + d8 = Shuf(kShuf, d8); + d1 = Shuf(kShuf, d1); + d0 = Add(d0, d7); + d2 = Add(d2, z); + d2 = Add(d2, d8); + std::swap(d1, d7); + z = Fetch128(s + 96); + d4 = Shuf(kShuf, d4); + d6 = Shuf(kShuf, d6); + d8 = Mul(kMult, d8); + d5 = Xor(d5, d11); + d7 = Xor(d7, z); + d7 = Add(d7, d4); + std::swap(d6, d0); + z = Fetch128(s + 112); + d8 = Add(d8, z); + d0 = Shuf(kShuf, d0); + d2 = Shuf(kShuf, d2); + d1 = Xor(d1, d8); + d10 = Xor(d10, z); + d10 = Xor(d10, d0); + std::swap(d11, d5); + z = Fetch128(s + 128); + d4 = Add(d4, z); + d5 = Shuf(kShuf, d5); + d7 = Shuf(kShuf, d7); + d6 = Add(d6, d4); + d8 = Xor(d8, z); + d8 = Xor(d8, d5); + std::swap(d4, d10); + z = Fetch128(s + 144); + d0 = Add(d0, z); + d1 = Shuf(kShuf, d1); + d2 = Add(d2, d0); + d4 = Xor(d4, z); + d4 = Xor(d4, d1); + z = Fetch128(s + 160); + d5 = Add(d5, z); + d6 = Shuf(kShuf, d6); + d8 = Shuf(kShuf, d8); + d7 = Xor(d7, d5); + d0 = Xor(d0, z); + d0 = Xor(d0, d6); + std::swap(d2, d8); + z = Fetch128(s + 176); + d1 = Add(d1, z); + d2 = Shuf(kShuf, d2); + d4 = Shuf(kShuf, d4); + d5 = Mul(kMult, d5); + d5 = Xor(d5, z); + d5 = Xor(d5, d2); + std::swap(d7, d1); + z = Fetch128(s + 192); + d6 = Add(d6, z); + d7 = Shuf(kShuf, d7); + d0 = Shuf(kShuf, d0); + d8 = Add(d8, d6); + d1 = Xor(d1, z); + d1 = Xor(d1, d7); + std::swap(d0, d6); + z = Fetch128(s + 208); + d2 = Add(d2, z); + d5 = Shuf(kShuf, d5); + d4 = Xor(d4, d2); + d6 = Xor(d6, z); + d6 = Xor(d6, d9); + std::swap(d5, d11); + z = Fetch128(s + 224); + d7 = Add(d7, z); + d8 = Shuf(kShuf, d8); + d1 = Shuf(kShuf, d1); + d0 = Xor(d0, d7); + d2 = Xor(d2, z); + d2 = Xor(d2, d8); + std::swap(d10, d4); + z = Fetch128(s + 240); + d3 = Add(d3, z); + d4 = Shuf(kShuf, d4); + d6 = Shuf(kShuf, d6); + d7 = Mul(kMult, d7); + d5 = Add(d5, d3); + d7 = Xor(d7, z); + d7 = Xor(d7, d4); + std::swap(d3, d9); + s += 256; + } while (s != end); + d6 = Add(Mul(kMult, d6), _mm_cvtsi64_si128(n)); + if (n % 256 != 0) { + d7 = Add(_mm_shuffle_epi32(d8, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)), d7); + d8 = Add(Mul(kMult, d8), _mm_cvtsi64_si128(farmhashxo::Hash64(s, n % 256))); + } + __m128i t[8]; + d0 = Mul(kMult, Shuf(kShuf, Mul(kMult, d0))); + d3 = Mul(kMult, Shuf(kShuf, Mul(kMult, d3))); + d9 = Mul(kMult, Shuf(kShuf, Mul(kMult, d9))); + d1 = Mul(kMult, Shuf(kShuf, Mul(kMult, d1))); + d0 = Add(d11, d0); + d3 = Xor(d7, d3); + d9 = Add(d8, d9); + d1 = Add(d10, d1); + d4 = Add(d3, d4); + d5 = Add(d9, d5); + d6 = Xor(d1, d6); + d2 = Add(d0, d2); + t[0] = d0; + t[1] = d3; + t[2] = d9; + t[3] = d1; + t[4] = d4; + t[5] = d5; + t[6] = d6; + t[7] = d2; + return farmhashxo::Hash64(reinterpret_cast<const char*>(t), sizeof(t)); +} + +uint64_t Hash64(const char *s, size_t len) { + // Empirically, farmhashxo seems faster until length 512. + return len >= 512 ? Hash64Long(s, len, k2, k1) : farmhashxo::Hash64(s, len); +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return len >= 512 ? Hash64Long(s, len, k1, seed) : + farmhashxo::Hash64WithSeed(s, len, seed); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { + return len >= 512 ? Hash64Long(s, len, seed0, seed1) : + farmhashxo::Hash64WithSeeds(s, len, seed0, seed1); +} + +#endif +} // namespace farmhashte +namespace farmhashnt { +#if !can_use_sse41 || !x86_64 + +uint32_t Hash32(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash32(s, len); +} + +#else + +uint32_t Hash32(const char *s, size_t len) { + return static_cast<uint32_t>(farmhashte::Hash64(s, len)); +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + return static_cast<uint32_t>(farmhashte::Hash64WithSeed(s, len, seed)); +} + +#endif +} // namespace farmhashnt +namespace farmhashmk { +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len, uint32_t seed = 0) { + uint32_t a = Fetch(s - 4 + (len >> 1)); + uint32_t b = Fetch(s + 4); + uint32_t c = Fetch(s + len - 8); + uint32_t d = Fetch(s + (len >> 1)); + uint32_t e = Fetch(s); + uint32_t f = Fetch(s + len - 4); + uint32_t h = d * c1 + len + seed; + a = Rotate(a, 12) + f; + h = Mur(c, h) + a; + a = Rotate(a, 3) + c; + h = Mur(e, h) + a; + a = Rotate(a + f, 12) + d; + h = Mur(b ^ seed, h) + a; + return fmix(h); +} + +STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len, uint32_t seed = 0) { + uint32_t b = seed; + uint32_t c = 9; + for (size_t i = 0; i < len; i++) { + signed char v = s[i]; + b = b * c1 + v; + c ^= b; + } + return fmix(Mur(b, Mur(len, c))); +} + +STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len, uint32_t seed = 0) { + uint32_t a = len, b = len * 5, c = 9, d = b + seed; + a += Fetch(s); + b += Fetch(s + len - 4); + c += Fetch(s + ((len >> 1) & 4)); + return fmix(seed ^ Mur(c, Mur(b, Mur(a, d)))); +} + +uint32_t Hash32(const char *s, size_t len) { + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? Hash32Len0to4(s, len) : Hash32Len5to12(s, len)) : + Hash32Len13to24(s, len); + } + + // len > 24 + uint32_t h = len, g = c1 * len, f = g; + uint32_t a0 = Rotate(Fetch(s + len - 4) * c1, 17) * c2; + uint32_t a1 = Rotate(Fetch(s + len - 8) * c1, 17) * c2; + uint32_t a2 = Rotate(Fetch(s + len - 16) * c1, 17) * c2; + uint32_t a3 = Rotate(Fetch(s + len - 12) * c1, 17) * c2; + uint32_t a4 = Rotate(Fetch(s + len - 20) * c1, 17) * c2; + h ^= a0; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + h ^= a2; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + g ^= a1; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + g ^= a3; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + f += a4; + f = Rotate(f, 19) + 113; + size_t iters = (len - 1) / 20; + do { + uint32_t a = Fetch(s); + uint32_t b = Fetch(s + 4); + uint32_t c = Fetch(s + 8); + uint32_t d = Fetch(s + 12); + uint32_t e = Fetch(s + 16); + h += a; + g += b; + f += c; + h = Mur(d, h) + e; + g = Mur(c, g) + a; + f = Mur(b + e * c1, f) + d; + f += g; + g += f; + s += 20; + } while (--iters != 0); + g = Rotate(g, 11) * c1; + g = Rotate(g, 17) * c1; + f = Rotate(f, 11) * c1; + f = Rotate(f, 17) * c1; + h = Rotate(h + g, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + h = Rotate(h + f, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + return h; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return Hash32Len5to12(s, len, seed); + else return Hash32Len0to4(s, len, seed); + } + uint32_t h = Hash32Len13to24(s, 24, seed ^ len); + return Mur(Hash32(s + 24, len - 24) + seed, h); +} +} // namespace farmhashmk +namespace farmhashsu { +#if !can_use_sse42 || !can_use_aesni + +uint32_t Hash32(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash32(s, len); +} + +#else + +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +// Helpers for data-parallel operations (4x 32-bits). +STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } +STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } +STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } +STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } +STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } +STATIC_INLINE __m128i RotateLeft(__m128i x, int c) { + return Or(_mm_slli_epi32(x, c), + _mm_srli_epi32(x, 32 - c)); +} +STATIC_INLINE __m128i Rol17(__m128i x) { return RotateLeft(x, 17); } +STATIC_INLINE __m128i Rol19(__m128i x) { return RotateLeft(x, 19); } +STATIC_INLINE __m128i Shuffle0321(__m128i x) { + return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); +} + +uint32_t Hash32(const char *s, size_t len) { + const uint32_t seed = 81; + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? + farmhashmk::Hash32Len0to4(s, len) : + farmhashmk::Hash32Len5to12(s, len)) : + farmhashmk::Hash32Len13to24(s, len); + } + + if (len < 40) { + uint32_t a = len, b = seed * c2, c = a + b; + a += Fetch(s + len - 4); + b += Fetch(s + len - 20); + c += Fetch(s + len - 16); + uint32_t d = a; + a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); + a = Mur(a, Mur(b, _mm_crc32_u32(c, d))); + a += Fetch(s + len - 12); + b += Fetch(s + len - 8); + d += a; + a += d; + b = Mur(b, d) * c2; + a = _mm_crc32_u32(a, b + c); + return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; + } + +#undef Mulc1 +#define Mulc1(x) Mul((x), cc1) + +#undef Mulc2 +#define Mulc2(x) Mul((x), cc2) + +#undef Murk +#define Murk(a, h) \ + Add(k, \ + Mul5( \ + Rol19( \ + Xor( \ + Mulc2( \ + Rol17( \ + Mulc1(a))), \ + (h))))) + + const __m128i cc1 = _mm_set1_epi32(c1); + const __m128i cc2 = _mm_set1_epi32(c2); + __m128i h = _mm_set1_epi32(seed); + __m128i g = _mm_set1_epi32(c1 * seed); + __m128i f = g; + __m128i k = _mm_set1_epi32(0xe6546b64); + __m128i q; + if (len < 80) { + __m128i a = Fetch128(s); + __m128i b = Fetch128(s + 16); + __m128i c = Fetch128(s + (len - 15) / 2); + __m128i d = Fetch128(s + len - 32); + __m128i e = Fetch128(s + len - 16); + h = Add(h, a); + g = Add(g, b); + q = g; + g = Shuffle0321(g); + f = Add(f, c); + __m128i be = Add(b, Mulc1(e)); + h = Add(h, f); + f = Add(f, h); + h = Add(Murk(d, h), e); + k = Xor(k, _mm_shuffle_epi8(g, f)); + g = Add(Xor(c, g), a); + f = Add(Xor(be, f), d); + k = Add(k, be); + k = Add(k, _mm_shuffle_epi8(f, h)); + f = Add(f, g); + g = Add(g, f); + g = Add(_mm_set1_epi32(len), Mulc1(g)); + } else { + // len >= 80 + // The following is loosely modelled after farmhashmk::Hash32. + size_t iters = (len - 1) / 80; + len -= iters * 80; + +#undef Chunk +#define Chunk() do { \ + __m128i a = Fetch128(s); \ + __m128i b = Fetch128(s + 16); \ + __m128i c = Fetch128(s + 32); \ + __m128i d = Fetch128(s + 48); \ + __m128i e = Fetch128(s + 64); \ + h = Add(h, a); \ + g = Add(g, b); \ + g = Shuffle0321(g); \ + f = Add(f, c); \ + __m128i be = Add(b, Mulc1(e)); \ + h = Add(h, f); \ + f = Add(f, h); \ + h = Add(h, d); \ + q = Add(q, e); \ + h = Rol17(h); \ + h = Mulc1(h); \ + k = Xor(k, _mm_shuffle_epi8(g, f)); \ + g = Add(Xor(c, g), a); \ + f = Add(Xor(be, f), d); \ + std::swap(f, q); \ + q = _mm_aesimc_si128(q); \ + k = Add(k, be); \ + k = Add(k, _mm_shuffle_epi8(f, h)); \ + f = Add(f, g); \ + g = Add(g, f); \ + f = Mulc1(f); \ +} while (0) + + q = g; + while (iters-- != 0) { + Chunk(); + s += 80; + } + + if (len != 0) { + h = Add(h, _mm_set1_epi32(len)); + s = s + len - 80; + Chunk(); + } + } + + g = Shuffle0321(g); + k = Xor(k, g); + k = Xor(k, q); + h = Xor(h, q); + f = Mulc1(f); + k = Mulc2(k); + g = Mulc1(g); + h = Mulc2(h); + k = Add(k, _mm_shuffle_epi8(g, f)); + h = Add(h, f); + f = Add(f, h); + g = Add(g, k); + k = Add(k, g); + k = Xor(k, _mm_shuffle_epi8(f, h)); + __m128i buf[4]; + buf[0] = f; + buf[1] = g; + buf[2] = k; + buf[3] = h; + s = reinterpret_cast<char*>(buf); + uint32_t x = Fetch(s); + uint32_t y = Fetch(s+4); + uint32_t z = Fetch(s+8); + x = _mm_crc32_u32(x, Fetch(s+12)); + y = _mm_crc32_u32(y, Fetch(s+16)); + z = _mm_crc32_u32(z * c1, Fetch(s+20)); + x = _mm_crc32_u32(x, Fetch(s+24)); + y = _mm_crc32_u32(y * c1, Fetch(s+28)); + uint32_t o = y; + z = _mm_crc32_u32(z, Fetch(s+32)); + x = _mm_crc32_u32(x * c1, Fetch(s+36)); + y = _mm_crc32_u32(y, Fetch(s+40)); + z = _mm_crc32_u32(z * c1, Fetch(s+44)); + x = _mm_crc32_u32(x, Fetch(s+48)); + y = _mm_crc32_u32(y * c1, Fetch(s+52)); + z = _mm_crc32_u32(z, Fetch(s+56)); + x = _mm_crc32_u32(x, Fetch(s+60)); + return (o - x + y - z) * c1; +} + +#undef Chunk +#undef Murk +#undef Mulc2 +#undef Mulc1 + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); + else return farmhashmk::Hash32Len0to4(s, len, seed); + } + uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); + return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); +} + +#endif +} // namespace farmhashsu +namespace farmhashsa { +#if !can_use_sse42 + +uint32_t Hash32(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash32(s, len); +} + +#else + +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +// Helpers for data-parallel operations (4x 32-bits). +STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } +STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } +STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } +STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } +STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } +STATIC_INLINE __m128i Rotate(__m128i x, int c) { + return Or(_mm_slli_epi32(x, c), + _mm_srli_epi32(x, 32 - c)); +} +STATIC_INLINE __m128i Rot17(__m128i x) { return Rotate(x, 17); } +STATIC_INLINE __m128i Rot19(__m128i x) { return Rotate(x, 19); } +STATIC_INLINE __m128i Shuffle0321(__m128i x) { + return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); +} + +uint32_t Hash32(const char *s, size_t len) { + const uint32_t seed = 81; + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? + farmhashmk::Hash32Len0to4(s, len) : + farmhashmk::Hash32Len5to12(s, len)) : + farmhashmk::Hash32Len13to24(s, len); + } + + if (len < 40) { + uint32_t a = len, b = seed * c2, c = a + b; + a += Fetch(s + len - 4); + b += Fetch(s + len - 20); + c += Fetch(s + len - 16); + uint32_t d = a; + a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); + a = Mur(a, Mur(b, Mur(c, d))); + a += Fetch(s + len - 12); + b += Fetch(s + len - 8); + d += a; + a += d; + b = Mur(b, d) * c2; + a = _mm_crc32_u32(a, b + c); + return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; + } + +#undef Mulc1 +#define Mulc1(x) Mul((x), cc1) + +#undef Mulc2 +#define Mulc2(x) Mul((x), cc2) + +#undef Murk +#define Murk(a, h) \ + Add(k, \ + Mul5( \ + Rot19( \ + Xor( \ + Mulc2( \ + Rot17( \ + Mulc1(a))), \ + (h))))) + + const __m128i cc1 = _mm_set1_epi32(c1); + const __m128i cc2 = _mm_set1_epi32(c2); + __m128i h = _mm_set1_epi32(seed); + __m128i g = _mm_set1_epi32(c1 * seed); + __m128i f = g; + __m128i k = _mm_set1_epi32(0xe6546b64); + if (len < 80) { + __m128i a = Fetch128(s); + __m128i b = Fetch128(s + 16); + __m128i c = Fetch128(s + (len - 15) / 2); + __m128i d = Fetch128(s + len - 32); + __m128i e = Fetch128(s + len - 16); + h = Add(h, a); + g = Add(g, b); + g = Shuffle0321(g); + f = Add(f, c); + __m128i be = Add(b, Mulc1(e)); + h = Add(h, f); + f = Add(f, h); + h = Add(Murk(d, h), e); + k = Xor(k, _mm_shuffle_epi8(g, f)); + g = Add(Xor(c, g), a); + f = Add(Xor(be, f), d); + k = Add(k, be); + k = Add(k, _mm_shuffle_epi8(f, h)); + f = Add(f, g); + g = Add(g, f); + g = Add(_mm_set1_epi32(len), Mulc1(g)); + } else { + // len >= 80 + // The following is loosely modelled after farmhashmk::Hash32. + size_t iters = (len - 1) / 80; + len -= iters * 80; + +#undef Chunk +#define Chunk() do { \ + __m128i a = Fetch128(s); \ + __m128i b = Fetch128(s + 16); \ + __m128i c = Fetch128(s + 32); \ + __m128i d = Fetch128(s + 48); \ + __m128i e = Fetch128(s + 64); \ + h = Add(h, a); \ + g = Add(g, b); \ + g = Shuffle0321(g); \ + f = Add(f, c); \ + __m128i be = Add(b, Mulc1(e)); \ + h = Add(h, f); \ + f = Add(f, h); \ + h = Add(Murk(d, h), e); \ + k = Xor(k, _mm_shuffle_epi8(g, f)); \ + g = Add(Xor(c, g), a); \ + f = Add(Xor(be, f), d); \ + k = Add(k, be); \ + k = Add(k, _mm_shuffle_epi8(f, h)); \ + f = Add(f, g); \ + g = Add(g, f); \ + f = Mulc1(f); \ +} while (0) + + while (iters-- != 0) { + Chunk(); + s += 80; + } + + if (len != 0) { + h = Add(h, _mm_set1_epi32(len)); + s = s + len - 80; + Chunk(); + } + } + + g = Shuffle0321(g); + k = Xor(k, g); + f = Mulc1(f); + k = Mulc2(k); + g = Mulc1(g); + h = Mulc2(h); + k = Add(k, _mm_shuffle_epi8(g, f)); + h = Add(h, f); + f = Add(f, h); + g = Add(g, k); + k = Add(k, g); + k = Xor(k, _mm_shuffle_epi8(f, h)); + __m128i buf[4]; + buf[0] = f; + buf[1] = g; + buf[2] = k; + buf[3] = h; + s = reinterpret_cast<char*>(buf); + uint32_t x = Fetch(s); + uint32_t y = Fetch(s+4); + uint32_t z = Fetch(s+8); + x = _mm_crc32_u32(x, Fetch(s+12)); + y = _mm_crc32_u32(y, Fetch(s+16)); + z = _mm_crc32_u32(z * c1, Fetch(s+20)); + x = _mm_crc32_u32(x, Fetch(s+24)); + y = _mm_crc32_u32(y * c1, Fetch(s+28)); + uint32_t o = y; + z = _mm_crc32_u32(z, Fetch(s+32)); + x = _mm_crc32_u32(x * c1, Fetch(s+36)); + y = _mm_crc32_u32(y, Fetch(s+40)); + z = _mm_crc32_u32(z * c1, Fetch(s+44)); + x = _mm_crc32_u32(x, Fetch(s+48)); + y = _mm_crc32_u32(y * c1, Fetch(s+52)); + z = _mm_crc32_u32(z, Fetch(s+56)); + x = _mm_crc32_u32(x, Fetch(s+60)); + return (o - x + y - z) * c1; +} + +#undef Chunk +#undef Murk +#undef Mulc2 +#undef Mulc1 + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); + else return farmhashmk::Hash32Len0to4(s, len, seed); + } + uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); + return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); +} + +#endif +} // namespace farmhashsa +namespace farmhashcc { +// This file provides a 32-bit hash equivalent to CityHash32 (v1.1.1) +// and a 128-bit hash equivalent to CityHash128 (v1.1.1). It also provides +// a seeded 32-bit hash function similar to CityHash32. + +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len) { + uint32_t a = Fetch(s - 4 + (len >> 1)); + uint32_t b = Fetch(s + 4); + uint32_t c = Fetch(s + len - 8); + uint32_t d = Fetch(s + (len >> 1)); + uint32_t e = Fetch(s); + uint32_t f = Fetch(s + len - 4); + uint32_t h = len; + + return fmix(Mur(f, Mur(e, Mur(d, Mur(c, Mur(b, Mur(a, h))))))); +} + +STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len) { + uint32_t b = 0; + uint32_t c = 9; + for (size_t i = 0; i < len; i++) { + signed char v = s[i]; + b = b * c1 + v; + c ^= b; + } + return fmix(Mur(b, Mur(len, c))); +} + +STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len) { + uint32_t a = len, b = len * 5, c = 9, d = b; + a += Fetch(s); + b += Fetch(s + len - 4); + c += Fetch(s + ((len >> 1) & 4)); + return fmix(Mur(c, Mur(b, Mur(a, d)))); +} + Y_PRAGMA_DIAGNOSTIC_PUSH Y_PRAGMA_NO_WSHADOW -uint32_t Hash32(const char *s, size_t len) { - if (len <= 24) { - return len <= 12 ? - (len <= 4 ? Hash32Len0to4(s, len) : Hash32Len5to12(s, len)) : - Hash32Len13to24(s, len); - } - - // len > 24 - uint32_t h = len, g = c1 * len, f = g; - uint32_t a0 = Rotate(Fetch(s + len - 4) * c1, 17) * c2; - uint32_t a1 = Rotate(Fetch(s + len - 8) * c1, 17) * c2; - uint32_t a2 = Rotate(Fetch(s + len - 16) * c1, 17) * c2; - uint32_t a3 = Rotate(Fetch(s + len - 12) * c1, 17) * c2; - uint32_t a4 = Rotate(Fetch(s + len - 20) * c1, 17) * c2; - h ^= a0; - h = Rotate(h, 19); - h = h * 5 + 0xe6546b64; - h ^= a2; - h = Rotate(h, 19); - h = h * 5 + 0xe6546b64; - g ^= a1; - g = Rotate(g, 19); - g = g * 5 + 0xe6546b64; - g ^= a3; - g = Rotate(g, 19); - g = g * 5 + 0xe6546b64; - f += a4; - f = Rotate(f, 19); - f = f * 5 + 0xe6546b64; - size_t iters = (len - 1) / 20; - do { - uint32_t a0 = Rotate(Fetch(s) * c1, 17) * c2; - uint32_t a1 = Fetch(s + 4); - uint32_t a2 = Rotate(Fetch(s + 8) * c1, 17) * c2; - uint32_t a3 = Rotate(Fetch(s + 12) * c1, 17) * c2; - uint32_t a4 = Fetch(s + 16); - h ^= a0; - h = Rotate(h, 18); - h = h * 5 + 0xe6546b64; - f += a1; - f = Rotate(f, 19); - f = f * c1; - g += a2; - g = Rotate(g, 18); - g = g * 5 + 0xe6546b64; - h ^= a3 + a1; - h = Rotate(h, 19); - h = h * 5 + 0xe6546b64; - g ^= a4; - g = Bswap(g) * 5; - h += a4 * 5; - h = Bswap(h); - f += a0; - PERMUTE3(f, h, g); - s += 20; - } while (--iters != 0); - g = Rotate(g, 11) * c1; - g = Rotate(g, 17) * c1; - f = Rotate(f, 11) * c1; - f = Rotate(f, 17) * c1; - h = Rotate(h + g, 19); - h = h * 5 + 0xe6546b64; - h = Rotate(h, 17) * c1; - h = Rotate(h + f, 19); - h = h * 5 + 0xe6546b64; - h = Rotate(h, 17) * c1; - return h; -} +uint32_t Hash32(const char *s, size_t len) { + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? Hash32Len0to4(s, len) : Hash32Len5to12(s, len)) : + Hash32Len13to24(s, len); + } + + // len > 24 + uint32_t h = len, g = c1 * len, f = g; + uint32_t a0 = Rotate(Fetch(s + len - 4) * c1, 17) * c2; + uint32_t a1 = Rotate(Fetch(s + len - 8) * c1, 17) * c2; + uint32_t a2 = Rotate(Fetch(s + len - 16) * c1, 17) * c2; + uint32_t a3 = Rotate(Fetch(s + len - 12) * c1, 17) * c2; + uint32_t a4 = Rotate(Fetch(s + len - 20) * c1, 17) * c2; + h ^= a0; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + h ^= a2; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + g ^= a1; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + g ^= a3; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + f += a4; + f = Rotate(f, 19); + f = f * 5 + 0xe6546b64; + size_t iters = (len - 1) / 20; + do { + uint32_t a0 = Rotate(Fetch(s) * c1, 17) * c2; + uint32_t a1 = Fetch(s + 4); + uint32_t a2 = Rotate(Fetch(s + 8) * c1, 17) * c2; + uint32_t a3 = Rotate(Fetch(s + 12) * c1, 17) * c2; + uint32_t a4 = Fetch(s + 16); + h ^= a0; + h = Rotate(h, 18); + h = h * 5 + 0xe6546b64; + f += a1; + f = Rotate(f, 19); + f = f * c1; + g += a2; + g = Rotate(g, 18); + g = g * 5 + 0xe6546b64; + h ^= a3 + a1; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + g ^= a4; + g = Bswap(g) * 5; + h += a4 * 5; + h = Bswap(h); + f += a0; + PERMUTE3(f, h, g); + s += 20; + } while (--iters != 0); + g = Rotate(g, 11) * c1; + g = Rotate(g, 17) * c1; + f = Rotate(f, 11) * c1; + f = Rotate(f, 17) * c1; + h = Rotate(h + g, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + h = Rotate(h + f, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + return h; +} Y_PRAGMA_DIAGNOSTIC_POP - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - if (len <= 24) { - if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); - else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); - else return farmhashmk::Hash32Len0to4(s, len, seed); - } - uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); - return Mur(Hash32(s + 24, len - 24) + seed, h); -} - -#undef Fetch -#define Fetch Fetch64 - -#undef Rotate -#define Rotate Rotate64 - -#undef Bswap -#define Bswap Bswap64 - -STATIC_INLINE uint64_t ShiftMix(uint64_t val) { - return val ^ (val >> 47); -} - -STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { - return Hash128to64(Uint128(u, v)); -} - -STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { - // Murmur-inspired hashing. - uint64_t a = (u ^ v) * mul; - a ^= (a >> 47); - uint64_t b = (v ^ a) * mul; - b ^= (b >> 47); - b *= mul; - return b; -} - -STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { - if (len >= 8) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch(s) + k2; - uint64_t b = Fetch(s + len - 8); - uint64_t c = Rotate(b, 37) * mul + a; - uint64_t d = (Rotate(a, 25) + b) * mul; - return HashLen16(c, d, mul); - } - if (len >= 4) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch32(s); - return HashLen16(len + (a << 3), Fetch32(s + len - 4), mul); - } - if (len > 0) { - uint8_t a = s[0]; - uint8_t b = s[len >> 1]; - uint8_t c = s[len - 1]; - uint32_t y = static_cast<uint32_t>(a) + (static_cast<uint32_t>(b) << 8); - uint32_t z = len + (static_cast<uint32_t>(c) << 2); - return ShiftMix(y * k2 ^ z * k0) * k2; - } - return k2; -} - -// Return a 16-byte hash for 48 bytes. Quick and dirty. -// Callers do best to use "random-looking" values for a and b. -STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( - uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { - a += w; - b = Rotate(b + a + z, 21); - uint64_t c = a; - a += x; - a += y; - b += Rotate(a, 44); - return make_pair(a + z, b + c); -} - -// Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. -STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( - const char* s, uint64_t a, uint64_t b) { - return WeakHashLen32WithSeeds(Fetch(s), - Fetch(s + 8), - Fetch(s + 16), - Fetch(s + 24), - a, - b); -} - - - -// A subroutine for CityHash128(). Returns a decent 128-bit hash for strings -// of any length representable in signed long. Based on City and Murmur. -STATIC_INLINE uint128_t CityMurmur(const char *s, size_t len, uint128_t seed) { - uint64_t a = Uint128Low64(seed); - uint64_t b = Uint128High64(seed); - uint64_t c = 0; - uint64_t d = 0; - signed long l = len - 16; - if (l <= 0) { // len <= 16 - a = ShiftMix(a * k1) * k1; - c = b * k1 + HashLen0to16(s, len); - d = ShiftMix(a + (len >= 8 ? Fetch(s) : c)); - } else { // len > 16 - c = HashLen16(Fetch(s + len - 8) + k1, a); - d = HashLen16(b + len, c + Fetch(s + len - 16)); - a += d; - do { - a ^= ShiftMix(Fetch(s) * k1) * k1; - a *= k1; - b ^= a; - c ^= ShiftMix(Fetch(s + 8) * k1) * k1; - c *= k1; - d ^= c; - s += 16; - l -= 16; - } while (l > 0); - } - a = HashLen16(a, c); - b = HashLen16(d, b); - return Uint128(a ^ b, HashLen16(b, a)); -} - -uint128_t CityHash128WithSeed(const char *s, size_t len, uint128_t seed) { - if (len < 128) { - return CityMurmur(s, len, seed); - } - - // We expect len >= 128 to be the common case. Keep 56 bytes of state: - // v, w, x, y, and z. - pair<uint64_t, uint64_t> v, w; - uint64_t x = Uint128Low64(seed); - uint64_t y = Uint128High64(seed); - uint64_t z = len * k1; - v.first = Rotate(y ^ k1, 49) * k1 + Fetch(s); - v.second = Rotate(v.first, 42) * k1 + Fetch(s + 8); - w.first = Rotate(y + z, 35) * k1 + x; - w.second = Rotate(x + Fetch(s + 88), 53) * k1; - - // This is the same inner loop as CityHash64(), manually unrolled. - do { - x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; - y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; - x ^= w.second; - y += v.first + Fetch(s + 40); - z = Rotate(z + w.first, 33) * k1; - v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); - w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); - std::swap(z, x); - s += 64; - x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; - y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; - x ^= w.second; - y += v.first + Fetch(s + 40); - z = Rotate(z + w.first, 33) * k1; - v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); - w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); - std::swap(z, x); - s += 64; - len -= 128; - } while (LIKELY(len >= 128)); - x += Rotate(v.first + z, 49) * k0; - y = y * k0 + Rotate(w.second, 37); - z = z * k0 + Rotate(w.first, 27); - w.first *= 9; - v.first *= k0; - // If 0 < len < 128, hash up to 4 chunks of 32 bytes each from the end of s. - for (size_t tail_done = 0; tail_done < len; ) { - tail_done += 32; - y = Rotate(x + y, 42) * k0 + v.second; - w.first += Fetch(s + len - tail_done + 16); - x = x * k0 + w.first; - z += w.second + Fetch(s + len - tail_done); - w.second += v.first; - v = WeakHashLen32WithSeeds(s + len - tail_done, v.first + z, v.second); - v.first *= k0; - } - // At this point our 56 bytes of state should contain more than - // enough information for a strong 128-bit hash. We use two - // different 56-byte-to-8-byte hashes to get a 16-byte final result. - x = HashLen16(x, v.first); - y = HashLen16(y + z, w.first); - return Uint128(HashLen16(x + v.second, w.second) + y, - HashLen16(x + w.second, y + v.second)); -} - -STATIC_INLINE uint128_t CityHash128(const char *s, size_t len) { - return len >= 16 ? - CityHash128WithSeed(s + 16, len - 16, - Uint128(Fetch(s), Fetch(s + 8) + k0)) : - CityHash128WithSeed(s, len, Uint128(k0, k1)); -} - -uint128_t Fingerprint128(const char* s, size_t len) { - return CityHash128(s, len); -} -} // namespace farmhashcc -namespace NAMESPACE_FOR_HASH_FUNCTIONS { - -// BASIC STRING HASHING - -// Hash function for a byte array. See also Hash(), below. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint32_t Hash32(const char* s, size_t len) { - return DebugTweak( - (can_use_sse41 & x86_64) ? farmhashnt::Hash32(s, len) : - (can_use_sse42 & can_use_aesni) ? farmhashsu::Hash32(s, len) : - can_use_sse42 ? farmhashsa::Hash32(s, len) : - farmhashmk::Hash32(s, len)); -} - -// Hash function for a byte array. For convenience, a 32-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint32_t Hash32WithSeed(const char* s, size_t len, uint32_t seed) { - return DebugTweak( - (can_use_sse41 & x86_64) ? farmhashnt::Hash32WithSeed(s, len, seed) : - (can_use_sse42 & can_use_aesni) ? farmhashsu::Hash32WithSeed(s, len, seed) : - can_use_sse42 ? farmhashsa::Hash32WithSeed(s, len, seed) : - farmhashmk::Hash32WithSeed(s, len, seed)); -} - -// Hash function for a byte array. For convenience, a 64-bit seed is also -// hashed into the result. See also Hash(), below. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint64_t Hash64(const char* s, size_t len) { - return DebugTweak( - (can_use_sse42 & x86_64) ? - farmhashte::Hash64(s, len) : - farmhashxo::Hash64(s, len)); -} - -// Hash function for a byte array. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -size_t Hash(const char* s, size_t len) { - return sizeof(size_t) == 8 ? Hash64(s, len) : Hash32(s, len); -} - -// Hash function for a byte array. For convenience, a 64-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint64_t Hash64WithSeed(const char* s, size_t len, uint64_t seed) { - return DebugTweak(farmhashna::Hash64WithSeed(s, len, seed)); -} - -// Hash function for a byte array. For convenience, two seeds are also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint64_t Hash64WithSeeds(const char* s, size_t len, uint64_t seed0, uint64_t seed1) { - return DebugTweak(farmhashna::Hash64WithSeeds(s, len, seed0, seed1)); -} - -// Hash function for a byte array. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint128_t Hash128(const char* s, size_t len) { - return DebugTweak(farmhashcc::Fingerprint128(s, len)); -} - -// Hash function for a byte array. For convenience, a 128-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint128_t Hash128WithSeed(const char* s, size_t len, uint128_t seed) { - return DebugTweak(farmhashcc::CityHash128WithSeed(s, len, seed)); -} - -// BASIC NON-STRING HASHING - -// FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) - -// Fingerprint function for a byte array. Most useful in 32-bit binaries. -uint32_t Fingerprint32(const char* s, size_t len) { - return farmhashmk::Hash32(s, len); -} - -// Fingerprint function for a byte array. -uint64_t Fingerprint64(const char* s, size_t len) { - return farmhashna::Hash64(s, len); -} - -// Fingerprint function for a byte array. -uint128_t Fingerprint128(const char* s, size_t len) { - return farmhashcc::Fingerprint128(s, len); -} - -// Older and still available but perhaps not as fast as the above: -// farmhashns::Hash32{,WithSeed}() - -} // namespace NAMESPACE_FOR_HASH_FUNCTIONS - -#if FARMHASHSELFTEST - -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - -static char data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - -// Initialize data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; - memcpy(data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashccTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -4223616069u, -3696677242u, -1039179260u, 1690343979u, 1018511555u, 2464489001u, -20368522u, 2663783964u, 175201532u, 1619210592u, -4081014168u, -2576519988u, -3285042206u, 502478099u, 739479538u, 1500332790u, -13754768u, 3789353455u, 3473868058u, 1909255088u, -2212771159u, -1112731063u, -826915357u, 2893489933u, 118369799u, 1848668220u, -1308219822u, 249416982u, 64306364u, 4221800195u, -1020067935u, -3955445564u, -563346294u, 550236731u, 2339016688u, 1826259714u, -3872358639u, 2295981050u, 1870005390u, 4015628802u, -1451961420u, -653440099u, -1292493871u, 164377749u, 1717712483u, 463414587u, 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-1907985531u, -3013721395u, 4214533685u, 4198804243u, 534879265u, -1517190881u, 3756787754u, 1152563554u, 1718750948u, -777737463u, -1402478860u, -1824562784u, 1879401449u, 3515818786u, 513165201u, -1423491227u, 2103067918u, 2291777410u, 1097943000u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; -if (offset == -1) { int alive = 0; IsAlive(farmhashcc::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashcc::Hash32(data, len++)); { uint128_t u = farmhashcc::Fingerprint128(data, len++); uint64_t h = Uint128Low64(u); IsAlive(h >> 32); IsAlive((h << 32) >> 32); h = Uint128High64(u); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } -Check(farmhashcc::Hash32WithSeed(data + offset, len, SEED)); -Check(farmhashcc::Hash32(data + offset, len)); -{ uint128_t u = farmhashcc::Fingerprint128(data + offset, len); uint64_t h = Uint128Low64(u); Check(h >> 32); Check((h << 32) >> 32); h = Uint128High64(u); Check(h >> 32); Check((h << 32) >> 32); } -{ uint128_t u = farmhashcc::CityHash128WithSeed(data + offset, len, Uint128(SEED0, SEED1)); uint64_t h = Uint128Low64(u); Check(h >> 32); Check((h << 32) >> 32); h = Uint128High64(u); Check(h >> 32); Check((h << 32) >> 32); } - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashccTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { -cout << farmhashcc::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; -cout << farmhashcc::Hash32(data + offset, len) << "u," << endl; -{ uint128_t u = farmhashcc::Fingerprint128(data + offset, len); uint64_t h = Uint128Low64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u, "; h = Uint128High64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -{ uint128_t u = farmhashcc::CityHash128WithSeed(data + offset, len, Uint128(SEED0, SEED1)); uint64_t h = Uint128Low64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u, "; h = Uint128High64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashccTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashccTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashccTest::Dump(0, i); - } - farmhashccTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - -static char data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - -// Initialize data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; - memcpy(data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashmkTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -4223616069u, -3696677242u, -4081014168u, -2576519988u, -2212771159u, -1112731063u, -1020067935u, -3955445564u, -1451961420u, -653440099u, -31917516u, -2957164615u, -2590087362u, -3879448744u, -176305566u, -2447367541u, -1359016305u, -3363804638u, -1117290165u, -1062549743u, -2437877004u, -1894455839u, -673206794u, -3486923651u, -3269862919u, -2303349487u, -1380660650u, -595525107u, -1525325287u, -2025609358u, -176408838u, -1592885012u, -864896482u, -2101378090u, -3489229104u, -2118965695u, -581644891u, -2718789079u, -631613207u, -4228658372u, -3867875546u, -3531368319u, -3804516756u, -3317755099u, -1619744564u, -2884717286u, -1088213445u, -2667691076u, -3727873235u, -2330406762u, -3616470388u, -967660719u, -4148162586u, -315219121u, -673084328u, -3047602355u, -1598963653u, -1267826661u, -2117362589u, -2861192253u, -1823625377u, -1380350078u, -1641748342u, -1176094482u, -269384321u, -2178982315u, -3480237248u, -2660755208u, -1850544433u, -3429699438u, -1262819303u, -640556464u, -2421125401u, -2188368608u, -2612932825u, -1474432581u, -173790449u, -2124882189u, -831272654u, -622960146u, -4238751051u, -3250317967u, -2120810248u, -1948231495u, -1389029321u, -2200398357u, -2134232963u, -2948072329u, -617717625u, -681164587u, -114859387u, -430545646u, -57239089u, -3163338012u, -3482496399u, -557662576u, -1102441413u, -2670159360u, -991116729u, -846014240u, -4233741566u, -1802317242u, -3129528802u, -1459456375u, -1305643039u, -3258671612u, -1578285833u, -868590079u, -1631034517u, -1695432937u, -561078856u, -1004115553u, -3086090507u, -3818348650u, -731596645u, -780926790u, -2544205955u, -158479164u, -3983514188u, -2004735250u, -3436218400u, -673684751u, -1463431419u, -2880490219u, -3223748024u, -2218318859u, -1474466194u, -2636437533u, -2206794961u, -140995728u, -1186394086u, -1805716888u, -1640037724u, -3942729099u, -1944727013u, -918951560u, -498666871u, -3486974657u, -2967205462u, -1167253804u, -1884281041u, -2866015002u, -4158319270u, 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-4183030708u, -2462810989u, -3929965401u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; -if (offset == -1) { int alive = 0; IsAlive(farmhashmk::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashmk::Hash32(data, len++)); IsAlive(farmhashmk::Hash32(data, len++)); len -= 3; return alive > 0; } -Check(farmhashmk::Hash32WithSeed(data + offset, len, SEED)); -Check(farmhashmk::Hash32(data + offset, len)); - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashmkTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { -cout << farmhashmk::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; -cout << farmhashmk::Hash32(data + offset, len) << "u," << endl; -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashmkTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashmkTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashmkTest::Dump(0, i); - } - farmhashmkTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - -static char data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - -// Initialize data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; - memcpy(data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashnaTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -1140953930u, 861465670u, -3277735313u, 2681724312u, -2598464059u, 797982799u, -890626835u, 800175912u, -2603993599u, 921001710u, -1410420968u, 2134990486u, -3283896453u, 1867689945u, -2914424215u, 2244477846u, -255297188u, 2992121793u, -1110588164u, 4186314283u, -161451183u, 3943596029u, -4019337850u, 452431531u, -283198166u, 2741341286u, -3379021470u, 2557197665u, -299850021u, 2532580744u, -452473466u, 1706958772u, -1298374911u, 3099673830u, -2199864459u, 3696623795u, -236935126u, 2976578695u, -4055299123u, 3281581178u, -1053458494u, 1882212500u, -2305012065u, 2169731866u, -3456121707u, 275903667u, -458884671u, 3033004529u, -3058973506u, 2379411653u, -1898235244u, 1402319660u, -2700149065u, 2699376854u, -147814787u, 720739346u, -2433714046u, 4222949502u, -4220361840u, 1712034059u, -3425469811u, 3690733394u, -4148372108u, 1330324210u, -594028478u, 2921867846u, -1635026870u, 192883107u, -780716741u, 1728752234u, -3280331829u, 326029180u, -3969463346u, 1436364519u, -393215742u, 3349570000u, -3824583307u, 1612122221u, -2859809759u, 3808705738u, -1379537552u, 1646032583u, -2233466664u, 1432476832u, -4023053163u, 2650381482u, -2052294713u, 3552092450u, -1628777059u, 1499109081u, -3476440786u, 3829307897u, -2960536756u, 1554038301u, -1145519619u, 3190844552u, -2902102606u, 3600725550u, -237495366u, 540224401u, -65721842u, 489963606u, -1448662590u, 397635823u, -1596489240u, 1562872448u, -1790705123u, 2128624475u, -180854224u, 2604346966u, -1435705557u, 1262831810u, -155445229u, 1672724608u, -1669465176u, 1341975128u, -663607706u, 2077310004u, -3610042449u, 1911523866u, -1043692997u, 1454396064u, -2563776023u, 294527927u, -1099072299u, 1389770549u, -703505868u, 678706990u, -2952353448u, 2026137563u, -3603803785u, 629449419u, -1933894405u, 3043213226u, -226132789u, 2489287368u, -1552847036u, 645684964u, -3828089804u, 3632594520u, -187883449u, 230403464u, -3151491850u, 3272648435u, -3729087873u, 1303930448u, -2002861219u, 165370827u, -916494250u, 1230085527u, -3103338579u, 3064290191u, -3807265751u, 3628174014u, -231181488u, 851743255u, -2295806711u, 1781190011u, -2988893883u, 1554380634u, -1142264800u, 3667013118u, -1968445277u, 315203929u, -2638023604u, 2290487377u, -732137533u, 1909203251u, -440398219u, 1891630171u, -1380301172u, 1498556724u, -4072067757u, 4165088768u, -4204318635u, 441430649u, -3931792696u, 197618179u, -956300927u, 914413116u, -3010839769u, 2837339569u, -2148126371u, 1913303225u, -3074915312u, 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3647886687u, -3110327607u, 1072658422u, -379861934u, 1557579480u, -4124127129u, 2271365865u, -3880613089u, 739218494u, -547346027u, 388559045u, -3147335977u, 176230425u, -3094853730u, 2554321205u, -1495176194u, 4093461535u, -3521297827u, 4108148413u, -1913727929u, 1177947623u, -1911655402u, 1053371241u, -3265708874u, 1266515850u, -1045540427u, 3194420196u, -3717104621u, 1144474110u, -1464392345u, 52070157u, -4144237690u, 3350490823u, -4166253320u, 2747410691u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; -if (offset == -1) { int alive = 0; { uint64_t h = farmhashna::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } -{ uint64_t h = farmhashna::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } -{ uint64_t h = farmhashna::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } -{ uint64_t h = farmhashna::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashnaTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { -{ uint64_t h = farmhashna::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -{ uint64_t h = farmhashna::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -{ uint64_t h = farmhashna::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashnaTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashnaTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashnaTest::Dump(0, i); - } - farmhashnaTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - -static char data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - -// Initialize data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; - memcpy(data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashntTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -2681724312u, -797982799u, -921001710u, -2134990486u, -2244477846u, -2992121793u, -3943596029u, -452431531u, -2557197665u, -2532580744u, -3099673830u, -3696623795u, -3281581178u, -1882212500u, -275903667u, -3033004529u, -1402319660u, -2699376854u, -4222949502u, -1712034059u, -1330324210u, -2921867846u, -1728752234u, -326029180u, -3349570000u, -1612122221u, -1646032583u, -1432476832u, -3552092450u, -1499109081u, -1554038301u, -3190844552u, -540224401u, -489963606u, -1562872448u, -2128624475u, -1262831810u, -1672724608u, -2077310004u, -1911523866u, -294527927u, -1389770549u, -2026137563u, -629449419u, -2489287368u, -645684964u, -230403464u, -3272648435u, -165370827u, -1230085527u, -3628174014u, -851743255u, -1554380634u, -3667013118u, -2290487377u, -1909203251u, -1498556724u, -4165088768u, -197618179u, -914413116u, -1913303225u, -3117299654u, -1357272220u, -507436733u, -1413396341u, -146044391u, -429095991u, -3056862311u, -366414107u, -2293458109u, -1684583131u, -1170404994u, -520792961u, -1577421232u, -4033596884u, -4229339322u, -3242407770u, -2649785113u, -816692935u, -3555213933u, -517646945u, -2180594090u, -3047062993u, -2391606125u, -382936554u, -788479970u, -2826990641u, -3167748333u, -1758123094u, -389974094u, -3338548567u, -2583576230u, -3198590202u, -4155628142u, -542201663u, -2856634168u, -3948351189u, -4194218315u, -1467786451u, -2743592929u, -1062268187u, -3810665822u, -2560479831u, -997658837u, -3067277639u, -1211737169u, -59581167u, -1389679610u, -4189944477u, -100876854u, -2062343506u, -3088828656u, -3284356565u, -3130054947u, -3532596884u, -3887208531u, -259034107u, -3233195759u, -3200749877u, -760633989u, -1115203611u, -1516407838u, -1778459926u, -2146672889u, -2457048126u, -2217471853u, -862072556u, -3745267835u, -701920051u, -581695350u, -1410111809u, -3326135446u, -2187968410u, -4267859263u, -479241367u, -2868987960u, -704325635u, -1418509533u, -735688735u, -3283299459u, -813690332u, -1439630796u, -3195309868u, -1616408198u, -3254795114u, -2799925823u, -3929484338u, -1798536177u, -4205965408u, -1499475160u, -4247675634u, -3779953975u, -785893184u, -2778575413u, -1160134629u, -823113169u, -4116162021u, -4167766971u, -2487440590u, -4004655503u, -4044418876u, -1462554406u, -2011102035u, -4265993528u, -576405853u, -4038839101u, -2425317635u, -1401013391u, -3062418115u, -3167030094u, -2602636307u, -4264167741u, -4017058800u, -1029665228u, -4036354071u, -2670703363u, -688472265u, -1054670286u, -338058159u, -1539305024u, -146827036u, -4060134777u, -2502815838u, -1603444633u, -2448966429u, -3891353218u, -1082330589u, -201837927u, -2848283092u, -883849006u, -1982110346u, -541496720u, -133643215u, -3847827123u, -4015671361u, -2849988118u, -3452457457u, -2102063419u, -3281002516u, -1539151988u, -1147951686u, -2005032160u, -2415262714u, -116647396u, -1029284767u, -2159170082u, -1919171906u, -2017579106u, -2473524405u, -1694443528u, -3671562289u, -505662155u, -1019936943u, -1511077569u, -773792826u, -2089123665u, -484732447u, -1120017626u, -2809286837u, -4029205195u, -1097806406u, -136118734u, -4017075736u, -1403506686u, -1516736273u, -2562064338u, -2984955003u, -3071338162u, -1923531348u, -771592405u, -2586632018u, -4032960199u, -2687561076u, -308584855u, -1692079268u, -2565680167u, -3674576684u, -3770488806u, -69201295u, -1255084262u, -3593730713u, -54945052u, -1939595371u, -2432427547u, -2295501078u, -1280920000u, -82177963u, -1121403845u, -2889101923u, -713121337u, -1747052377u, -927011680u, -4142246789u, -1958963937u, -1636932722u, -4075249328u, -2025886508u, -3026358429u, -1845587644u, -3615577014u, -1363253259u, -3087190425u, -341851980u, -2515339233u, -1276595523u, -460237542u, -4198897105u, -2069753399u, -4278599955u, -356742959u, -3735275001u, -1750561299u, -668829411u, -3384018814u, -4233785523u, -451656820u, -107312677u, -2390172694u, -1216645846u, -164402616u, -1689811113u, -1767810825u, -1397772514u, -3323383489u, -2986430557u, -207428029u, -2260498180u, -2360400900u, -1263709570u, -1377764574u, -4252610345u, -1099809675u, -2776960536u, -3542220540u, -3752806924u, -337070226u, -3267551635u, -1306761320u, -2220373824u, -4109252858u, -896322512u, -1788337208u, -1336556841u, -2911512007u, -3712582785u, -3071359622u, -2561488770u, -3898950547u, -536047554u, -2040551642u, -3528794619u, -3565689036u, -1197100813u, -1864569342u, -3329594980u, -490608221u, -1174785921u, -3287246572u, -2163330264u, -500120236u, -2520062970u, -1561519055u, -4042710240u, -2774151984u, -3160666939u, -96459446u, -1878067032u, -4237425634u, -2952135524u, -4100839753u, -1265237690u, -4246879223u, -834830418u, -3476334357u, -4277111759u, -2511026735u, -3065234219u, -556796152u, -198182691u, -2913077464u, -1535115487u, -4046477658u, -140762681u, -990407433u, -2198985327u, -2926590471u, -559702706u, -82077489u, -1096697687u, -4190838199u, -3046872820u, -1583801700u, -2185339100u, -3912423882u, -3703603898u, -2540185277u, -1446869792u, -4051584612u, -2719373510u, -1675560450u, -1996164093u, -405251683u, -2864244470u, -4071581802u, -2028708916u, -803575837u, -557660441u, -3841480082u, -255451671u, -779434428u, -3452203069u, -2285701422u, -1568745354u, -823305654u, -3184047862u, -4159715581u, -3160134214u, -3198900547u, -1566527339u, -4194096960u, -1496132623u, -1719108984u, -2584236470u, -531310503u, -3456882941u, -3382290593u, -467441309u, -3241407531u, -2540270567u, -1397502982u, -3348545480u, -811750340u, -1017047954u, -2540585554u, -3531646869u, -943914610u, -1903578924u, -1911188923u, -241574049u, -3181425568u, -3529565564u, -240953857u, -2964595704u, -3828377737u, -4260564140u, -4262383425u, -383233885u, -4051263539u, -919677938u, -1683612329u, -4204155962u, -2283918569u, -4153726847u, -350160869u, -1387233546u, -1891558063u, -740563169u, -330624974u, -2948665536u, -376390582u, -3799363969u, -3187805406u, -2263421398u, -1928519266u, -2746577402u, -2108753646u, -768287270u, -2247006571u, -212490675u, -917121602u, -2549835613u, -2864033668u, -3738062408u, -2006922227u, -2616619070u, -3449066284u, -431292293u, -786322314u, -1415970351u, -3263135197u, -2954777083u, -3206261120u, -2287507921u, -1781944746u, -4081586725u, -1109175923u, -1813855658u, -1129462471u, -1037031473u, -3389003793u, -3122687303u, -1164309901u, -3193251135u, -3626554867u, -3071568023u, -3656006011u, -1167681812u, -3155218919u, -2704165015u, -1854985978u, -1712976649u, -878608872u, -4155949943u, -3163786257u, -1626463554u, -1256485167u, -582664250u, -2083771672u, -804336148u, -2770847216u, -1674051445u, -3992583643u, -2966108111u, -900741486u, -4014551783u, -300318232u, -3517585534u, -542270815u, -760762191u, -1216399252u, -643179562u, -3652676161u, -2990167340u, -3262252593u, -2134299399u, -411263051u, -1342880802u, -1967599860u, -853593042u, -2682611693u, -850464484u, -3286110054u, -3842907484u, -3623364733u, -3693536939u, -1615375832u, -2318423400u, -4145497671u, -1728968857u, -2686506989u, -1502282913u, -2151665147u, -3651607391u, -1178454681u, -4146839064u, -2601416506u, -1448097974u, -238887261u, -4093725287u, -2367569534u, -679517009u, -3539886328u, -3086277222u, -1390394371u, -119173722u, -1766260771u, -751439914u, -215917713u, -2656990891u, -1570750352u, -3533987737u, -3576119563u, -963183826u, -3796810515u, -136547246u, -2592925324u, -427154472u, -1228758574u, -1464255968u, -2984611177u, -2001585786u, -1525438381u, -1348536411u, -2861338018u, -764077711u, -3785343245u, -457568934u, -4104954272u, -2381948487u, -3148473363u, -2180270337u, -1387729170u, -951677556u, -2721005055u, -66786703u, -1149351924u, -1895026827u, -3711056516u, -3638638708u, -2263003308u, -3448840877u, -225333538u, -3797521928u, -3262952567u, -2078619498u, -1178073973u, -3288261538u, -1496966875u, -2481012988u, -114945840u, -1632780103u, -2087949619u, -3787017905u, -2575395164u, -2971726178u, -3642087909u, -3894199764u, -203853421u, -425935223u, -3565833278u, -1748785729u, -580966986u, -2124704694u, -1107045577u, -1067532701u, -1406028344u, -18613994u, -3476683808u, -3762914298u, -1844996900u, -904215228u, -1118521573u, -3657647605u, -3136157065u, -2287683323u, -126005630u, -3555092974u, -49515858u, -1010661841u, -1902040126u, -1400735275u, -2771676666u, -2225229957u, -3454177594u, -2883475137u, -4144472319u, -1051332394u, -542648229u, -1669710469u, -553041029u, -584127807u, -2993670925u, -3587959456u, -1745399498u, -1404723176u, -1334333531u, -3239516985u, -1275954779u, -367320647u, -3684418197u, -4030809053u, -484559105u, -4255931645u, -4271715616u, -3171911678u, -928543347u, -2159512867u, -313902234u, -647086234u, -577214736u, -1130129573u, -995791646u, -1645086060u, -4122335794u, -1064648931u, -2752145076u, -3312498873u, -4238535494u, -1471227427u, -633688562u, -1959779970u, -766642813u, -1380896111u, -3647601207u, -1733961041u, -521947915u, -189164145u, -486382294u, -3770038872u, -3235740744u, -1912506671u, -2276864677u, -1588060152u, -2504457929u, -1471020554u, -3623212998u, -3026631806u, -2342164722u, -1674890530u, -3011542850u, -3549160092u, -4290680005u, -3943068002u, -2273781461u, -2127663659u, -1646681121u, -447810651u, -2366308558u, -970504950u, -2008155560u, -2695940969u, -3444688454u, -1739318893u, -2683090634u, -2774816580u, -437560100u, -512012738u, -3305170944u, -665292744u, -3580039116u, -1579404983u, -3397891494u, -710590371u, -2514565805u, -3624609754u, -3516075816u, -1314000850u, -1935166880u, -3257747610u, -3776931214u, -3183054185u, -675129307u, -3333261712u, -1154611403u, -2759854023u, -1963228038u, -505138315u, -1803966773u, -4032705384u, -798395739u, -3473799845u, -476400898u, -602972493u, -3289878097u, -2520311409u, -3214794876u, -748160407u, -1326769504u, -902775872u, -1372805534u, -1213925114u, -3009384989u, -3781981134u, -2835608783u, -2716786748u, -1669490957u, -1089334066u, -250756920u, -4041016629u, -2495807367u, -2008251381u, -106212622u, -1927268995u, -2251978818u, -3788056262u, -3678660147u, -2656772270u, -1997584981u, -2668998785u, -2954162084u, -845687881u, -776018378u, -2066910012u, -918315064u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; -if (offset == -1) { int alive = 0; IsAlive(farmhashnt::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashnt::Hash32(data, len++)); IsAlive(farmhashnt::Hash32(data, len++)); len -= 3; return alive > 0; } -Check(farmhashnt::Hash32WithSeed(data + offset, len, SEED)); -Check(farmhashnt::Hash32(data + offset, len)); - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashntTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { -cout << farmhashnt::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; -cout << farmhashnt::Hash32(data + offset, len) << "u," << endl; -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashntTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashntTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashntTest::Dump(0, i); - } - farmhashntTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - -static char data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - -// Initialize data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; - memcpy(data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashsaTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -4223616069u, -3696677242u, -4081014168u, -2576519988u, -2212771159u, -1112731063u, -1020067935u, -3955445564u, -1451961420u, -653440099u, -31917516u, -2957164615u, -2590087362u, -3879448744u, -176305566u, -2447367541u, -1359016305u, -3363804638u, -1117290165u, -1062549743u, -2437877004u, -1894455839u, -673206794u, -3486923651u, -3269862919u, -2303349487u, -1380660650u, -595525107u, -1525325287u, -2025609358u, -176408838u, -1592885012u, -864896482u, -2101378090u, -3489229104u, -2118965695u, -581644891u, -2718789079u, -631613207u, -4228658372u, -3867875546u, -3531368319u, -3804516756u, -3317755099u, -1619744564u, -2884717286u, -1088213445u, -2667691076u, -3727873235u, -2330406762u, -858590707u, -123802208u, -4150036245u, -182283099u, -1478882570u, -3282617403u, -819171187u, -1172627392u, -4254302102u, -2957028020u, -437030323u, -2452147680u, -2868246750u, -3530169402u, -3154852132u, -215019192u, -357580983u, -1354454461u, -1108813287u, -2324008118u, -2315997713u, -4181601562u, -1360882441u, -92423273u, -3048866755u, -3369188505u, -3664371439u, -2920710428u, -1027891570u, -2653166430u, -3461888315u, -1475780447u, -292769636u, -1737473313u, -4064110516u, -4170160075u, -762850927u, -3630603695u, -2803307356u, -844987665u, -460980967u, -3005635467u, -2802568977u, -588668033u, -2148940781u, -3239099984u, -1266953698u, -3197808789u, -3519942533u, -2511995334u, -2553810188u, -871667697u, -1358675720u, -1499319171u, -2044931270u, -1210355103u, -807152540u, -3262320756u, -2810214575u, -1813386141u, -4089465863u, -903928165u, -1388899322u, -3209183659u, -834536144u, -2733354550u, -2742289921u, -3689042563u, -2655593281u, -4169686303u, -415985561u, -138892376u, -516115393u, -65683883u, -4162865100u, -889944635u, -313566528u, -3346420907u, -1504303591u, -2256809275u, -742243229u, -779775302u, -3140940172u, -2312556111u, -2304095772u, -1151741606u, -2194712422u, -1714084652u, -3272736835u, -1311540658u, -191179665u, -3996605106u, -1657345233u, -4205442903u, -1553339212u, -2351843044u, -1647502006u, -2525516233u, -292202846u, -1498646290u, -1429323381u, -974274898u, -3759331561u, -2881238887u, -826787221u, -1069622448u, -221991032u, -1462969082u, -2799661508u, -364022781u, -2594244377u, -797773898u, -4097839290u, -1529150125u, -2456805570u, -541503425u, -3936326142u, -3112719954u, -775223581u, -3074018423u, -3198488875u, -1772191849u, -2456535211u, -3154686028u, -1520862019u, -4005829426u, -1306433767u, -1943028506u, -2246000782u, -1057766454u, -3761996982u, -3441075333u, -898641979u, -3450209088u, -3941329307u, -3289922449u, -3085075827u, -1814193220u, -690422997u, -2627846676u, -2653520704u, -3739145533u, -3996776010u, -2287072592u, -1346671698u, -3082629900u, -2298811274u, -3639722036u, -1729419228u, -1836765953u, -3708118742u, -213436u, -950223749u, -3734247682u, -2924575678u, -1382024841u, -2431637732u, -3448846682u, -1341301397u, -4206956590u, -1730650902u, -2581075456u, -1542359141u, -707222542u, -2925350541u, -3846303536u, -3579103295u, -3932175763u, -1339615732u, -848825750u, -1070170828u, -1964973818u, -577060344u, -607721296u, -4031023048u, -406883794u, -3991905552u, -1198544082u, -872468460u, -1044847096u, -3159976313u, -3020028266u, -2108700400u, -3373767922u, -264431841u, -2817097007u, -3700061048u, -1733731531u, -3459415893u, -80378591u, -1479875104u, -19735612u, -1382658977u, -3416562245u, -1959852842u, -2384002344u, -124683828u, -3725782174u, -2300301222u, -393852269u, -1302492002u, -3623776492u, -3787086417u, -1730024749u, -1710531361u, -443700716u, -1461987482u, -671998131u, -3018380746u, -2592292305u, -3390799372u, -3945101155u, -3743494852u, -3716045582u, -996005166u, -320698449u, -3420221765u, -1518157951u, -2555810666u, -3381929684u, -2019638523u, -3088262796u, -2072178906u, -3433649364u, -203906916u, -34663784u, -290301305u, -1188021504u, -3754681145u, -3920313139u, -2840496520u, -1656802962u, -2288475489u, -3399185138u, -1296000826u, -2362384746u, -309633360u, -2719851778u, -776035930u, -3200733043u, -365690832u, -3326378243u, -1500331457u, -1625708592u, -4230903462u, -715344888u, -3363777768u, -2243620288u, -2890765789u, -553154234u, -4044100108u, -4056887320u, -1185656496u, -3671476744u, -1064586897u, -1154949698u, -3493481974u, -1294573722u, -1869224012u, -2530084956u, -995321553u, -833419249u, -563815282u, -250258043u, -2970801822u, -441007535u, -42246961u, -2820426655u, -2878882436u, -2363245780u, -2138489282u, -2972360481u, -2312619393u, -3598664848u, -3071556076u, -776990325u, -3220427357u, -2257939577u, -3817305903u, -1502979698u, -3159755934u, -3955997276u, -2423850008u, -1959927572u, -1219782288u, -4119776679u, -1124253854u, -3678052422u, -2620644947u, -1262408666u, -3480072280u, -2627137665u, -807538749u, -3276646337u, -518510128u, -1137828655u, -1498449110u, -3031692317u, -1125635969u, -1130096111u, -780007336u, -3111856399u, -1014917264u, -780877352u, -2909458336u, -4235949214u, -2423879289u, -275888892u, -3891926795u, -3538163953u, -54815161u, -162228302u, -258154068u, -3554455591u, -1801469029u, -2801563220u, -726560058u, -2450221940u, -3677582978u, -440993800u, -424762443u, -2624525253u, -2587715329u, -2292264424u, -1074856749u, -3294752007u, -3164112672u, -2399146799u, -1920182465u, -3858835361u, -193755240u, -3333610311u, -1757504059u, -2576027039u, -2775253365u, -2939191561u, -1046147275u, -235149906u, -4262218222u, -2900542726u, -2260154702u, -1019551635u, -1194720570u, -3519118691u, -3039483153u, -84918216u, -3053381097u, -2572396843u, -3849763371u, -2782686780u, -3710049554u, -3403430713u, -2346080784u, -2496307442u, -1597281872u, -696018239u, -704625714u, -623026921u, -3182413559u, -3794540330u, -305497722u, -1592680199u, -2377854072u, -3060601746u, -3953057908u, -3941551588u, -1033716182u, -2765716854u, -1309699058u, -3519400181u, -3073370877u, -115583008u, -4032909296u, -2944563574u, -3762753718u, -192842727u, -1711348701u, -3086147235u, -1658229443u, -1479783872u, -3839977157u, -225619117u, -1349684817u, -1964813173u, -565753187u, -2530252046u, -840014353u, -1645183704u, -3668429078u, -3438418557u, -639704059u, -360837811u, -2531807958u, -1572353913u, -2116037299u, -1948437512u, -744553393u, -2380697034u, -3775234105u, -3816065157u, -301868653u, -2960939561u, -3306528247u, -2389296549u, -805918610u, -1759358265u, -1760876328u, -2827601706u, -2944594708u, -3313666458u, -2022601495u, -730938791u, -193539397u, -2026103244u, -802928398u, -2630934308u, -782805818u, -3499326016u, -293509489u, -3646131514u, -3182478647u, -854800333u, -2284531628u, -438528022u, -2339298129u, -1692289216u, -2427728723u, -46501288u, -350652353u, -1355971222u, -889682372u, -944799254u, -2763906061u, -2807550612u, -2683762637u, -100870317u, -2449357318u, -2638348436u, -4206088869u, -1788948473u, -3537588549u, -2782490204u, -134406470u, -2409190528u, -2362439849u, -1861661528u, -2101513194u, -1424834765u, -3581765745u, -3185999525u, -2057487100u, -2303941176u, -3639628788u, -1180265315u, -230437935u, -2108319366u, -1131685143u, -1055685292u, -1509007009u, -1258485140u, -560525005u, -3598799040u, -3835680585u, -1851859628u, -332858996u, -641769248u, -4252450037u, -865386707u, -720719117u, -3133612164u, -3833045874u, -3492515435u, -2465970289u, -4234420011u, -573859916u, -252532886u, -870392318u, -4051320920u, -894929092u, -3748361688u, -699355960u, -1885212350u, -1609756949u, -461896870u, -1337065461u, -1775211059u, -1786193749u, -2815154643u, -2128729882u, -969639529u, -3960427545u, -859416958u, -2739758802u, -2698032197u, -2813292418u, -1985467524u, -396604317u, -4122172759u, -1201259789u, -4282051702u, -3270018895u, -961215209u, -961075860u, -4211926998u, -4088374597u, -577510509u, -3058349487u, -4025377754u, -2815478438u, -471023164u, -3947959608u, -4161486934u, -2299888461u, -1103571511u, -2450153872u, -1839939275u, -108299608u, -858086440u, -1030152945u, -3895328530u, -3009080718u, -3690840454u, -3847025277u, -152331362u, -161365689u, -831319961u, -2166017294u, -3945322722u, -4059970216u, -1420824131u, -2770648308u, -1567250186u, -2181067149u, -1939743488u, -3080158120u, -3435218248u, -2495237495u, -3814085102u, -3180983013u, -3199054292u, -2204745908u, -1140337267u, -2213569784u, -1941879842u, -2105562605u, -3618835614u, -2247103645u, -2492473487u, -856414299u, -166022030u, -4080104712u, -3218935344u, -3284220561u, -4261581452u, -1206944836u, -3496705432u, -2215996876u, -3154627465u, -3384005496u, -742170556u, -1333047620u, -802680366u, -156833431u, -2682100354u, -2493654830u, -584848366u, -1691693131u, -2169934170u, -779968026u, -2099545800u, -1423039695u, -4292110968u, -4266576788u, -149142597u, -748501873u, -3865014822u, -1913588198u, -130285614u, -3500768879u, -915458923u, -3071792750u, -1339986633u, -4143929149u, -4048379479u, -725193827u, -1375113643u, -2425277412u, -4144659274u, -465714768u, -226991589u, -2212127704u, -3936145258u, -2891024846u, -3816000225u, -979331165u, -1749907536u, -53847318u, -1462525833u, -2961425455u, -368859113u, -3572721452u, -453048644u, -1628629918u, -3497673923u, -3619079585u, -139870565u, -1518176798u, -3933074281u, -1878623729u, -2074035641u, -3016759257u, -1313053591u, -2557706970u, -2348296582u, -962370022u, -2337285014u, -1618936717u, -1915877085u, -2743743122u, -3250783882u, -1346652536u, -143311109u, -2443788461u, -1048248964u, -2806619339u, -3263266976u, -1668146349u, -3397428868u, -3276188862u, -1774196343u, -1993847813u, -2771079610u, -476672419u, -2119050359u, -2918326659u, -2245402721u, -2692910474u, -2374383269u, -342400227u, -2961437795u, -3899230368u, -337787132u, -3664444935u, -1269451153u, -2971526729u, -1486511182u, -791070133u, -2570319890u, -3482497490u, -2134230518u, -4273391202u, -1825511330u, -3947753714u, -1389755724u, -3995075516u, -2081052615u, -3626343470u, -4213603435u, -2137917278u, -2898987303u, -3059215715u, -3383237881u, -3003674434u, -409174425u, -1911915604u, -2087728055u, -2942005882u, -3386522440u, -714936074u, -261924004u, -3268784033u, -1141188757u, -2413217552u, -1515163433u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; -if (offset == -1) { int alive = 0; IsAlive(farmhashsa::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashsa::Hash32(data, len++)); IsAlive(farmhashsa::Hash32(data, len++)); len -= 3; return alive > 0; } -Check(farmhashsa::Hash32WithSeed(data + offset, len, SEED)); -Check(farmhashsa::Hash32(data + offset, len)); - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashsaTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { -cout << farmhashsa::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; -cout << farmhashsa::Hash32(data + offset, len) << "u," << endl; -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashsaTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashsaTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashsaTest::Dump(0, i); - } - farmhashsaTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - -static char data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - -// Initialize data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; - memcpy(data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashsuTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -4223616069u, -3696677242u, -4081014168u, -2576519988u, -2212771159u, -1112731063u, -1020067935u, -3955445564u, -1451961420u, -653440099u, -31917516u, -2957164615u, -2590087362u, -3879448744u, -176305566u, -2447367541u, -1359016305u, -3363804638u, -1117290165u, -1062549743u, -2437877004u, -1894455839u, -673206794u, -3486923651u, -3269862919u, -2303349487u, -1380660650u, -595525107u, -1525325287u, -2025609358u, -176408838u, -1592885012u, -864896482u, -2101378090u, 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-2423834608u, -2820147055u, -1378120632u, -1240565187u, -3180720050u, -680831086u, -3309658414u, -1986166490u, -762099827u, -510883662u, -2047373648u, -3606742294u, -3894965352u, -2342078853u, -1091255717u, -776594727u, -3217317445u, -1574468485u, -3844504016u, -2819598918u, -1037401010u, -2550943503u, -3867184001u, -1687911772u, -165313836u, -1679575281u, -2418947263u, -2038774952u, -3913543652u, -3209155736u, -149905221u, -3859604717u, -713919631u, -4069810796u, -1882959164u, -1019939034u, -2379867302u, -3666323035u, -1157389013u, -2422300650u, -3366777340u, -2526452062u, -1313747885u, -1039617868u, -1620553692u, -2032976978u, -578789528u, -1592846839u, -2270630604u, -897850577u, -1603294178u, -3105664807u, -1442670138u, -1728019360u, -79313861u, -1683031101u, -1913067024u, -4070719870u, -708986470u, -2586453359u, -3993348863u, -3358251279u, -3003552537u, -750174793u, -836888956u, -4190747426u, -4251291318u, -4145164938u, -1366883260u, -1912910955u, -510192669u, -1851315039u, -3574241274u, -3220062924u, -2821142039u, -1317082195u, -2274293302u, -1839219569u, -126586168u, -3989293643u, -2680178207u, -347056948u, -799681430u, -2864517481u, -3180404853u, -213140045u, -1956305184u, -1474675286u, -3085723423u, -2841859626u, -308421914u, -3670309263u, -1765052231u, -245459238u, -113434331u, -4079521092u, -2115235526u, -2943408816u, -1055476938u, -1506442339u, -2291296392u, -3267864332u, -1282145528u, -3700108015u, -1932843667u, -2677701670u, -6041177u, -3889648557u, -1461025478u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; -if (offset == -1) { int alive = 0; IsAlive(farmhashsu::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashsu::Hash32(data, len++)); IsAlive(farmhashsu::Hash32(data, len++)); len -= 3; return alive > 0; } -Check(farmhashsu::Hash32WithSeed(data + offset, len, SEED)); -Check(farmhashsu::Hash32(data + offset, len)); - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashsuTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { -cout << farmhashsu::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; -cout << farmhashsu::Hash32(data + offset, len) << "u," << endl; -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashsuTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashsuTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashsuTest::Dump(0, i); - } - farmhashsuTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - -static char data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - -// Initialize data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; - memcpy(data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashteTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -1140953930u, 861465670u, -3277735313u, 2681724312u, -2598464059u, 797982799u, -890626835u, 800175912u, -2603993599u, 921001710u, -1410420968u, 2134990486u, -3283896453u, 1867689945u, -2914424215u, 2244477846u, -255297188u, 2992121793u, -1110588164u, 4186314283u, -161451183u, 3943596029u, -4019337850u, 452431531u, -283198166u, 2741341286u, -3379021470u, 2557197665u, -299850021u, 2532580744u, -452473466u, 1706958772u, -1298374911u, 3099673830u, -2199864459u, 3696623795u, -236935126u, 2976578695u, -4055299123u, 3281581178u, -1053458494u, 1882212500u, -2305012065u, 2169731866u, -3456121707u, 275903667u, -458884671u, 3033004529u, -3058973506u, 2379411653u, -1898235244u, 1402319660u, -2700149065u, 2699376854u, -147814787u, 720739346u, -2433714046u, 4222949502u, -4220361840u, 1712034059u, -3425469811u, 3690733394u, -4148372108u, 1330324210u, -594028478u, 2921867846u, -1635026870u, 192883107u, -780716741u, 1728752234u, -3280331829u, 326029180u, -3969463346u, 1436364519u, -393215742u, 3349570000u, -3824583307u, 1612122221u, -2859809759u, 3808705738u, -1379537552u, 1646032583u, -2233466664u, 1432476832u, -4023053163u, 2650381482u, -2052294713u, 3552092450u, -1628777059u, 1499109081u, -3476440786u, 3829307897u, -2960536756u, 1554038301u, -1145519619u, 3190844552u, -2902102606u, 3600725550u, -237495366u, 540224401u, -65721842u, 489963606u, -1448662590u, 397635823u, -1596489240u, 1562872448u, -1790705123u, 2128624475u, -180854224u, 2604346966u, 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-490570565u, 1684884205u, -793892547u, 1927268995u, -2344148164u, 2251978818u, -437424236u, 2774023200u, -2674940754u, 3788056262u, -2597882666u, 3678660147u, -3797434193u, 3838215866u, -279687080u, 2656772270u, -2190204787u, 1997584981u, -3384401882u, 3160208845u, -3629379425u, 2668998785u, -1050036757u, 2954162084u, -917091826u, 1744374041u, -1454282570u, 845687881u, -2997173625u, 776018378u, -1137560602u, 1938378389u, -1748082354u, 2066910012u, -2677675207u, 918315064u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; -if (offset == -1) { int alive = 0; { uint64_t h = farmhashte::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } -{ uint64_t h = farmhashte::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } -{ uint64_t h = farmhashte::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } -{ uint64_t h = farmhashte::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashteTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { -{ uint64_t h = farmhashte::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -{ uint64_t h = farmhashte::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -{ uint64_t h = farmhashte::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashteTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashteTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashteTest::Dump(0, i); - } - farmhashteTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - -static char data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - -// Initialize data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; - memcpy(data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashuoTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -3277735313u, 2681724312u, -2598464059u, 797982799u, -2603993599u, 921001710u, -1410420968u, 2134990486u, -2914424215u, 2244477846u, -255297188u, 2992121793u, -161451183u, 3943596029u, -4019337850u, 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251085588u, -830410677u, 3172220325u, -3897208579u, 1940535730u, -151909546u, 2384458112u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; -if (offset == -1) { int alive = 0; { uint64_t h = farmhashuo::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } -{ uint64_t h = farmhashuo::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } -{ uint64_t h = farmhashuo::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashuoTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { -{ uint64_t h = farmhashuo::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -{ uint64_t h = farmhashuo::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashuoTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashuoTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashuoTest::Dump(0, i); - } - farmhashuoTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - -static char data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - -// Initialize data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; - memcpy(data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashxoTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -1140953930u, 861465670u, -3277735313u, 2681724312u, -2598464059u, 797982799u, -890626835u, 800175912u, -2603993599u, 921001710u, -1410420968u, 2134990486u, -3283896453u, 1867689945u, -2914424215u, 2244477846u, -255297188u, 2992121793u, -1110588164u, 4186314283u, -161451183u, 3943596029u, -4019337850u, 452431531u, -283198166u, 2741341286u, 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-2154809766u, 3672399742u, -1142139448u, 88299682u, -76727603u, 4198182186u, -2304993586u, 1666387627u, -2488475423u, 3832777692u, -284366017u, 3359785538u, -3469807328u, 2926494787u, -1914195188u, 1134129972u, -3829072836u, 2493478921u, -3738499303u, 3311304980u, -726951526u, 911080963u, -932916545u, 2235559063u, -2909742396u, 1765719309u, -465269850u, 3803621553u, -1456588655u, 508290328u, -1490719640u, 3356513470u, -2262196163u, 1451774941u, -2908490783u, 251085588u, -830410677u, 3172220325u, -4039692645u, 1383603170u, -3897208579u, 1940535730u, -151909546u, 2384458112u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; -if (offset == -1) { int alive = 0; { uint64_t h = farmhashxo::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } -{ uint64_t h = farmhashxo::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } -{ uint64_t h = farmhashxo::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } -{ uint64_t h = farmhashxo::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashxoTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { -{ uint64_t h = farmhashxo::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -{ uint64_t h = farmhashxo::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -{ uint64_t h = farmhashxo::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashxoTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashxoTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashxoTest::Dump(0, i); - } - farmhashxoTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif - -int main() { - farmhashccTest::RunTest(); - farmhashmkTest::RunTest(); - farmhashnaTest::RunTest(); - farmhashntTest::RunTest(); - farmhashsaTest::RunTest(); - farmhashsuTest::RunTest(); - farmhashteTest::RunTest(); - farmhashuoTest::RunTest(); - farmhashxoTest::RunTest(); - __builtin_unreachable(); -} - -#endif // FARMHASHSELFTEST + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); + else return farmhashmk::Hash32Len0to4(s, len, seed); + } + uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); + return Mur(Hash32(s + 24, len - 24) + seed, h); +} + +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +#undef Bswap +#define Bswap Bswap64 + +STATIC_INLINE uint64_t ShiftMix(uint64_t val) { + return val ^ (val >> 47); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { + return Hash128to64(Uint128(u, v)); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { + // Murmur-inspired hashing. + uint64_t a = (u ^ v) * mul; + a ^= (a >> 47); + uint64_t b = (v ^ a) * mul; + b ^= (b >> 47); + b *= mul; + return b; +} + +STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { + if (len >= 8) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) + k2; + uint64_t b = Fetch(s + len - 8); + uint64_t c = Rotate(b, 37) * mul + a; + uint64_t d = (Rotate(a, 25) + b) * mul; + return HashLen16(c, d, mul); + } + if (len >= 4) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch32(s); + return HashLen16(len + (a << 3), Fetch32(s + len - 4), mul); + } + if (len > 0) { + uint8_t a = s[0]; + uint8_t b = s[len >> 1]; + uint8_t c = s[len - 1]; + uint32_t y = static_cast<uint32_t>(a) + (static_cast<uint32_t>(b) << 8); + uint32_t z = len + (static_cast<uint32_t>(c) << 2); + return ShiftMix(y * k2 ^ z * k0) * k2; + } + return k2; +} + +// Return a 16-byte hash for 48 bytes. Quick and dirty. +// Callers do best to use "random-looking" values for a and b. +STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( + uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { + a += w; + b = Rotate(b + a + z, 21); + uint64_t c = a; + a += x; + a += y; + b += Rotate(a, 44); + return make_pair(a + z, b + c); +} + +// Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. +STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( + const char* s, uint64_t a, uint64_t b) { + return WeakHashLen32WithSeeds(Fetch(s), + Fetch(s + 8), + Fetch(s + 16), + Fetch(s + 24), + a, + b); +} + + + +// A subroutine for CityHash128(). Returns a decent 128-bit hash for strings +// of any length representable in signed long. Based on City and Murmur. +STATIC_INLINE uint128_t CityMurmur(const char *s, size_t len, uint128_t seed) { + uint64_t a = Uint128Low64(seed); + uint64_t b = Uint128High64(seed); + uint64_t c = 0; + uint64_t d = 0; + signed long l = len - 16; + if (l <= 0) { // len <= 16 + a = ShiftMix(a * k1) * k1; + c = b * k1 + HashLen0to16(s, len); + d = ShiftMix(a + (len >= 8 ? Fetch(s) : c)); + } else { // len > 16 + c = HashLen16(Fetch(s + len - 8) + k1, a); + d = HashLen16(b + len, c + Fetch(s + len - 16)); + a += d; + do { + a ^= ShiftMix(Fetch(s) * k1) * k1; + a *= k1; + b ^= a; + c ^= ShiftMix(Fetch(s + 8) * k1) * k1; + c *= k1; + d ^= c; + s += 16; + l -= 16; + } while (l > 0); + } + a = HashLen16(a, c); + b = HashLen16(d, b); + return Uint128(a ^ b, HashLen16(b, a)); +} + +uint128_t CityHash128WithSeed(const char *s, size_t len, uint128_t seed) { + if (len < 128) { + return CityMurmur(s, len, seed); + } + + // We expect len >= 128 to be the common case. Keep 56 bytes of state: + // v, w, x, y, and z. + pair<uint64_t, uint64_t> v, w; + uint64_t x = Uint128Low64(seed); + uint64_t y = Uint128High64(seed); + uint64_t z = len * k1; + v.first = Rotate(y ^ k1, 49) * k1 + Fetch(s); + v.second = Rotate(v.first, 42) * k1 + Fetch(s + 8); + w.first = Rotate(y + z, 35) * k1 + x; + w.second = Rotate(x + Fetch(s + 88), 53) * k1; + + // This is the same inner loop as CityHash64(), manually unrolled. + do { + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; + y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; + x ^= w.second; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * k1; + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + s += 64; + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; + y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; + x ^= w.second; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * k1; + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + s += 64; + len -= 128; + } while (LIKELY(len >= 128)); + x += Rotate(v.first + z, 49) * k0; + y = y * k0 + Rotate(w.second, 37); + z = z * k0 + Rotate(w.first, 27); + w.first *= 9; + v.first *= k0; + // If 0 < len < 128, hash up to 4 chunks of 32 bytes each from the end of s. + for (size_t tail_done = 0; tail_done < len; ) { + tail_done += 32; + y = Rotate(x + y, 42) * k0 + v.second; + w.first += Fetch(s + len - tail_done + 16); + x = x * k0 + w.first; + z += w.second + Fetch(s + len - tail_done); + w.second += v.first; + v = WeakHashLen32WithSeeds(s + len - tail_done, v.first + z, v.second); + v.first *= k0; + } + // At this point our 56 bytes of state should contain more than + // enough information for a strong 128-bit hash. We use two + // different 56-byte-to-8-byte hashes to get a 16-byte final result. + x = HashLen16(x, v.first); + y = HashLen16(y + z, w.first); + return Uint128(HashLen16(x + v.second, w.second) + y, + HashLen16(x + w.second, y + v.second)); +} + +STATIC_INLINE uint128_t CityHash128(const char *s, size_t len) { + return len >= 16 ? + CityHash128WithSeed(s + 16, len - 16, + Uint128(Fetch(s), Fetch(s + 8) + k0)) : + CityHash128WithSeed(s, len, Uint128(k0, k1)); +} + +uint128_t Fingerprint128(const char* s, size_t len) { + return CityHash128(s, len); +} +} // namespace farmhashcc +namespace NAMESPACE_FOR_HASH_FUNCTIONS { + +// BASIC STRING HASHING + +// Hash function for a byte array. See also Hash(), below. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint32_t Hash32(const char* s, size_t len) { + return DebugTweak( + (can_use_sse41 & x86_64) ? farmhashnt::Hash32(s, len) : + (can_use_sse42 & can_use_aesni) ? farmhashsu::Hash32(s, len) : + can_use_sse42 ? farmhashsa::Hash32(s, len) : + farmhashmk::Hash32(s, len)); +} + +// Hash function for a byte array. For convenience, a 32-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint32_t Hash32WithSeed(const char* s, size_t len, uint32_t seed) { + return DebugTweak( + (can_use_sse41 & x86_64) ? farmhashnt::Hash32WithSeed(s, len, seed) : + (can_use_sse42 & can_use_aesni) ? farmhashsu::Hash32WithSeed(s, len, seed) : + can_use_sse42 ? farmhashsa::Hash32WithSeed(s, len, seed) : + farmhashmk::Hash32WithSeed(s, len, seed)); +} + +// Hash function for a byte array. For convenience, a 64-bit seed is also +// hashed into the result. See also Hash(), below. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64(const char* s, size_t len) { + return DebugTweak( + (can_use_sse42 & x86_64) ? + farmhashte::Hash64(s, len) : + farmhashxo::Hash64(s, len)); +} + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +size_t Hash(const char* s, size_t len) { + return sizeof(size_t) == 8 ? Hash64(s, len) : Hash32(s, len); +} + +// Hash function for a byte array. For convenience, a 64-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64WithSeed(const char* s, size_t len, uint64_t seed) { + return DebugTweak(farmhashna::Hash64WithSeed(s, len, seed)); +} + +// Hash function for a byte array. For convenience, two seeds are also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64WithSeeds(const char* s, size_t len, uint64_t seed0, uint64_t seed1) { + return DebugTweak(farmhashna::Hash64WithSeeds(s, len, seed0, seed1)); +} + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint128_t Hash128(const char* s, size_t len) { + return DebugTweak(farmhashcc::Fingerprint128(s, len)); +} + +// Hash function for a byte array. For convenience, a 128-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint128_t Hash128WithSeed(const char* s, size_t len, uint128_t seed) { + return DebugTweak(farmhashcc::CityHash128WithSeed(s, len, seed)); +} + +// BASIC NON-STRING HASHING + +// FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) + +// Fingerprint function for a byte array. Most useful in 32-bit binaries. +uint32_t Fingerprint32(const char* s, size_t len) { + return farmhashmk::Hash32(s, len); +} + +// Fingerprint function for a byte array. +uint64_t Fingerprint64(const char* s, size_t len) { + return farmhashna::Hash64(s, len); +} + +// Fingerprint function for a byte array. +uint128_t Fingerprint128(const char* s, size_t len) { + return farmhashcc::Fingerprint128(s, len); +} + +// Older and still available but perhaps not as fast as the above: +// farmhashns::Hash32{,WithSeed}() + +} // namespace NAMESPACE_FOR_HASH_FUNCTIONS + +#if FARMHASHSELFTEST + +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashccTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +1039179260u, 1690343979u, 1018511555u, 2464489001u, +20368522u, 2663783964u, 175201532u, 1619210592u, +4081014168u, +2576519988u, +3285042206u, 502478099u, 739479538u, 1500332790u, +13754768u, 3789353455u, 3473868058u, 1909255088u, +2212771159u, +1112731063u, +826915357u, 2893489933u, 118369799u, 1848668220u, +1308219822u, 249416982u, 64306364u, 4221800195u, +1020067935u, +3955445564u, +563346294u, 550236731u, 2339016688u, 1826259714u, +3872358639u, 2295981050u, 1870005390u, 4015628802u, +1451961420u, +653440099u, +1292493871u, 164377749u, 1717712483u, 463414587u, 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+1907985531u, +3013721395u, 4214533685u, 4198804243u, 534879265u, +1517190881u, 3756787754u, 1152563554u, 1718750948u, +777737463u, +1402478860u, +1824562784u, 1879401449u, 3515818786u, 513165201u, +1423491227u, 2103067918u, 2291777410u, 1097943000u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; IsAlive(farmhashcc::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashcc::Hash32(data, len++)); { uint128_t u = farmhashcc::Fingerprint128(data, len++); uint64_t h = Uint128Low64(u); IsAlive(h >> 32); IsAlive((h << 32) >> 32); h = Uint128High64(u); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } +Check(farmhashcc::Hash32WithSeed(data + offset, len, SEED)); +Check(farmhashcc::Hash32(data + offset, len)); +{ uint128_t u = farmhashcc::Fingerprint128(data + offset, len); uint64_t h = Uint128Low64(u); Check(h >> 32); Check((h << 32) >> 32); h = Uint128High64(u); Check(h >> 32); Check((h << 32) >> 32); } +{ uint128_t u = farmhashcc::CityHash128WithSeed(data + offset, len, Uint128(SEED0, SEED1)); uint64_t h = Uint128Low64(u); Check(h >> 32); Check((h << 32) >> 32); h = Uint128High64(u); Check(h >> 32); Check((h << 32) >> 32); } + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashccTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +cout << farmhashcc::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; +cout << farmhashcc::Hash32(data + offset, len) << "u," << endl; +{ uint128_t u = farmhashcc::Fingerprint128(data + offset, len); uint64_t h = Uint128Low64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u, "; h = Uint128High64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint128_t u = farmhashcc::CityHash128WithSeed(data + offset, len, Uint128(SEED0, SEED1)); uint64_t h = Uint128Low64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u, "; h = Uint128High64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashccTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashccTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashccTest::Dump(0, i); + } + farmhashccTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashmkTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +4081014168u, +2576519988u, +2212771159u, +1112731063u, +1020067935u, +3955445564u, +1451961420u, +653440099u, +31917516u, +2957164615u, +2590087362u, +3879448744u, +176305566u, +2447367541u, +1359016305u, +3363804638u, +1117290165u, +1062549743u, +2437877004u, +1894455839u, +673206794u, +3486923651u, +3269862919u, +2303349487u, +1380660650u, +595525107u, +1525325287u, +2025609358u, +176408838u, +1592885012u, +864896482u, +2101378090u, +3489229104u, +2118965695u, +581644891u, +2718789079u, +631613207u, +4228658372u, +3867875546u, +3531368319u, +3804516756u, +3317755099u, +1619744564u, +2884717286u, +1088213445u, +2667691076u, +3727873235u, +2330406762u, +3616470388u, +967660719u, +4148162586u, +315219121u, +673084328u, +3047602355u, +1598963653u, +1267826661u, +2117362589u, +2861192253u, +1823625377u, +1380350078u, +1641748342u, +1176094482u, +269384321u, +2178982315u, +3480237248u, +2660755208u, +1850544433u, +3429699438u, +1262819303u, +640556464u, +2421125401u, +2188368608u, +2612932825u, +1474432581u, +173790449u, +2124882189u, +831272654u, +622960146u, +4238751051u, +3250317967u, +2120810248u, +1948231495u, +1389029321u, +2200398357u, +2134232963u, +2948072329u, +617717625u, +681164587u, +114859387u, +430545646u, +57239089u, +3163338012u, +3482496399u, +557662576u, +1102441413u, +2670159360u, +991116729u, +846014240u, +4233741566u, +1802317242u, +3129528802u, +1459456375u, +1305643039u, +3258671612u, +1578285833u, +868590079u, +1631034517u, +1695432937u, +561078856u, +1004115553u, +3086090507u, +3818348650u, +731596645u, +780926790u, +2544205955u, +158479164u, +3983514188u, +2004735250u, +3436218400u, +673684751u, +1463431419u, +2880490219u, +3223748024u, +2218318859u, +1474466194u, +2636437533u, +2206794961u, +140995728u, +1186394086u, +1805716888u, +1640037724u, +3942729099u, +1944727013u, +918951560u, +498666871u, +3486974657u, +2967205462u, +1167253804u, +1884281041u, +2866015002u, +4158319270u, +2627220079u, +3733319624u, +3317092271u, +438323662u, +3195868065u, +3426606709u, +360708338u, +1905491012u, +650004803u, +1351266252u, +3133279000u, +3722811115u, +2722412434u, +918432408u, +3678271248u, +269599647u, +621514057u, +3117077855u, +1545425390u, +2597567410u, +1221437820u, +3493254589u, +102787342u, +918861168u, +348795089u, +3439883229u, +2353641807u, +2209585469u, +4035884492u, +2686995435u, +1649888022u, +3852893848u, +3042700028u, +314103172u, +726977769u, +2489830276u, +2872753660u, +1316214989u, +1488801501u, +1811420390u, +639581627u, +2362837215u, +3634581834u, +3648576802u, +1257314182u, +762118371u, +4268447045u, +730167096u, +755561509u, +882614845u, +3696972894u, +228263661u, +1478636142u, +2767751651u, +1532617116u, +3838657661u, +1944359935u, +1401102137u, +3772933173u, +1050098254u, +1658079354u, +1846025728u, +2204244794u, +2017217424u, +1275162853u, +1429816745u, +2175565479u, +1716109139u, +1187506761u, +2434641075u, +2725597783u, +1795687662u, +1393312782u, +3511565397u, +627885430u, +4145733164u, +2519005353u, +231414775u, +1242015635u, +2760723497u, +2185540568u, +727314436u, +2358790354u, +1186393454u, +4234795645u, +350567813u, +866773875u, +3145590392u, +1158374055u, +3903123687u, +1862119793u, +2204587556u, +4266276976u, +4151548555u, +915250402u, +2874695320u, +2360311410u, +1099212769u, +1271542714u, +3473148363u, +1637325418u, +1807795989u, +2493819794u, +3800917924u, +4001205856u, +2582153621u, +3365872040u, +2890146216u, +2626363824u, +3133351295u, +4046827296u, +3053118771u, +4113026751u, +884356716u, +3828347401u, +10608262u, +830987972u, +1841080500u, +3202717763u, +3561778749u, +1906000052u, +3058284660u, +1432904514u, +2567431677u, +2550162530u, +665557986u, +936887821u, +2101205308u, +4253535847u, +1662043545u, +1253611611u, +2091370094u, +2635077370u, +2602176041u, +3624115809u, +748442714u, +2709749154u, +1023493343u, +860291012u, +3924715584u, +1536436740u, +2551145800u, +2391782865u, +1467705048u, +2583909796u, +3616666170u, +1162857372u, +4228631071u, +1510132376u, +2739165009u, +2656606142u, +3454996358u, +3155038853u, +1022087316u, +100044110u, +494208296u, +2746186477u, +4216782431u, +225448834u, +3728320521u, +335282866u, +3148194874u, +953503703u, +1293353960u, +202372387u, +1326119870u, +4045123735u, +3819994846u, +1629004186u, +1081099186u, +3591584153u, +1670825804u, +3404257979u, +3262192301u, +2572846095u, +3714992543u, +4264142572u, +529616678u, +2882154574u, +3006354178u, +3865969421u, +2007174907u, +308283107u, +2629833703u, +3159124075u, +1146492131u, +494104332u, +493149727u, +1342910585u, +521642387u, +2201695937u, +2517980959u, +2426821287u, +777374655u, +2228189792u, +4027055486u, +228976000u, +3842083468u, +1723920223u, +1192126094u, +787744493u, +2740368380u, +2284153001u, +2773829458u, +442000614u, +387830783u, +2169780670u, +2253144627u, +3532502484u, +1969684059u, +1165351416u, +3055056536u, +3582324253u, +231419363u, +770979865u, +3213983597u, +3690452836u, +935794639u, +3230602762u, +2841762457u, +407598927u, +1164479891u, +3721799696u, +354738136u, +1801566618u, +3206038542u, +2621379981u, +1943487262u, +3534745636u, +1074424589u, +1304517521u, +4133400969u, +2339317978u, +2135116860u, +4180643791u, +2415309340u, +1855926417u, +3418648630u, +1968113037u, +597304222u, +3668824865u, +3810008716u, +3014702569u, +3151212026u, +156057449u, +373134533u, +2068234004u, +191580563u, +3832754488u, +2924104199u, +2026044494u, +4065780435u, +122565840u, +4194985167u, +2744823717u, +2494098735u, +3753793370u, +1885739217u, +2488161225u, +3643797615u, +2653367310u, +2494061477u, +189968132u, +899646597u, +392100396u, +4012318310u, +3855777086u, +3566860954u, +2698574996u, +2414249905u, +1330623339u, +1263222732u, +1277741760u, +2194959402u, +1629656136u, +120494320u, +1072368005u, +1084245077u, +4011372748u, +1366613353u, +3108643228u, +3332219532u, +2114746095u, +3964007334u, +371687128u, +1084813876u, +126459896u, +4292782331u, +321283184u, +398168499u, +3604983506u, +560701543u, +2073961354u, +4240841868u, +4151211362u, +1338986875u, +4093476832u, +2269279497u, +3500846299u, +2510225147u, +598000444u, +1330391422u, +1432533385u, +4171226231u, +426821154u, +2932270996u, +3378981077u, +2217871549u, +1619647984u, +4051608043u, +3180237819u, +12919578u, +1375401767u, +371320427u, +2986640571u, +2336669859u, +3796464715u, +1892383284u, +306814912u, +2125823211u, +1863678891u, +3249703818u, +3840225752u, +281579900u, +264680257u, +4266359110u, +4182229890u, +2239659703u, +3627947372u, +2373929191u, +224082765u, +4053639058u, +1862360303u, +3187739624u, +3392706679u, +948039509u, +817505760u, +1215842393u, +3462222651u, +536021853u, +182346832u, +2731944883u, +2346674384u, +2640961678u, +3446695687u, +2271722179u, +1301069656u, +2803881468u, +2832614405u, +1691544398u, +698756814u, +3980620906u, +3565421410u, +754769376u, +4115923404u, +3909962218u, +2747614077u, +2888289845u, +1016920862u, +2790946178u, 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+4183030708u, +2462810989u, +3929965401u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; IsAlive(farmhashmk::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashmk::Hash32(data, len++)); IsAlive(farmhashmk::Hash32(data, len++)); len -= 3; return alive > 0; } +Check(farmhashmk::Hash32WithSeed(data + offset, len, SEED)); +Check(farmhashmk::Hash32(data + offset, len)); + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashmkTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +cout << farmhashmk::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; +cout << farmhashmk::Hash32(data + offset, len) << "u," << endl; +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashmkTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashmkTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashmkTest::Dump(0, i); + } + farmhashmkTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashnaTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +1140953930u, 861465670u, +3277735313u, 2681724312u, +2598464059u, 797982799u, +890626835u, 800175912u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +3283896453u, 1867689945u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +1110588164u, 4186314283u, +161451183u, 3943596029u, +4019337850u, 452431531u, +283198166u, 2741341286u, +3379021470u, 2557197665u, +299850021u, 2532580744u, +452473466u, 1706958772u, +1298374911u, 3099673830u, +2199864459u, 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3647886687u, +3110327607u, 1072658422u, +379861934u, 1557579480u, +4124127129u, 2271365865u, +3880613089u, 739218494u, +547346027u, 388559045u, +3147335977u, 176230425u, +3094853730u, 2554321205u, +1495176194u, 4093461535u, +3521297827u, 4108148413u, +1913727929u, 1177947623u, +1911655402u, 1053371241u, +3265708874u, 1266515850u, +1045540427u, 3194420196u, +3717104621u, 1144474110u, +1464392345u, 52070157u, +4144237690u, 3350490823u, +4166253320u, 2747410691u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; { uint64_t h = farmhashna::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } +{ uint64_t h = farmhashna::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashna::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashna::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashnaTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +{ uint64_t h = farmhashna::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashna::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashna::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashnaTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashnaTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashnaTest::Dump(0, i); + } + farmhashnaTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashntTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +2681724312u, +797982799u, +921001710u, +2134990486u, +2244477846u, +2992121793u, +3943596029u, +452431531u, +2557197665u, +2532580744u, +3099673830u, +3696623795u, +3281581178u, +1882212500u, +275903667u, +3033004529u, +1402319660u, +2699376854u, +4222949502u, +1712034059u, +1330324210u, +2921867846u, +1728752234u, +326029180u, +3349570000u, +1612122221u, +1646032583u, +1432476832u, +3552092450u, +1499109081u, +1554038301u, +3190844552u, +540224401u, +489963606u, +1562872448u, +2128624475u, +1262831810u, +1672724608u, +2077310004u, +1911523866u, +294527927u, +1389770549u, +2026137563u, +629449419u, +2489287368u, +645684964u, +230403464u, +3272648435u, +165370827u, +1230085527u, +3628174014u, +851743255u, +1554380634u, +3667013118u, +2290487377u, +1909203251u, +1498556724u, +4165088768u, +197618179u, +914413116u, +1913303225u, +3117299654u, +1357272220u, +507436733u, +1413396341u, +146044391u, +429095991u, +3056862311u, +366414107u, +2293458109u, +1684583131u, +1170404994u, +520792961u, +1577421232u, +4033596884u, +4229339322u, +3242407770u, +2649785113u, +816692935u, +3555213933u, +517646945u, +2180594090u, +3047062993u, +2391606125u, +382936554u, +788479970u, +2826990641u, +3167748333u, +1758123094u, +389974094u, +3338548567u, +2583576230u, +3198590202u, +4155628142u, +542201663u, +2856634168u, +3948351189u, +4194218315u, +1467786451u, +2743592929u, +1062268187u, +3810665822u, +2560479831u, +997658837u, +3067277639u, +1211737169u, +59581167u, +1389679610u, +4189944477u, +100876854u, +2062343506u, +3088828656u, +3284356565u, +3130054947u, +3532596884u, +3887208531u, +259034107u, +3233195759u, +3200749877u, +760633989u, +1115203611u, +1516407838u, +1778459926u, +2146672889u, +2457048126u, +2217471853u, +862072556u, +3745267835u, +701920051u, +581695350u, +1410111809u, +3326135446u, +2187968410u, +4267859263u, +479241367u, +2868987960u, +704325635u, +1418509533u, +735688735u, +3283299459u, +813690332u, +1439630796u, +3195309868u, +1616408198u, +3254795114u, +2799925823u, +3929484338u, +1798536177u, +4205965408u, +1499475160u, +4247675634u, +3779953975u, +785893184u, +2778575413u, +1160134629u, +823113169u, +4116162021u, +4167766971u, +2487440590u, 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+#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; IsAlive(farmhashnt::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashnt::Hash32(data, len++)); IsAlive(farmhashnt::Hash32(data, len++)); len -= 3; return alive > 0; } +Check(farmhashnt::Hash32WithSeed(data + offset, len, SEED)); +Check(farmhashnt::Hash32(data + offset, len)); + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashntTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +cout << farmhashnt::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; +cout << farmhashnt::Hash32(data + offset, len) << "u," << endl; +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashntTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashntTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashntTest::Dump(0, i); + } + farmhashntTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashsaTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +4081014168u, +2576519988u, +2212771159u, +1112731063u, +1020067935u, +3955445564u, +1451961420u, +653440099u, +31917516u, +2957164615u, +2590087362u, +3879448744u, +176305566u, +2447367541u, +1359016305u, +3363804638u, +1117290165u, +1062549743u, +2437877004u, +1894455839u, +673206794u, +3486923651u, +3269862919u, +2303349487u, +1380660650u, +595525107u, +1525325287u, +2025609358u, +176408838u, +1592885012u, +864896482u, +2101378090u, 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+2918326659u, +2245402721u, +2692910474u, +2374383269u, +342400227u, +2961437795u, +3899230368u, +337787132u, +3664444935u, +1269451153u, +2971526729u, +1486511182u, +791070133u, +2570319890u, +3482497490u, +2134230518u, +4273391202u, +1825511330u, +3947753714u, +1389755724u, +3995075516u, +2081052615u, +3626343470u, +4213603435u, +2137917278u, +2898987303u, +3059215715u, +3383237881u, +3003674434u, +409174425u, +1911915604u, +2087728055u, +2942005882u, +3386522440u, +714936074u, +261924004u, +3268784033u, +1141188757u, +2413217552u, +1515163433u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; IsAlive(farmhashsa::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashsa::Hash32(data, len++)); IsAlive(farmhashsa::Hash32(data, len++)); len -= 3; return alive > 0; } +Check(farmhashsa::Hash32WithSeed(data + offset, len, SEED)); +Check(farmhashsa::Hash32(data + offset, len)); + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashsaTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +cout << farmhashsa::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; +cout << farmhashsa::Hash32(data + offset, len) << "u," << endl; +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashsaTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashsaTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashsaTest::Dump(0, i); + } + farmhashsaTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashsuTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +4081014168u, +2576519988u, +2212771159u, +1112731063u, +1020067935u, +3955445564u, +1451961420u, +653440099u, +31917516u, +2957164615u, +2590087362u, +3879448744u, +176305566u, +2447367541u, +1359016305u, +3363804638u, +1117290165u, +1062549743u, +2437877004u, +1894455839u, +673206794u, +3486923651u, +3269862919u, +2303349487u, +1380660650u, +595525107u, +1525325287u, +2025609358u, +176408838u, +1592885012u, +864896482u, +2101378090u, +3489229104u, +2118965695u, +581644891u, +2718789079u, +631613207u, +4228658372u, +3867875546u, +3531368319u, +3804516756u, +3317755099u, +1619744564u, +2884717286u, +1088213445u, +2667691076u, +3727873235u, +2330406762u, +858590707u, +457744844u, +4150036245u, +2000404290u, +1478882570u, +901678172u, +819171187u, +195942998u, +4254302102u, +3967266927u, +437030323u, +4018009204u, +2868246750u, +3540087514u, +3154852132u, +3319116625u, +357580983u, +3177665294u, +1108813287u, +1253366798u, +2315997713u, +510718750u, +1360882441u, +2770216279u, +3048866755u, +3406961221u, +3664371439u, +1151145514u, +1027891570u, +2699067992u, +3461888315u, +198061905u, +292769636u, +1106771795u, +4064110516u, +3258279756u, +762850927u, +1818699721u, +2803307356u, +3919169404u, +460980967u, +3125535078u, +2802568977u, +3582546426u, +2148940781u, +3963274378u, +1266953698u, +204185123u, +1100034381u, +3009193601u, +4200651967u, +274889605u, +2700589508u, +952511689u, +3765324859u, +3465498478u, +4014967037u, +2070988082u, +2972423530u, +3068638223u, +4156773651u, +489509804u, +1323863238u, +3731914806u, +2846098469u, +2728930632u, +346814072u, +848146907u, +551160669u, +4165126521u, +2039095001u, +4179859388u, +2434936359u, +2764414551u, +238491210u, +732483969u, +3366512764u, +478307468u, +4124179572u, +4142733597u, +1953448206u, +4199329278u, +865077060u, +2627662116u, +2802499360u, +3141206831u, +1959218197u, +911371451u, +125987200u, +2821366175u, +2530992747u, +2409206225u, +117991880u, +2133402461u, +895510531u, +428719601u, +3036014536u, +1223783733u, +733793540u, +970650405u, +547701766u, +570764615u, +3224485368u, +3192714940u, +319942831u, +3940200341u, +362056204u, +2832368105u, +1853281226u, +3296434636u, +3752508307u, +604292768u, +2231940616u, +1204094681u, +866194005u, +2405201650u, +2466384396u, +380829379u, +230033818u, +2783417588u, +4249886729u, +829569301u, +2988322580u, +2299983554u, +74748560u, +737514425u, +3153050211u, +652642663u, +1270205115u, 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+3574241274u, +3220062924u, +2821142039u, +1317082195u, +2274293302u, +1839219569u, +126586168u, +3989293643u, +2680178207u, +347056948u, +799681430u, +2864517481u, +3180404853u, +213140045u, +1956305184u, +1474675286u, +3085723423u, +2841859626u, +308421914u, +3670309263u, +1765052231u, +245459238u, +113434331u, +4079521092u, +2115235526u, +2943408816u, +1055476938u, +1506442339u, +2291296392u, +3267864332u, +1282145528u, +3700108015u, +1932843667u, +2677701670u, +6041177u, +3889648557u, +1461025478u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; IsAlive(farmhashsu::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashsu::Hash32(data, len++)); IsAlive(farmhashsu::Hash32(data, len++)); len -= 3; return alive > 0; } +Check(farmhashsu::Hash32WithSeed(data + offset, len, SEED)); +Check(farmhashsu::Hash32(data + offset, len)); + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashsuTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +cout << farmhashsu::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; +cout << farmhashsu::Hash32(data + offset, len) << "u," << endl; +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashsuTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashsuTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashsuTest::Dump(0, i); + } + farmhashsuTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashteTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +1140953930u, 861465670u, +3277735313u, 2681724312u, +2598464059u, 797982799u, +890626835u, 800175912u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +3283896453u, 1867689945u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +1110588164u, 4186314283u, +161451183u, 3943596029u, +4019337850u, 452431531u, +283198166u, 2741341286u, +3379021470u, 2557197665u, +299850021u, 2532580744u, +452473466u, 1706958772u, +1298374911u, 3099673830u, +2199864459u, 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+490570565u, 1684884205u, +793892547u, 1927268995u, +2344148164u, 2251978818u, +437424236u, 2774023200u, +2674940754u, 3788056262u, +2597882666u, 3678660147u, +3797434193u, 3838215866u, +279687080u, 2656772270u, +2190204787u, 1997584981u, +3384401882u, 3160208845u, +3629379425u, 2668998785u, +1050036757u, 2954162084u, +917091826u, 1744374041u, +1454282570u, 845687881u, +2997173625u, 776018378u, +1137560602u, 1938378389u, +1748082354u, 2066910012u, +2677675207u, 918315064u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; { uint64_t h = farmhashte::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } +{ uint64_t h = farmhashte::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashte::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashte::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashteTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +{ uint64_t h = farmhashte::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashte::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashte::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashteTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashteTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashteTest::Dump(0, i); + } + farmhashteTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashuoTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +3277735313u, 2681724312u, +2598464059u, 797982799u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +161451183u, 3943596029u, +4019337850u, 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251085588u, +830410677u, 3172220325u, +3897208579u, 1940535730u, +151909546u, 2384458112u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; { uint64_t h = farmhashuo::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } +{ uint64_t h = farmhashuo::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashuo::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashuoTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +{ uint64_t h = farmhashuo::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashuo::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashuoTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashuoTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashuoTest::Dump(0, i); + } + farmhashuoTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashxoTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +1140953930u, 861465670u, +3277735313u, 2681724312u, +2598464059u, 797982799u, +890626835u, 800175912u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +3283896453u, 1867689945u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +1110588164u, 4186314283u, +161451183u, 3943596029u, +4019337850u, 452431531u, +283198166u, 2741341286u, 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+2154809766u, 3672399742u, +1142139448u, 88299682u, +76727603u, 4198182186u, +2304993586u, 1666387627u, +2488475423u, 3832777692u, +284366017u, 3359785538u, +3469807328u, 2926494787u, +1914195188u, 1134129972u, +3829072836u, 2493478921u, +3738499303u, 3311304980u, +726951526u, 911080963u, +932916545u, 2235559063u, +2909742396u, 1765719309u, +465269850u, 3803621553u, +1456588655u, 508290328u, +1490719640u, 3356513470u, +2262196163u, 1451774941u, +2908490783u, 251085588u, +830410677u, 3172220325u, +4039692645u, 1383603170u, +3897208579u, 1940535730u, +151909546u, 2384458112u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; { uint64_t h = farmhashxo::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } +{ uint64_t h = farmhashxo::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashxo::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashxo::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashxoTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +{ uint64_t h = farmhashxo::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashxo::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashxo::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashxoTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashxoTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashxoTest::Dump(0, i); + } + farmhashxoTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif + +int main() { + farmhashccTest::RunTest(); + farmhashmkTest::RunTest(); + farmhashnaTest::RunTest(); + farmhashntTest::RunTest(); + farmhashsaTest::RunTest(); + farmhashsuTest::RunTest(); + farmhashteTest::RunTest(); + farmhashuoTest::RunTest(); + farmhashxoTest::RunTest(); + __builtin_unreachable(); +} + +#endif // FARMHASHSELFTEST diff --git a/contrib/libs/farmhash/farmhash.h b/contrib/libs/farmhash/farmhash.h index 95388de696..0f1802ea82 100644 --- a/contrib/libs/farmhash/farmhash.h +++ b/contrib/libs/farmhash/farmhash.h @@ -1,328 +1,328 @@ -// Copyright (c) 2014 Google, Inc. -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. -// -// FarmHash, by Geoff Pike - -// -// http://code.google.com/p/farmhash/ -// -// This file provides a few functions for hashing strings and other -// data. All of them are high-quality functions in the sense that -// they do well on standard tests such as Austin Appleby's SMHasher. -// They're also fast. FarmHash is the successor to CityHash. -// -// Functions in the FarmHash family are not suitable for cryptography. -// -// WARNING: This code has been only lightly tested on big-endian platforms! -// It is known to work well on little-endian platforms that have a small penalty -// for unaligned reads, such as current Intel and AMD moderate-to-high-end CPUs. -// It should work on all 32-bit and 64-bit platforms that allow unaligned reads; -// bug reports are welcome. -// -// By the way, for some hash functions, given strings a and b, the hash -// of a+b is easily derived from the hashes of a and b. This property -// doesn't hold for any hash functions in this file. - -#ifndef FARM_HASH_H_ -#define FARM_HASH_H_ - -#include <assert.h> -#include <stdint.h> -#include <stdlib.h> -#include <string.h> // for memcpy and memset -#include <utility> - -#ifndef NAMESPACE_FOR_HASH_FUNCTIONS -#define NAMESPACE_FOR_HASH_FUNCTIONS util -#endif - -namespace NAMESPACE_FOR_HASH_FUNCTIONS { - -#if defined(FARMHASH_UINT128_T_DEFINED) -#if defined(__clang__) -#if !defined(uint128_t) -#define uint128_t __uint128_t -#endif -#endif -inline uint64_t Uint128Low64(const uint128_t x) { - return static_cast<uint64_t>(x); -} -inline uint64_t Uint128High64(const uint128_t x) { - return static_cast<uint64_t>(x >> 64); -} -inline uint128_t Uint128(uint64_t lo, uint64_t hi) { - return lo + (((uint128_t)hi) << 64); -} -#else -typedef std::pair<uint64_t, uint64_t> uint128_t; -inline uint64_t Uint128Low64(const uint128_t x) { return x.first; } -inline uint64_t Uint128High64(const uint128_t x) { return x.second; } -inline uint128_t Uint128(uint64_t lo, uint64_t hi) { return uint128_t(lo, hi); } -#endif - - -// BASIC STRING HASHING - -// Hash function for a byte array. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -size_t Hash(const char* s, size_t len); - -// Hash function for a byte array. Most useful in 32-bit binaries. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint32_t Hash32(const char* s, size_t len); - -// Hash function for a byte array. For convenience, a 32-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint32_t Hash32WithSeed(const char* s, size_t len, uint32_t seed); - -// Hash function for a byte array. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint64_t Hash64(const char* s, size_t len); - -// Hash function for a byte array. For convenience, a 64-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint64_t Hash64WithSeed(const char* s, size_t len, uint64_t seed); - -// Hash function for a byte array. For convenience, two seeds are also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint64_t Hash64WithSeeds(const char* s, size_t len, - uint64_t seed0, uint64_t seed1); - -// Hash function for a byte array. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint128_t Hash128(const char* s, size_t len); - -// Hash function for a byte array. For convenience, a 128-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint128_t Hash128WithSeed(const char* s, size_t len, uint128_t seed); - -// BASIC NON-STRING HASHING - -// Hash 128 input bits down to 64 bits of output. -// This is intended to be a reasonably good hash function. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -inline uint64_t Hash128to64(uint128_t x) { - // Murmur-inspired hashing. - const uint64_t kMul = 0x9ddfea08eb382d69ULL; - uint64_t a = (Uint128Low64(x) ^ Uint128High64(x)) * kMul; - a ^= (a >> 47); - uint64_t b = (Uint128High64(x) ^ a) * kMul; - b ^= (b >> 47); - b *= kMul; - return b; -} - -// FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) - -// Fingerprint function for a byte array. Most useful in 32-bit binaries. -uint32_t Fingerprint32(const char* s, size_t len); - -// Fingerprint function for a byte array. -uint64_t Fingerprint64(const char* s, size_t len); - -// Fingerprint function for a byte array. -uint128_t Fingerprint128(const char* s, size_t len); - -// This is intended to be a good fingerprinting primitive. -// See below for more overloads. -inline uint64_t Fingerprint(uint128_t x) { - // Murmur-inspired hashing. - const uint64_t kMul = 0x9ddfea08eb382d69ULL; - uint64_t a = (Uint128Low64(x) ^ Uint128High64(x)) * kMul; - a ^= (a >> 47); - uint64_t b = (Uint128High64(x) ^ a) * kMul; - b ^= (b >> 44); - b *= kMul; - b ^= (b >> 41); - b *= kMul; - return b; -} - -// This is intended to be a good fingerprinting primitive. -inline uint64_t Fingerprint(uint64_t x) { - // Murmur-inspired hashing. - const uint64_t kMul = 0x9ddfea08eb382d69ULL; - uint64_t b = x * kMul; - b ^= (b >> 44); - b *= kMul; - b ^= (b >> 41); - b *= kMul; - return b; -} - -#ifndef FARMHASH_NO_CXX_STRING - -// Convenience functions to hash or fingerprint C++ strings. -// These require that Str::data() return a pointer to the first char -// (as a const char*) and that Str::length() return the string's length; -// they work with std::string, for example. - -// Hash function for a byte array. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -template <typename Str> -inline size_t Hash(const Str& s) { - assert(sizeof(s[0]) == 1); - return Hash(s.data(), s.length()); -} - -// Hash function for a byte array. Most useful in 32-bit binaries. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -template <typename Str> -inline uint32_t Hash32(const Str& s) { - assert(sizeof(s[0]) == 1); - return Hash32(s.data(), s.length()); -} - -// Hash function for a byte array. For convenience, a 32-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -template <typename Str> -inline uint32_t Hash32WithSeed(const Str& s, uint32_t seed) { - assert(sizeof(s[0]) == 1); - return Hash32WithSeed(s.data(), s.length(), seed); -} - -// Hash 128 input bits down to 64 bits of output. -// Hash function for a byte array. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -template <typename Str> -inline uint64_t Hash64(const Str& s) { - assert(sizeof(s[0]) == 1); - return Hash64(s.data(), s.length()); -} - -// Hash function for a byte array. For convenience, a 64-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -template <typename Str> -inline uint64_t Hash64WithSeed(const Str& s, uint64_t seed) { - assert(sizeof(s[0]) == 1); - return Hash64WithSeed(s.data(), s.length(), seed); -} - -// Hash function for a byte array. For convenience, two seeds are also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -template <typename Str> -inline uint64_t Hash64WithSeeds(const Str& s, uint64_t seed0, uint64_t seed1) { - assert(sizeof(s[0]) == 1); - return Hash64WithSeeds(s.data(), s.length(), seed0, seed1); -} - -// Hash function for a byte array. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -template <typename Str> -inline uint128_t Hash128(const Str& s) { - assert(sizeof(s[0]) == 1); - return Hash128(s.data(), s.length()); -} - -// Hash function for a byte array. For convenience, a 128-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -template <typename Str> -inline uint128_t Hash128WithSeed(const Str& s, uint128_t seed) { - assert(sizeof(s[0]) == 1); - return Hash128(s.data(), s.length(), seed); -} - -// FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) - -// Fingerprint function for a byte array. Most useful in 32-bit binaries. -template <typename Str> -inline uint32_t Fingerprint32(const Str& s) { - assert(sizeof(s[0]) == 1); - return Fingerprint32(s.data(), s.length()); -} - -// Fingerprint 128 input bits down to 64 bits of output. -// Fingerprint function for a byte array. -template <typename Str> -inline uint64_t Fingerprint64(const Str& s) { - assert(sizeof(s[0]) == 1); - return Fingerprint64(s.data(), s.length()); -} - -// Fingerprint function for a byte array. -template <typename Str> -inline uint128_t Fingerprint128(const Str& s) { - assert(sizeof(s[0]) == 1); - return Fingerprint128(s.data(), s.length()); -} - -#endif - -} // namespace NAMESPACE_FOR_HASH_FUNCTIONS - -/* gently define FARMHASH_BIG_ENDIAN when detected big-endian machine */ -#if defined(__BIG_ENDIAN__) - #if !defined(FARMHASH_BIG_ENDIAN) - #define FARMHASH_BIG_ENDIAN - #endif -#elif defined(__LITTLE_ENDIAN__) - // nothing for little-endian -#elif defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER == __ORDER_LITTLE_ENDIAN__) - // nothing for little-endian -#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER == __ORDER_BIG_ENDIAN__) - #if !defined(FARMHASH_BIG_ENDIAN) - #define FARMHASH_BIG_ENDIAN - #endif -#elif defined(__linux__) || defined(__CYGWIN__) || defined( __GNUC__ ) || defined( __GNU_LIBRARY__ ) - #include <endian.h> // libc6-dev, GLIBC - #if BYTE_ORDER == BIG_ENDIAN - #if !defined(FARMHASH_BIG_ENDIAN) - #define FARMHASH_BIG_ENDIAN - #endif - #endif -#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) - #include <sys/endian.h> - #if BYTE_ORDER == BIG_ENDIAN - #if !defined(FARMHASH_BIG_ENDIAN) - #define FARMHASH_BIG_ENDIAN - #endif - #endif -#elif defined(_WIN32) - // Windows is (currently) little-endian -#else - #error "Unable to determine endianness!" -#endif /* __BIG_ENDIAN__ */ - -#endif // FARM_HASH_H_ +// Copyright (c) 2014 Google, Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// +// FarmHash, by Geoff Pike + +// +// http://code.google.com/p/farmhash/ +// +// This file provides a few functions for hashing strings and other +// data. All of them are high-quality functions in the sense that +// they do well on standard tests such as Austin Appleby's SMHasher. +// They're also fast. FarmHash is the successor to CityHash. +// +// Functions in the FarmHash family are not suitable for cryptography. +// +// WARNING: This code has been only lightly tested on big-endian platforms! +// It is known to work well on little-endian platforms that have a small penalty +// for unaligned reads, such as current Intel and AMD moderate-to-high-end CPUs. +// It should work on all 32-bit and 64-bit platforms that allow unaligned reads; +// bug reports are welcome. +// +// By the way, for some hash functions, given strings a and b, the hash +// of a+b is easily derived from the hashes of a and b. This property +// doesn't hold for any hash functions in this file. + +#ifndef FARM_HASH_H_ +#define FARM_HASH_H_ + +#include <assert.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> // for memcpy and memset +#include <utility> + +#ifndef NAMESPACE_FOR_HASH_FUNCTIONS +#define NAMESPACE_FOR_HASH_FUNCTIONS util +#endif + +namespace NAMESPACE_FOR_HASH_FUNCTIONS { + +#if defined(FARMHASH_UINT128_T_DEFINED) +#if defined(__clang__) +#if !defined(uint128_t) +#define uint128_t __uint128_t +#endif +#endif +inline uint64_t Uint128Low64(const uint128_t x) { + return static_cast<uint64_t>(x); +} +inline uint64_t Uint128High64(const uint128_t x) { + return static_cast<uint64_t>(x >> 64); +} +inline uint128_t Uint128(uint64_t lo, uint64_t hi) { + return lo + (((uint128_t)hi) << 64); +} +#else +typedef std::pair<uint64_t, uint64_t> uint128_t; +inline uint64_t Uint128Low64(const uint128_t x) { return x.first; } +inline uint64_t Uint128High64(const uint128_t x) { return x.second; } +inline uint128_t Uint128(uint64_t lo, uint64_t hi) { return uint128_t(lo, hi); } +#endif + + +// BASIC STRING HASHING + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +size_t Hash(const char* s, size_t len); + +// Hash function for a byte array. Most useful in 32-bit binaries. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint32_t Hash32(const char* s, size_t len); + +// Hash function for a byte array. For convenience, a 32-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint32_t Hash32WithSeed(const char* s, size_t len, uint32_t seed); + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64(const char* s, size_t len); + +// Hash function for a byte array. For convenience, a 64-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64WithSeed(const char* s, size_t len, uint64_t seed); + +// Hash function for a byte array. For convenience, two seeds are also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64WithSeeds(const char* s, size_t len, + uint64_t seed0, uint64_t seed1); + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint128_t Hash128(const char* s, size_t len); + +// Hash function for a byte array. For convenience, a 128-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint128_t Hash128WithSeed(const char* s, size_t len, uint128_t seed); + +// BASIC NON-STRING HASHING + +// Hash 128 input bits down to 64 bits of output. +// This is intended to be a reasonably good hash function. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +inline uint64_t Hash128to64(uint128_t x) { + // Murmur-inspired hashing. + const uint64_t kMul = 0x9ddfea08eb382d69ULL; + uint64_t a = (Uint128Low64(x) ^ Uint128High64(x)) * kMul; + a ^= (a >> 47); + uint64_t b = (Uint128High64(x) ^ a) * kMul; + b ^= (b >> 47); + b *= kMul; + return b; +} + +// FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) + +// Fingerprint function for a byte array. Most useful in 32-bit binaries. +uint32_t Fingerprint32(const char* s, size_t len); + +// Fingerprint function for a byte array. +uint64_t Fingerprint64(const char* s, size_t len); + +// Fingerprint function for a byte array. +uint128_t Fingerprint128(const char* s, size_t len); + +// This is intended to be a good fingerprinting primitive. +// See below for more overloads. +inline uint64_t Fingerprint(uint128_t x) { + // Murmur-inspired hashing. + const uint64_t kMul = 0x9ddfea08eb382d69ULL; + uint64_t a = (Uint128Low64(x) ^ Uint128High64(x)) * kMul; + a ^= (a >> 47); + uint64_t b = (Uint128High64(x) ^ a) * kMul; + b ^= (b >> 44); + b *= kMul; + b ^= (b >> 41); + b *= kMul; + return b; +} + +// This is intended to be a good fingerprinting primitive. +inline uint64_t Fingerprint(uint64_t x) { + // Murmur-inspired hashing. + const uint64_t kMul = 0x9ddfea08eb382d69ULL; + uint64_t b = x * kMul; + b ^= (b >> 44); + b *= kMul; + b ^= (b >> 41); + b *= kMul; + return b; +} + +#ifndef FARMHASH_NO_CXX_STRING + +// Convenience functions to hash or fingerprint C++ strings. +// These require that Str::data() return a pointer to the first char +// (as a const char*) and that Str::length() return the string's length; +// they work with std::string, for example. + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template <typename Str> +inline size_t Hash(const Str& s) { + assert(sizeof(s[0]) == 1); + return Hash(s.data(), s.length()); +} + +// Hash function for a byte array. Most useful in 32-bit binaries. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template <typename Str> +inline uint32_t Hash32(const Str& s) { + assert(sizeof(s[0]) == 1); + return Hash32(s.data(), s.length()); +} + +// Hash function for a byte array. For convenience, a 32-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template <typename Str> +inline uint32_t Hash32WithSeed(const Str& s, uint32_t seed) { + assert(sizeof(s[0]) == 1); + return Hash32WithSeed(s.data(), s.length(), seed); +} + +// Hash 128 input bits down to 64 bits of output. +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template <typename Str> +inline uint64_t Hash64(const Str& s) { + assert(sizeof(s[0]) == 1); + return Hash64(s.data(), s.length()); +} + +// Hash function for a byte array. For convenience, a 64-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template <typename Str> +inline uint64_t Hash64WithSeed(const Str& s, uint64_t seed) { + assert(sizeof(s[0]) == 1); + return Hash64WithSeed(s.data(), s.length(), seed); +} + +// Hash function for a byte array. For convenience, two seeds are also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template <typename Str> +inline uint64_t Hash64WithSeeds(const Str& s, uint64_t seed0, uint64_t seed1) { + assert(sizeof(s[0]) == 1); + return Hash64WithSeeds(s.data(), s.length(), seed0, seed1); +} + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template <typename Str> +inline uint128_t Hash128(const Str& s) { + assert(sizeof(s[0]) == 1); + return Hash128(s.data(), s.length()); +} + +// Hash function for a byte array. For convenience, a 128-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template <typename Str> +inline uint128_t Hash128WithSeed(const Str& s, uint128_t seed) { + assert(sizeof(s[0]) == 1); + return Hash128(s.data(), s.length(), seed); +} + +// FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) + +// Fingerprint function for a byte array. Most useful in 32-bit binaries. +template <typename Str> +inline uint32_t Fingerprint32(const Str& s) { + assert(sizeof(s[0]) == 1); + return Fingerprint32(s.data(), s.length()); +} + +// Fingerprint 128 input bits down to 64 bits of output. +// Fingerprint function for a byte array. +template <typename Str> +inline uint64_t Fingerprint64(const Str& s) { + assert(sizeof(s[0]) == 1); + return Fingerprint64(s.data(), s.length()); +} + +// Fingerprint function for a byte array. +template <typename Str> +inline uint128_t Fingerprint128(const Str& s) { + assert(sizeof(s[0]) == 1); + return Fingerprint128(s.data(), s.length()); +} + +#endif + +} // namespace NAMESPACE_FOR_HASH_FUNCTIONS + +/* gently define FARMHASH_BIG_ENDIAN when detected big-endian machine */ +#if defined(__BIG_ENDIAN__) + #if !defined(FARMHASH_BIG_ENDIAN) + #define FARMHASH_BIG_ENDIAN + #endif +#elif defined(__LITTLE_ENDIAN__) + // nothing for little-endian +#elif defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER == __ORDER_LITTLE_ENDIAN__) + // nothing for little-endian +#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER == __ORDER_BIG_ENDIAN__) + #if !defined(FARMHASH_BIG_ENDIAN) + #define FARMHASH_BIG_ENDIAN + #endif +#elif defined(__linux__) || defined(__CYGWIN__) || defined( __GNUC__ ) || defined( __GNU_LIBRARY__ ) + #include <endian.h> // libc6-dev, GLIBC + #if BYTE_ORDER == BIG_ENDIAN + #if !defined(FARMHASH_BIG_ENDIAN) + #define FARMHASH_BIG_ENDIAN + #endif + #endif +#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) + #include <sys/endian.h> + #if BYTE_ORDER == BIG_ENDIAN + #if !defined(FARMHASH_BIG_ENDIAN) + #define FARMHASH_BIG_ENDIAN + #endif + #endif +#elif defined(_WIN32) + // Windows is (currently) little-endian +#else + #error "Unable to determine endianness!" +#endif /* __BIG_ENDIAN__ */ + +#endif // FARM_HASH_H_ diff --git a/contrib/libs/farmhash/farmhash_iface.cc b/contrib/libs/farmhash/farmhash_iface.cc index a9c3ca77f2..0064662412 100644 --- a/contrib/libs/farmhash/farmhash_iface.cc +++ b/contrib/libs/farmhash/farmhash_iface.cc @@ -1,106 +1,106 @@ -#include "common.h" - -#include "farmhash_iface.h" - -#include <util/system/cpu_id.h> - -namespace NAMESPACE_FOR_HASH_FUNCTIONS { - -// BASIC STRING HASHING - -// Hash function for a byte array. See also Hash(), below. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint32_t Hash32(const char* s, size_t len) { - return DebugTweak( - (NX86::CachedHaveSSE41() & x86_64) ? farmhashnt::Hash32(s, len) : - (NX86::CachedHaveSSE42() & NX86::CachedHaveAES()) ? farmhashsu::Hash32(s, len) : - NX86::CachedHaveSSE42() ? farmhashsa::Hash32(s, len) : - farmhashmk::Hash32(s, len)); -} - -// Hash function for a byte array. For convenience, a 32-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint32_t Hash32WithSeed(const char* s, size_t len, uint32_t seed) { - return DebugTweak( - (NX86::CachedHaveSSE41() & x86_64) ? farmhashnt::Hash32WithSeed(s, len, seed) : - (NX86::CachedHaveSSE42() & NX86::CachedHaveAES()) ? farmhashsu::Hash32WithSeed(s, len, seed) : - NX86::CachedHaveSSE42() ? farmhashsa::Hash32WithSeed(s, len, seed) : - farmhashmk::Hash32WithSeed(s, len, seed)); -} - -// Hash function for a byte array. For convenience, a 64-bit seed is also -// hashed into the result. See also Hash(), below. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint64_t Hash64(const char* s, size_t len) { - return DebugTweak( - (NX86::CachedHaveSSE42() & x86_64) ? - farmhashte::Hash64(s, len) : - farmhashxo::Hash64(s, len)); -} - -// Hash function for a byte array. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -size_t Hash(const char* s, size_t len) { - return sizeof(size_t) == 8 ? Hash64(s, len) : Hash32(s, len); -} - -// Hash function for a byte array. For convenience, a 64-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint64_t Hash64WithSeed(const char* s, size_t len, uint64_t seed) { - return DebugTweak(farmhashna::Hash64WithSeed(s, len, seed)); -} - -// Hash function for a byte array. For convenience, two seeds are also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint64_t Hash64WithSeeds(const char* s, size_t len, uint64_t seed0, uint64_t seed1) { - return DebugTweak(farmhashna::Hash64WithSeeds(s, len, seed0, seed1)); -} - -// Hash function for a byte array. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint128_t Hash128(const char* s, size_t len) { - return DebugTweak(farmhashcc::Fingerprint128(s, len)); -} - -// Hash function for a byte array. For convenience, a 128-bit seed is also -// hashed into the result. -// May change from time to time, may differ on different platforms, may differ -// depending on NDEBUG. -uint128_t Hash128WithSeed(const char* s, size_t len, uint128_t seed) { - return DebugTweak(farmhashcc::CityHash128WithSeed(s, len, seed)); -} - -// BASIC NON-STRING HASHING - -// FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) - -// Fingerprint function for a byte array. Most useful in 32-bit binaries. -uint32_t Fingerprint32(const char* s, size_t len) { - return farmhashmk::Hash32(s, len); -} - -// Fingerprint function for a byte array. -uint64_t Fingerprint64(const char* s, size_t len) { - return farmhashna::Hash64(s, len); -} - -// Fingerprint function for a byte array. -uint128_t Fingerprint128(const char* s, size_t len) { - return farmhashcc::Fingerprint128(s, len); -} - -// Older and still available but perhaps not as fast as the above: -// farmhashns::Hash32{,WithSeed}() - -} // namespace NAMESPACE_FOR_HASH_FUNCTIONS - +#include "common.h" + +#include "farmhash_iface.h" + +#include <util/system/cpu_id.h> + +namespace NAMESPACE_FOR_HASH_FUNCTIONS { + +// BASIC STRING HASHING + +// Hash function for a byte array. See also Hash(), below. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint32_t Hash32(const char* s, size_t len) { + return DebugTweak( + (NX86::CachedHaveSSE41() & x86_64) ? farmhashnt::Hash32(s, len) : + (NX86::CachedHaveSSE42() & NX86::CachedHaveAES()) ? farmhashsu::Hash32(s, len) : + NX86::CachedHaveSSE42() ? farmhashsa::Hash32(s, len) : + farmhashmk::Hash32(s, len)); +} + +// Hash function for a byte array. For convenience, a 32-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint32_t Hash32WithSeed(const char* s, size_t len, uint32_t seed) { + return DebugTweak( + (NX86::CachedHaveSSE41() & x86_64) ? farmhashnt::Hash32WithSeed(s, len, seed) : + (NX86::CachedHaveSSE42() & NX86::CachedHaveAES()) ? farmhashsu::Hash32WithSeed(s, len, seed) : + NX86::CachedHaveSSE42() ? farmhashsa::Hash32WithSeed(s, len, seed) : + farmhashmk::Hash32WithSeed(s, len, seed)); +} + +// Hash function for a byte array. For convenience, a 64-bit seed is also +// hashed into the result. See also Hash(), below. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64(const char* s, size_t len) { + return DebugTweak( + (NX86::CachedHaveSSE42() & x86_64) ? + farmhashte::Hash64(s, len) : + farmhashxo::Hash64(s, len)); +} + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +size_t Hash(const char* s, size_t len) { + return sizeof(size_t) == 8 ? Hash64(s, len) : Hash32(s, len); +} + +// Hash function for a byte array. For convenience, a 64-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64WithSeed(const char* s, size_t len, uint64_t seed) { + return DebugTweak(farmhashna::Hash64WithSeed(s, len, seed)); +} + +// Hash function for a byte array. For convenience, two seeds are also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64WithSeeds(const char* s, size_t len, uint64_t seed0, uint64_t seed1) { + return DebugTweak(farmhashna::Hash64WithSeeds(s, len, seed0, seed1)); +} + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint128_t Hash128(const char* s, size_t len) { + return DebugTweak(farmhashcc::Fingerprint128(s, len)); +} + +// Hash function for a byte array. For convenience, a 128-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint128_t Hash128WithSeed(const char* s, size_t len, uint128_t seed) { + return DebugTweak(farmhashcc::CityHash128WithSeed(s, len, seed)); +} + +// BASIC NON-STRING HASHING + +// FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) + +// Fingerprint function for a byte array. Most useful in 32-bit binaries. +uint32_t Fingerprint32(const char* s, size_t len) { + return farmhashmk::Hash32(s, len); +} + +// Fingerprint function for a byte array. +uint64_t Fingerprint64(const char* s, size_t len) { + return farmhashna::Hash64(s, len); +} + +// Fingerprint function for a byte array. +uint128_t Fingerprint128(const char* s, size_t len) { + return farmhashcc::Fingerprint128(s, len); +} + +// Older and still available but perhaps not as fast as the above: +// farmhashns::Hash32{,WithSeed}() + +} // namespace NAMESPACE_FOR_HASH_FUNCTIONS + diff --git a/contrib/libs/farmhash/farmhash_iface.h b/contrib/libs/farmhash/farmhash_iface.h index 936aafd494..9d5d0a5f9b 100644 --- a/contrib/libs/farmhash/farmhash_iface.h +++ b/contrib/libs/farmhash/farmhash_iface.h @@ -1,28 +1,28 @@ -#define FARMHASH_INTERFACE(name) namespace name { \ - uint32_t Hash32(const char* s, size_t len); \ - uint32_t Hash32WithSeed(const char* s, size_t len, uint32_t seed); \ - uint64_t Hash64(const char* s, size_t len); \ - uint64_t Hash64WithSeed(const char* s, size_t len, uint64_t seed); \ - uint64_t Hash64WithSeeds(const char* s, size_t len, uint64_t seed0, uint64_t seed1); \ - uint128_t Hash128(const char* s, size_t len); \ - uint128_t Hash128WithSeed(const char* s, size_t len, uint128_t seed); \ -} - -namespace farmhashcc { - uint32_t Fingerprint32(const char* s, size_t len); - uint64_t Fingerprint64(const char* s, size_t len); - uint128_t Fingerprint128(const char* s, size_t len); - uint128_t CityHash128WithSeed(const char* s, size_t len, uint128_t seed); -} - -FARMHASH_INTERFACE(farmhashcc) -FARMHASH_INTERFACE(farmhashsa) -FARMHASH_INTERFACE(farmhashsu) -FARMHASH_INTERFACE(farmhashmk) -FARMHASH_INTERFACE(farmhashnt) -FARMHASH_INTERFACE(farmhashte) -FARMHASH_INTERFACE(farmhashxo) -FARMHASH_INTERFACE(farmhashuo) -FARMHASH_INTERFACE(farmhashna) - -#undef FARMHASH_INTERFACE +#define FARMHASH_INTERFACE(name) namespace name { \ + uint32_t Hash32(const char* s, size_t len); \ + uint32_t Hash32WithSeed(const char* s, size_t len, uint32_t seed); \ + uint64_t Hash64(const char* s, size_t len); \ + uint64_t Hash64WithSeed(const char* s, size_t len, uint64_t seed); \ + uint64_t Hash64WithSeeds(const char* s, size_t len, uint64_t seed0, uint64_t seed1); \ + uint128_t Hash128(const char* s, size_t len); \ + uint128_t Hash128WithSeed(const char* s, size_t len, uint128_t seed); \ +} + +namespace farmhashcc { + uint32_t Fingerprint32(const char* s, size_t len); + uint64_t Fingerprint64(const char* s, size_t len); + uint128_t Fingerprint128(const char* s, size_t len); + uint128_t CityHash128WithSeed(const char* s, size_t len, uint128_t seed); +} + +FARMHASH_INTERFACE(farmhashcc) +FARMHASH_INTERFACE(farmhashsa) +FARMHASH_INTERFACE(farmhashsu) +FARMHASH_INTERFACE(farmhashmk) +FARMHASH_INTERFACE(farmhashnt) +FARMHASH_INTERFACE(farmhashte) +FARMHASH_INTERFACE(farmhashxo) +FARMHASH_INTERFACE(farmhashuo) +FARMHASH_INTERFACE(farmhashna) + +#undef FARMHASH_INTERFACE diff --git a/contrib/libs/farmhash/farmhashcc.cc b/contrib/libs/farmhash/farmhashcc.cc index d3e30af4c3..4fc2741048 100644 --- a/contrib/libs/farmhash/farmhashcc.cc +++ b/contrib/libs/farmhash/farmhashcc.cc @@ -1,314 +1,314 @@ -#include "common.h" - -namespace { - #include "farmhashsa.cc" -} - -namespace farmhashcc { -// This file provides a 32-bit hash equivalent to CityHash32 (v1.1.1) -// and a 128-bit hash equivalent to CityHash128 (v1.1.1). It also provides -// a seeded 32-bit hash function similar to CityHash32. - -#undef Fetch -#define Fetch Fetch32 - -#undef Rotate -#define Rotate Rotate32 - -#undef Bswap -#define Bswap Bswap32 - -STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len) { - uint32_t a = Fetch(s - 4 + (len >> 1)); - uint32_t b = Fetch(s + 4); - uint32_t c = Fetch(s + len - 8); - uint32_t d = Fetch(s + (len >> 1)); - uint32_t e = Fetch(s); - uint32_t f = Fetch(s + len - 4); - uint32_t h = len; - - return fmix(Mur(f, Mur(e, Mur(d, Mur(c, Mur(b, Mur(a, h))))))); -} - -STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len) { - uint32_t b = 0; - uint32_t c = 9; - for (size_t i = 0; i < len; i++) { - signed char v = s[i]; - b = b * c1 + v; - c ^= b; - } - return fmix(Mur(b, Mur(len, c))); -} - -STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len) { - uint32_t a = len, b = len * 5, c = 9, d = b; - a += Fetch(s); - b += Fetch(s + len - 4); - c += Fetch(s + ((len >> 1) & 4)); - return fmix(Mur(c, Mur(b, Mur(a, d)))); -} - -uint32_t Hash32(const char *s, size_t len) { - if (len <= 24) { - return len <= 12 ? - (len <= 4 ? Hash32Len0to4(s, len) : Hash32Len5to12(s, len)) : - Hash32Len13to24(s, len); - } - - // len > 24 - uint32_t h = len, g = c1 * len, f = g; - uint32_t a0 = Rotate(Fetch(s + len - 4) * c1, 17) * c2; - uint32_t a1 = Rotate(Fetch(s + len - 8) * c1, 17) * c2; - uint32_t a2 = Rotate(Fetch(s + len - 16) * c1, 17) * c2; - uint32_t a3 = Rotate(Fetch(s + len - 12) * c1, 17) * c2; - uint32_t a4 = Rotate(Fetch(s + len - 20) * c1, 17) * c2; - h ^= a0; - h = Rotate(h, 19); - h = h * 5 + 0xe6546b64; - h ^= a2; - h = Rotate(h, 19); - h = h * 5 + 0xe6546b64; - g ^= a1; - g = Rotate(g, 19); - g = g * 5 + 0xe6546b64; - g ^= a3; - g = Rotate(g, 19); - g = g * 5 + 0xe6546b64; - f += a4; - f = Rotate(f, 19); - f = f * 5 + 0xe6546b64; - size_t iters = (len - 1) / 20; - do { - uint32_t a0 = Rotate(Fetch(s) * c1, 17) * c2; - uint32_t a1 = Fetch(s + 4); - uint32_t a2 = Rotate(Fetch(s + 8) * c1, 17) * c2; - uint32_t a3 = Rotate(Fetch(s + 12) * c1, 17) * c2; - uint32_t a4 = Fetch(s + 16); - h ^= a0; - h = Rotate(h, 18); - h = h * 5 + 0xe6546b64; - f += a1; - f = Rotate(f, 19); - f = f * c1; - g += a2; - g = Rotate(g, 18); - g = g * 5 + 0xe6546b64; - h ^= a3 + a1; - h = Rotate(h, 19); - h = h * 5 + 0xe6546b64; - g ^= a4; - g = Bswap(g) * 5; - h += a4 * 5; - h = Bswap(h); - f += a0; - PERMUTE3(f, h, g); - s += 20; - } while (--iters != 0); - g = Rotate(g, 11) * c1; - g = Rotate(g, 17) * c1; - f = Rotate(f, 11) * c1; - f = Rotate(f, 17) * c1; - h = Rotate(h + g, 19); - h = h * 5 + 0xe6546b64; - h = Rotate(h, 17) * c1; - h = Rotate(h + f, 19); - h = h * 5 + 0xe6546b64; - h = Rotate(h, 17) * c1; - return h; -} - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - if (len <= 24) { - if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); - else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); - else return farmhashmk::Hash32Len0to4(s, len, seed); - } - uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); - return Mur(Hash32(s + 24, len - 24) + seed, h); -} - -#undef Fetch -#define Fetch Fetch64 - -#undef Rotate -#define Rotate Rotate64 - -#undef Bswap -#define Bswap Bswap64 - -STATIC_INLINE uint64_t ShiftMix(uint64_t val) { - return val ^ (val >> 47); -} - -STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { - return Hash128to64(Uint128(u, v)); -} - -STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { - // Murmur-inspired hashing. - uint64_t a = (u ^ v) * mul; - a ^= (a >> 47); - uint64_t b = (v ^ a) * mul; - b ^= (b >> 47); - b *= mul; - return b; -} - -STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { - if (len >= 8) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch(s) + k2; - uint64_t b = Fetch(s + len - 8); - uint64_t c = Rotate(b, 37) * mul + a; - uint64_t d = (Rotate(a, 25) + b) * mul; - return HashLen16(c, d, mul); - } - if (len >= 4) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch32(s); - return HashLen16(len + (a << 3), Fetch32(s + len - 4), mul); - } - if (len > 0) { - uint8_t a = s[0]; - uint8_t b = s[len >> 1]; - uint8_t c = s[len - 1]; - uint32_t y = static_cast<uint32_t>(a) + (static_cast<uint32_t>(b) << 8); - uint32_t z = len + (static_cast<uint32_t>(c) << 2); - return ShiftMix(y * k2 ^ z * k0) * k2; - } - return k2; -} - -// Return a 16-byte hash for 48 bytes. Quick and dirty. -// Callers do best to use "random-looking" values for a and b. -STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( - uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { - a += w; - b = Rotate(b + a + z, 21); - uint64_t c = a; - a += x; - a += y; - b += Rotate(a, 44); - return make_pair(a + z, b + c); -} - -// Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. -STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( - const char* s, uint64_t a, uint64_t b) { - return WeakHashLen32WithSeeds(Fetch(s), - Fetch(s + 8), - Fetch(s + 16), - Fetch(s + 24), - a, - b); -} - - - -// A subroutine for CityHash128(). Returns a decent 128-bit hash for strings -// of any length representable in signed long. Based on City and Murmur. -STATIC_INLINE uint128_t CityMurmur(const char *s, size_t len, uint128_t seed) { - uint64_t a = Uint128Low64(seed); - uint64_t b = Uint128High64(seed); - uint64_t c = 0; - uint64_t d = 0; - signed long l = len - 16; - if (l <= 0) { // len <= 16 - a = ShiftMix(a * k1) * k1; - c = b * k1 + HashLen0to16(s, len); - d = ShiftMix(a + (len >= 8 ? Fetch(s) : c)); - } else { // len > 16 - c = HashLen16(Fetch(s + len - 8) + k1, a); - d = HashLen16(b + len, c + Fetch(s + len - 16)); - a += d; - do { - a ^= ShiftMix(Fetch(s) * k1) * k1; - a *= k1; - b ^= a; - c ^= ShiftMix(Fetch(s + 8) * k1) * k1; - c *= k1; - d ^= c; - s += 16; - l -= 16; - } while (l > 0); - } - a = HashLen16(a, c); - b = HashLen16(d, b); - return Uint128(a ^ b, HashLen16(b, a)); -} - -uint128_t CityHash128WithSeed(const char *s, size_t len, uint128_t seed) { - if (len < 128) { - return CityMurmur(s, len, seed); - } - - // We expect len >= 128 to be the common case. Keep 56 bytes of state: - // v, w, x, y, and z. - pair<uint64_t, uint64_t> v, w; - uint64_t x = Uint128Low64(seed); - uint64_t y = Uint128High64(seed); - uint64_t z = len * k1; - v.first = Rotate(y ^ k1, 49) * k1 + Fetch(s); - v.second = Rotate(v.first, 42) * k1 + Fetch(s + 8); - w.first = Rotate(y + z, 35) * k1 + x; - w.second = Rotate(x + Fetch(s + 88), 53) * k1; - - // This is the same inner loop as CityHash64(), manually unrolled. - do { - x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; - y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; - x ^= w.second; - y += v.first + Fetch(s + 40); - z = Rotate(z + w.first, 33) * k1; - v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); - w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); - std::swap(z, x); - s += 64; - x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; - y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; - x ^= w.second; - y += v.first + Fetch(s + 40); - z = Rotate(z + w.first, 33) * k1; - v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); - w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); - std::swap(z, x); - s += 64; - len -= 128; - } while (LIKELY(len >= 128)); - x += Rotate(v.first + z, 49) * k0; - y = y * k0 + Rotate(w.second, 37); - z = z * k0 + Rotate(w.first, 27); - w.first *= 9; - v.first *= k0; - // If 0 < len < 128, hash up to 4 chunks of 32 bytes each from the end of s. - for (size_t tail_done = 0; tail_done < len; ) { - tail_done += 32; - y = Rotate(x + y, 42) * k0 + v.second; - w.first += Fetch(s + len - tail_done + 16); - x = x * k0 + w.first; - z += w.second + Fetch(s + len - tail_done); - w.second += v.first; - v = WeakHashLen32WithSeeds(s + len - tail_done, v.first + z, v.second); - v.first *= k0; - } - // At this point our 56 bytes of state should contain more than - // enough information for a strong 128-bit hash. We use two - // different 56-byte-to-8-byte hashes to get a 16-byte final result. - x = HashLen16(x, v.first); - y = HashLen16(y + z, w.first); - return Uint128(HashLen16(x + v.second, w.second) + y, - HashLen16(x + w.second, y + v.second)); -} - -STATIC_INLINE uint128_t CityHash128(const char *s, size_t len) { - return len >= 16 ? - CityHash128WithSeed(s + 16, len - 16, - Uint128(Fetch(s), Fetch(s + 8) + k0)) : - CityHash128WithSeed(s, len, Uint128(k0, k1)); -} - -uint128_t Fingerprint128(const char* s, size_t len) { - return CityHash128(s, len); -} -} // namespace farmhashcc +#include "common.h" + +namespace { + #include "farmhashsa.cc" +} + +namespace farmhashcc { +// This file provides a 32-bit hash equivalent to CityHash32 (v1.1.1) +// and a 128-bit hash equivalent to CityHash128 (v1.1.1). It also provides +// a seeded 32-bit hash function similar to CityHash32. + +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len) { + uint32_t a = Fetch(s - 4 + (len >> 1)); + uint32_t b = Fetch(s + 4); + uint32_t c = Fetch(s + len - 8); + uint32_t d = Fetch(s + (len >> 1)); + uint32_t e = Fetch(s); + uint32_t f = Fetch(s + len - 4); + uint32_t h = len; + + return fmix(Mur(f, Mur(e, Mur(d, Mur(c, Mur(b, Mur(a, h))))))); +} + +STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len) { + uint32_t b = 0; + uint32_t c = 9; + for (size_t i = 0; i < len; i++) { + signed char v = s[i]; + b = b * c1 + v; + c ^= b; + } + return fmix(Mur(b, Mur(len, c))); +} + +STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len) { + uint32_t a = len, b = len * 5, c = 9, d = b; + a += Fetch(s); + b += Fetch(s + len - 4); + c += Fetch(s + ((len >> 1) & 4)); + return fmix(Mur(c, Mur(b, Mur(a, d)))); +} + +uint32_t Hash32(const char *s, size_t len) { + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? Hash32Len0to4(s, len) : Hash32Len5to12(s, len)) : + Hash32Len13to24(s, len); + } + + // len > 24 + uint32_t h = len, g = c1 * len, f = g; + uint32_t a0 = Rotate(Fetch(s + len - 4) * c1, 17) * c2; + uint32_t a1 = Rotate(Fetch(s + len - 8) * c1, 17) * c2; + uint32_t a2 = Rotate(Fetch(s + len - 16) * c1, 17) * c2; + uint32_t a3 = Rotate(Fetch(s + len - 12) * c1, 17) * c2; + uint32_t a4 = Rotate(Fetch(s + len - 20) * c1, 17) * c2; + h ^= a0; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + h ^= a2; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + g ^= a1; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + g ^= a3; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + f += a4; + f = Rotate(f, 19); + f = f * 5 + 0xe6546b64; + size_t iters = (len - 1) / 20; + do { + uint32_t a0 = Rotate(Fetch(s) * c1, 17) * c2; + uint32_t a1 = Fetch(s + 4); + uint32_t a2 = Rotate(Fetch(s + 8) * c1, 17) * c2; + uint32_t a3 = Rotate(Fetch(s + 12) * c1, 17) * c2; + uint32_t a4 = Fetch(s + 16); + h ^= a0; + h = Rotate(h, 18); + h = h * 5 + 0xe6546b64; + f += a1; + f = Rotate(f, 19); + f = f * c1; + g += a2; + g = Rotate(g, 18); + g = g * 5 + 0xe6546b64; + h ^= a3 + a1; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + g ^= a4; + g = Bswap(g) * 5; + h += a4 * 5; + h = Bswap(h); + f += a0; + PERMUTE3(f, h, g); + s += 20; + } while (--iters != 0); + g = Rotate(g, 11) * c1; + g = Rotate(g, 17) * c1; + f = Rotate(f, 11) * c1; + f = Rotate(f, 17) * c1; + h = Rotate(h + g, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + h = Rotate(h + f, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + return h; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); + else return farmhashmk::Hash32Len0to4(s, len, seed); + } + uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); + return Mur(Hash32(s + 24, len - 24) + seed, h); +} + +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +#undef Bswap +#define Bswap Bswap64 + +STATIC_INLINE uint64_t ShiftMix(uint64_t val) { + return val ^ (val >> 47); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { + return Hash128to64(Uint128(u, v)); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { + // Murmur-inspired hashing. + uint64_t a = (u ^ v) * mul; + a ^= (a >> 47); + uint64_t b = (v ^ a) * mul; + b ^= (b >> 47); + b *= mul; + return b; +} + +STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { + if (len >= 8) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) + k2; + uint64_t b = Fetch(s + len - 8); + uint64_t c = Rotate(b, 37) * mul + a; + uint64_t d = (Rotate(a, 25) + b) * mul; + return HashLen16(c, d, mul); + } + if (len >= 4) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch32(s); + return HashLen16(len + (a << 3), Fetch32(s + len - 4), mul); + } + if (len > 0) { + uint8_t a = s[0]; + uint8_t b = s[len >> 1]; + uint8_t c = s[len - 1]; + uint32_t y = static_cast<uint32_t>(a) + (static_cast<uint32_t>(b) << 8); + uint32_t z = len + (static_cast<uint32_t>(c) << 2); + return ShiftMix(y * k2 ^ z * k0) * k2; + } + return k2; +} + +// Return a 16-byte hash for 48 bytes. Quick and dirty. +// Callers do best to use "random-looking" values for a and b. +STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( + uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { + a += w; + b = Rotate(b + a + z, 21); + uint64_t c = a; + a += x; + a += y; + b += Rotate(a, 44); + return make_pair(a + z, b + c); +} + +// Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. +STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( + const char* s, uint64_t a, uint64_t b) { + return WeakHashLen32WithSeeds(Fetch(s), + Fetch(s + 8), + Fetch(s + 16), + Fetch(s + 24), + a, + b); +} + + + +// A subroutine for CityHash128(). Returns a decent 128-bit hash for strings +// of any length representable in signed long. Based on City and Murmur. +STATIC_INLINE uint128_t CityMurmur(const char *s, size_t len, uint128_t seed) { + uint64_t a = Uint128Low64(seed); + uint64_t b = Uint128High64(seed); + uint64_t c = 0; + uint64_t d = 0; + signed long l = len - 16; + if (l <= 0) { // len <= 16 + a = ShiftMix(a * k1) * k1; + c = b * k1 + HashLen0to16(s, len); + d = ShiftMix(a + (len >= 8 ? Fetch(s) : c)); + } else { // len > 16 + c = HashLen16(Fetch(s + len - 8) + k1, a); + d = HashLen16(b + len, c + Fetch(s + len - 16)); + a += d; + do { + a ^= ShiftMix(Fetch(s) * k1) * k1; + a *= k1; + b ^= a; + c ^= ShiftMix(Fetch(s + 8) * k1) * k1; + c *= k1; + d ^= c; + s += 16; + l -= 16; + } while (l > 0); + } + a = HashLen16(a, c); + b = HashLen16(d, b); + return Uint128(a ^ b, HashLen16(b, a)); +} + +uint128_t CityHash128WithSeed(const char *s, size_t len, uint128_t seed) { + if (len < 128) { + return CityMurmur(s, len, seed); + } + + // We expect len >= 128 to be the common case. Keep 56 bytes of state: + // v, w, x, y, and z. + pair<uint64_t, uint64_t> v, w; + uint64_t x = Uint128Low64(seed); + uint64_t y = Uint128High64(seed); + uint64_t z = len * k1; + v.first = Rotate(y ^ k1, 49) * k1 + Fetch(s); + v.second = Rotate(v.first, 42) * k1 + Fetch(s + 8); + w.first = Rotate(y + z, 35) * k1 + x; + w.second = Rotate(x + Fetch(s + 88), 53) * k1; + + // This is the same inner loop as CityHash64(), manually unrolled. + do { + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; + y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; + x ^= w.second; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * k1; + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + s += 64; + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; + y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; + x ^= w.second; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * k1; + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + s += 64; + len -= 128; + } while (LIKELY(len >= 128)); + x += Rotate(v.first + z, 49) * k0; + y = y * k0 + Rotate(w.second, 37); + z = z * k0 + Rotate(w.first, 27); + w.first *= 9; + v.first *= k0; + // If 0 < len < 128, hash up to 4 chunks of 32 bytes each from the end of s. + for (size_t tail_done = 0; tail_done < len; ) { + tail_done += 32; + y = Rotate(x + y, 42) * k0 + v.second; + w.first += Fetch(s + len - tail_done + 16); + x = x * k0 + w.first; + z += w.second + Fetch(s + len - tail_done); + w.second += v.first; + v = WeakHashLen32WithSeeds(s + len - tail_done, v.first + z, v.second); + v.first *= k0; + } + // At this point our 56 bytes of state should contain more than + // enough information for a strong 128-bit hash. We use two + // different 56-byte-to-8-byte hashes to get a 16-byte final result. + x = HashLen16(x, v.first); + y = HashLen16(y + z, w.first); + return Uint128(HashLen16(x + v.second, w.second) + y, + HashLen16(x + w.second, y + v.second)); +} + +STATIC_INLINE uint128_t CityHash128(const char *s, size_t len) { + return len >= 16 ? + CityHash128WithSeed(s + 16, len - 16, + Uint128(Fetch(s), Fetch(s + 8) + k0)) : + CityHash128WithSeed(s, len, Uint128(k0, k1)); +} + +uint128_t Fingerprint128(const char* s, size_t len) { + return CityHash128(s, len); +} +} // namespace farmhashcc diff --git a/contrib/libs/farmhash/farmhashmk.cc b/contrib/libs/farmhash/farmhashmk.cc index 2580400292..1f9072f495 100644 --- a/contrib/libs/farmhash/farmhashmk.cc +++ b/contrib/libs/farmhash/farmhashmk.cc @@ -1,120 +1,120 @@ -#include "common.h" - -namespace { - #include "farmhashnt.cc" -} - -namespace farmhashmk { -#undef Fetch -#define Fetch Fetch32 - -#undef Rotate -#define Rotate Rotate32 - -#undef Bswap -#define Bswap Bswap32 - -STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len, uint32_t seed = 0) { - uint32_t a = Fetch(s - 4 + (len >> 1)); - uint32_t b = Fetch(s + 4); - uint32_t c = Fetch(s + len - 8); - uint32_t d = Fetch(s + (len >> 1)); - uint32_t e = Fetch(s); - uint32_t f = Fetch(s + len - 4); - uint32_t h = d * c1 + len + seed; - a = Rotate(a, 12) + f; - h = Mur(c, h) + a; - a = Rotate(a, 3) + c; - h = Mur(e, h) + a; - a = Rotate(a + f, 12) + d; - h = Mur(b ^ seed, h) + a; - return fmix(h); -} - -STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len, uint32_t seed = 0) { - uint32_t b = seed; - uint32_t c = 9; - for (size_t i = 0; i < len; i++) { - signed char v = s[i]; - b = b * c1 + v; - c ^= b; - } - return fmix(Mur(b, Mur(len, c))); -} - -STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len, uint32_t seed = 0) { - uint32_t a = len, b = len * 5, c = 9, d = b + seed; - a += Fetch(s); - b += Fetch(s + len - 4); - c += Fetch(s + ((len >> 1) & 4)); - return fmix(seed ^ Mur(c, Mur(b, Mur(a, d)))); -} - -uint32_t Hash32(const char *s, size_t len) { - if (len <= 24) { - return len <= 12 ? - (len <= 4 ? Hash32Len0to4(s, len) : Hash32Len5to12(s, len)) : - Hash32Len13to24(s, len); - } - - // len > 24 - uint32_t h = len, g = c1 * len, f = g; - uint32_t a0 = Rotate(Fetch(s + len - 4) * c1, 17) * c2; - uint32_t a1 = Rotate(Fetch(s + len - 8) * c1, 17) * c2; - uint32_t a2 = Rotate(Fetch(s + len - 16) * c1, 17) * c2; - uint32_t a3 = Rotate(Fetch(s + len - 12) * c1, 17) * c2; - uint32_t a4 = Rotate(Fetch(s + len - 20) * c1, 17) * c2; - h ^= a0; - h = Rotate(h, 19); - h = h * 5 + 0xe6546b64; - h ^= a2; - h = Rotate(h, 19); - h = h * 5 + 0xe6546b64; - g ^= a1; - g = Rotate(g, 19); - g = g * 5 + 0xe6546b64; - g ^= a3; - g = Rotate(g, 19); - g = g * 5 + 0xe6546b64; - f += a4; - f = Rotate(f, 19) + 113; - size_t iters = (len - 1) / 20; - do { - uint32_t a = Fetch(s); - uint32_t b = Fetch(s + 4); - uint32_t c = Fetch(s + 8); - uint32_t d = Fetch(s + 12); - uint32_t e = Fetch(s + 16); - h += a; - g += b; - f += c; - h = Mur(d, h) + e; - g = Mur(c, g) + a; - f = Mur(b + e * c1, f) + d; - f += g; - g += f; - s += 20; - } while (--iters != 0); - g = Rotate(g, 11) * c1; - g = Rotate(g, 17) * c1; - f = Rotate(f, 11) * c1; - f = Rotate(f, 17) * c1; - h = Rotate(h + g, 19); - h = h * 5 + 0xe6546b64; - h = Rotate(h, 17) * c1; - h = Rotate(h + f, 19); - h = h * 5 + 0xe6546b64; - h = Rotate(h, 17) * c1; - return h; -} - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - if (len <= 24) { - if (len >= 13) return Hash32Len13to24(s, len, seed * c1); - else if (len >= 5) return Hash32Len5to12(s, len, seed); - else return Hash32Len0to4(s, len, seed); - } - uint32_t h = Hash32Len13to24(s, 24, seed ^ len); - return Mur(Hash32(s + 24, len - 24) + seed, h); -} -} // namespace farmhashmk +#include "common.h" + +namespace { + #include "farmhashnt.cc" +} + +namespace farmhashmk { +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len, uint32_t seed = 0) { + uint32_t a = Fetch(s - 4 + (len >> 1)); + uint32_t b = Fetch(s + 4); + uint32_t c = Fetch(s + len - 8); + uint32_t d = Fetch(s + (len >> 1)); + uint32_t e = Fetch(s); + uint32_t f = Fetch(s + len - 4); + uint32_t h = d * c1 + len + seed; + a = Rotate(a, 12) + f; + h = Mur(c, h) + a; + a = Rotate(a, 3) + c; + h = Mur(e, h) + a; + a = Rotate(a + f, 12) + d; + h = Mur(b ^ seed, h) + a; + return fmix(h); +} + +STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len, uint32_t seed = 0) { + uint32_t b = seed; + uint32_t c = 9; + for (size_t i = 0; i < len; i++) { + signed char v = s[i]; + b = b * c1 + v; + c ^= b; + } + return fmix(Mur(b, Mur(len, c))); +} + +STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len, uint32_t seed = 0) { + uint32_t a = len, b = len * 5, c = 9, d = b + seed; + a += Fetch(s); + b += Fetch(s + len - 4); + c += Fetch(s + ((len >> 1) & 4)); + return fmix(seed ^ Mur(c, Mur(b, Mur(a, d)))); +} + +uint32_t Hash32(const char *s, size_t len) { + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? Hash32Len0to4(s, len) : Hash32Len5to12(s, len)) : + Hash32Len13to24(s, len); + } + + // len > 24 + uint32_t h = len, g = c1 * len, f = g; + uint32_t a0 = Rotate(Fetch(s + len - 4) * c1, 17) * c2; + uint32_t a1 = Rotate(Fetch(s + len - 8) * c1, 17) * c2; + uint32_t a2 = Rotate(Fetch(s + len - 16) * c1, 17) * c2; + uint32_t a3 = Rotate(Fetch(s + len - 12) * c1, 17) * c2; + uint32_t a4 = Rotate(Fetch(s + len - 20) * c1, 17) * c2; + h ^= a0; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + h ^= a2; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + g ^= a1; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + g ^= a3; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + f += a4; + f = Rotate(f, 19) + 113; + size_t iters = (len - 1) / 20; + do { + uint32_t a = Fetch(s); + uint32_t b = Fetch(s + 4); + uint32_t c = Fetch(s + 8); + uint32_t d = Fetch(s + 12); + uint32_t e = Fetch(s + 16); + h += a; + g += b; + f += c; + h = Mur(d, h) + e; + g = Mur(c, g) + a; + f = Mur(b + e * c1, f) + d; + f += g; + g += f; + s += 20; + } while (--iters != 0); + g = Rotate(g, 11) * c1; + g = Rotate(g, 17) * c1; + f = Rotate(f, 11) * c1; + f = Rotate(f, 17) * c1; + h = Rotate(h + g, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + h = Rotate(h + f, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + return h; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return Hash32Len5to12(s, len, seed); + else return Hash32Len0to4(s, len, seed); + } + uint32_t h = Hash32Len13to24(s, 24, seed ^ len); + return Mur(Hash32(s + 24, len - 24) + seed, h); +} +} // namespace farmhashmk diff --git a/contrib/libs/farmhash/farmhashna.cc b/contrib/libs/farmhash/farmhashna.cc index 76ef2a3168..a2941aa535 100644 --- a/contrib/libs/farmhash/farmhashna.cc +++ b/contrib/libs/farmhash/farmhashna.cc @@ -1,173 +1,173 @@ -#include "common.h" - -namespace farmhashna { -#undef Fetch -#define Fetch Fetch64 - -#undef Rotate -#define Rotate Rotate64 - -#undef Bswap -#define Bswap Bswap64 - -STATIC_INLINE uint64_t ShiftMix(uint64_t val) { - return val ^ (val >> 47); -} - -STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { - return Hash128to64(Uint128(u, v)); -} - -STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { - // Murmur-inspired hashing. - uint64_t a = (u ^ v) * mul; - a ^= (a >> 47); - uint64_t b = (v ^ a) * mul; - b ^= (b >> 47); - b *= mul; - return b; -} - -STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { - if (len >= 8) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch(s) + k2; - uint64_t b = Fetch(s + len - 8); - uint64_t c = Rotate(b, 37) * mul + a; - uint64_t d = (Rotate(a, 25) + b) * mul; - return HashLen16(c, d, mul); - } - if (len >= 4) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch32(s); - return HashLen16(len + (a << 3), Fetch32(s + len - 4), mul); - } - if (len > 0) { - uint8_t a = s[0]; - uint8_t b = s[len >> 1]; - uint8_t c = s[len - 1]; - uint32_t y = static_cast<uint32_t>(a) + (static_cast<uint32_t>(b) << 8); - uint32_t z = len + (static_cast<uint32_t>(c) << 2); - return ShiftMix(y * k2 ^ z * k0) * k2; - } - return k2; -} - -// This probably works well for 16-byte strings as well, but it may be overkill -// in that case. -STATIC_INLINE uint64_t HashLen17to32(const char *s, size_t len) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch(s) * k1; - uint64_t b = Fetch(s + 8); - uint64_t c = Fetch(s + len - 8) * mul; - uint64_t d = Fetch(s + len - 16) * k2; - return HashLen16(Rotate(a + b, 43) + Rotate(c, 30) + d, - a + Rotate(b + k2, 18) + c, mul); -} - -// Return a 16-byte hash for 48 bytes. Quick and dirty. -// Callers do best to use "random-looking" values for a and b. -STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( - uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { - a += w; - b = Rotate(b + a + z, 21); - uint64_t c = a; - a += x; - a += y; - b += Rotate(a, 44); - return make_pair(a + z, b + c); -} - -// Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. -STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( - const char* s, uint64_t a, uint64_t b) { - return WeakHashLen32WithSeeds(Fetch(s), - Fetch(s + 8), - Fetch(s + 16), - Fetch(s + 24), - a, - b); -} - -// Return an 8-byte hash for 33 to 64 bytes. -STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { - uint64_t mul = k2 + len * 2; - uint64_t a = Fetch(s) * k2; - uint64_t b = Fetch(s + 8); - uint64_t c = Fetch(s + len - 8) * mul; - uint64_t d = Fetch(s + len - 16) * k2; - uint64_t y = Rotate(a + b, 43) + Rotate(c, 30) + d; - uint64_t z = HashLen16(y, a + Rotate(b + k2, 18) + c, mul); - uint64_t e = Fetch(s + 16) * mul; - uint64_t f = Fetch(s + 24); - uint64_t g = (y + Fetch(s + len - 32)) * mul; - uint64_t h = (z + Fetch(s + len - 24)) * mul; - return HashLen16(Rotate(e + f, 43) + Rotate(g, 30) + h, - e + Rotate(f + a, 18) + g, mul); -} - -uint64_t Hash64(const char *s, size_t len) { - const uint64_t seed = 81; - if (len <= 32) { - if (len <= 16) { - return HashLen0to16(s, len); - } else { - return HashLen17to32(s, len); - } - } else if (len <= 64) { - return HashLen33to64(s, len); - } - - // For strings over 64 bytes we loop. Internal state consists of - // 56 bytes: v, w, x, y, and z. - uint64_t x = seed; - uint64_t y = seed * k1 + 113; - uint64_t z = ShiftMix(y * k2 + 113) * k2; - pair<uint64_t, uint64_t> v = make_pair(0, 0); - pair<uint64_t, uint64_t> w = make_pair(0, 0); - x = x * k2 + Fetch(s); - - // Set end so that after the loop we have 1 to 64 bytes left to process. - const char* end = s + ((len - 1) / 64) * 64; - const char* last64 = end + ((len - 1) & 63) - 63; - assert(s + len - 64 == last64); - do { - x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; - y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; - x ^= w.second; - y += v.first + Fetch(s + 40); - z = Rotate(z + w.first, 33) * k1; - v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); - w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); - std::swap(z, x); - s += 64; - } while (s != end); - uint64_t mul = k1 + ((z & 0xff) << 1); - // Make s point to the last 64 bytes of input. - s = last64; - w.first += ((len - 1) & 63); - v.first += w.first; - w.first += v.first; - x = Rotate(x + y + v.first + Fetch(s + 8), 37) * mul; - y = Rotate(y + v.second + Fetch(s + 48), 42) * mul; - x ^= w.second * 9; - y += v.first * 9 + Fetch(s + 40); - z = Rotate(z + w.first, 33) * mul; - v = WeakHashLen32WithSeeds(s, v.second * mul, x + w.first); - w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); - std::swap(z, x); - return HashLen16(HashLen16(v.first, w.first, mul) + ShiftMix(y) * k0 + z, - HashLen16(v.second, w.second, mul) + x, - mul); -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1); - -uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { - return Hash64WithSeeds(s, len, k2, seed); -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { - return HashLen16(Hash64(s, len) - seed0, seed1); -} -} // namespace farmhashna +#include "common.h" + +namespace farmhashna { +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +#undef Bswap +#define Bswap Bswap64 + +STATIC_INLINE uint64_t ShiftMix(uint64_t val) { + return val ^ (val >> 47); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { + return Hash128to64(Uint128(u, v)); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { + // Murmur-inspired hashing. + uint64_t a = (u ^ v) * mul; + a ^= (a >> 47); + uint64_t b = (v ^ a) * mul; + b ^= (b >> 47); + b *= mul; + return b; +} + +STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { + if (len >= 8) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) + k2; + uint64_t b = Fetch(s + len - 8); + uint64_t c = Rotate(b, 37) * mul + a; + uint64_t d = (Rotate(a, 25) + b) * mul; + return HashLen16(c, d, mul); + } + if (len >= 4) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch32(s); + return HashLen16(len + (a << 3), Fetch32(s + len - 4), mul); + } + if (len > 0) { + uint8_t a = s[0]; + uint8_t b = s[len >> 1]; + uint8_t c = s[len - 1]; + uint32_t y = static_cast<uint32_t>(a) + (static_cast<uint32_t>(b) << 8); + uint32_t z = len + (static_cast<uint32_t>(c) << 2); + return ShiftMix(y * k2 ^ z * k0) * k2; + } + return k2; +} + +// This probably works well for 16-byte strings as well, but it may be overkill +// in that case. +STATIC_INLINE uint64_t HashLen17to32(const char *s, size_t len) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) * k1; + uint64_t b = Fetch(s + 8); + uint64_t c = Fetch(s + len - 8) * mul; + uint64_t d = Fetch(s + len - 16) * k2; + return HashLen16(Rotate(a + b, 43) + Rotate(c, 30) + d, + a + Rotate(b + k2, 18) + c, mul); +} + +// Return a 16-byte hash for 48 bytes. Quick and dirty. +// Callers do best to use "random-looking" values for a and b. +STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( + uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { + a += w; + b = Rotate(b + a + z, 21); + uint64_t c = a; + a += x; + a += y; + b += Rotate(a, 44); + return make_pair(a + z, b + c); +} + +// Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. +STATIC_INLINE pair<uint64_t, uint64_t> WeakHashLen32WithSeeds( + const char* s, uint64_t a, uint64_t b) { + return WeakHashLen32WithSeeds(Fetch(s), + Fetch(s + 8), + Fetch(s + 16), + Fetch(s + 24), + a, + b); +} + +// Return an 8-byte hash for 33 to 64 bytes. +STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) * k2; + uint64_t b = Fetch(s + 8); + uint64_t c = Fetch(s + len - 8) * mul; + uint64_t d = Fetch(s + len - 16) * k2; + uint64_t y = Rotate(a + b, 43) + Rotate(c, 30) + d; + uint64_t z = HashLen16(y, a + Rotate(b + k2, 18) + c, mul); + uint64_t e = Fetch(s + 16) * mul; + uint64_t f = Fetch(s + 24); + uint64_t g = (y + Fetch(s + len - 32)) * mul; + uint64_t h = (z + Fetch(s + len - 24)) * mul; + return HashLen16(Rotate(e + f, 43) + Rotate(g, 30) + h, + e + Rotate(f + a, 18) + g, mul); +} + +uint64_t Hash64(const char *s, size_t len) { + const uint64_t seed = 81; + if (len <= 32) { + if (len <= 16) { + return HashLen0to16(s, len); + } else { + return HashLen17to32(s, len); + } + } else if (len <= 64) { + return HashLen33to64(s, len); + } + + // For strings over 64 bytes we loop. Internal state consists of + // 56 bytes: v, w, x, y, and z. + uint64_t x = seed; + uint64_t y = seed * k1 + 113; + uint64_t z = ShiftMix(y * k2 + 113) * k2; + pair<uint64_t, uint64_t> v = make_pair(0, 0); + pair<uint64_t, uint64_t> w = make_pair(0, 0); + x = x * k2 + Fetch(s); + + // Set end so that after the loop we have 1 to 64 bytes left to process. + const char* end = s + ((len - 1) / 64) * 64; + const char* last64 = end + ((len - 1) & 63) - 63; + assert(s + len - 64 == last64); + do { + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; + y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; + x ^= w.second; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * k1; + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + s += 64; + } while (s != end); + uint64_t mul = k1 + ((z & 0xff) << 1); + // Make s point to the last 64 bytes of input. + s = last64; + w.first += ((len - 1) & 63); + v.first += w.first; + w.first += v.first; + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * mul; + y = Rotate(y + v.second + Fetch(s + 48), 42) * mul; + x ^= w.second * 9; + y += v.first * 9 + Fetch(s + 40); + z = Rotate(z + w.first, 33) * mul; + v = WeakHashLen32WithSeeds(s, v.second * mul, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + return HashLen16(HashLen16(v.first, w.first, mul) + ShiftMix(y) * k0 + z, + HashLen16(v.second, w.second, mul) + x, + mul); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1); + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return Hash64WithSeeds(s, len, k2, seed); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { + return HashLen16(Hash64(s, len) - seed0, seed1); +} +} // namespace farmhashna diff --git a/contrib/libs/farmhash/farmhashnt.cc b/contrib/libs/farmhash/farmhashnt.cc index d397ad38fb..836ccfcc85 100644 --- a/contrib/libs/farmhash/farmhashnt.cc +++ b/contrib/libs/farmhash/farmhashnt.cc @@ -1,31 +1,31 @@ -#include "common.h" - -namespace { - #include "farmhashte.cc" -} - -namespace farmhashnt { -#if !can_use_sse41 || !x86_64 - -uint32_t Hash32(const char *s, size_t len) { - FARMHASH_DIE_IF_MISCONFIGURED; - return s == NULL ? 0 : len; -} - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - FARMHASH_DIE_IF_MISCONFIGURED; - return seed + Hash32(s, len); -} - -#else - -uint32_t Hash32(const char *s, size_t len) { - return static_cast<uint32_t>(farmhashte::Hash64(s, len)); -} - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - return static_cast<uint32_t>(farmhashte::Hash64WithSeed(s, len, seed)); -} - -#endif -} // namespace farmhashnt +#include "common.h" + +namespace { + #include "farmhashte.cc" +} + +namespace farmhashnt { +#if !can_use_sse41 || !x86_64 + +uint32_t Hash32(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash32(s, len); +} + +#else + +uint32_t Hash32(const char *s, size_t len) { + return static_cast<uint32_t>(farmhashte::Hash64(s, len)); +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + return static_cast<uint32_t>(farmhashte::Hash64WithSeed(s, len, seed)); +} + +#endif +} // namespace farmhashnt diff --git a/contrib/libs/farmhash/farmhashsa.cc b/contrib/libs/farmhash/farmhashsa.cc index e6571cbb9a..aa1c24b55b 100644 --- a/contrib/libs/farmhash/farmhashsa.cc +++ b/contrib/libs/farmhash/farmhashsa.cc @@ -1,216 +1,216 @@ -#include "common.h" - -namespace { - #include "farmhashsu.cc" -} - -namespace farmhashsa { -#if !can_use_sse42 - -uint32_t Hash32(const char *s, size_t len) { - FARMHASH_DIE_IF_MISCONFIGURED; - return s == NULL ? 0 : len; -} - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - FARMHASH_DIE_IF_MISCONFIGURED; - return seed + Hash32(s, len); -} - -#else - -#undef Fetch -#define Fetch Fetch32 - -#undef Rotate -#define Rotate Rotate32 - -#undef Bswap -#define Bswap Bswap32 - -// Helpers for data-parallel operations (4x 32-bits). -STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } -STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } -STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } -STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } -STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } -STATIC_INLINE __m128i Rotate(__m128i x, int c) { - return Or(_mm_slli_epi32(x, c), - _mm_srli_epi32(x, 32 - c)); -} -STATIC_INLINE __m128i Rot17(__m128i x) { return Rotate(x, 17); } -STATIC_INLINE __m128i Rot19(__m128i x) { return Rotate(x, 19); } -STATIC_INLINE __m128i Shuffle0321(__m128i x) { - return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); -} - -uint32_t Hash32(const char *s, size_t len) { - const uint32_t seed = 81; - if (len <= 24) { - return len <= 12 ? - (len <= 4 ? - farmhashmk::Hash32Len0to4(s, len) : - farmhashmk::Hash32Len5to12(s, len)) : - farmhashmk::Hash32Len13to24(s, len); - } - - if (len < 40) { - uint32_t a = len, b = seed * c2, c = a + b; - a += Fetch(s + len - 4); - b += Fetch(s + len - 20); - c += Fetch(s + len - 16); - uint32_t d = a; - a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); - a = Mur(a, Mur(b, Mur(c, d))); - a += Fetch(s + len - 12); - b += Fetch(s + len - 8); - d += a; - a += d; - b = Mur(b, d) * c2; - a = _mm_crc32_u32(a, b + c); - return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; - } - -#undef Mulc1 -#define Mulc1(x) Mul((x), cc1) - -#undef Mulc2 -#define Mulc2(x) Mul((x), cc2) - -#undef Murk -#define Murk(a, h) \ - Add(k, \ - Mul5( \ - Rot19( \ - Xor( \ - Mulc2( \ - Rot17( \ - Mulc1(a))), \ - (h))))) - - const __m128i cc1 = _mm_set1_epi32(c1); - const __m128i cc2 = _mm_set1_epi32(c2); - __m128i h = _mm_set1_epi32(seed); - __m128i g = _mm_set1_epi32(c1 * seed); - __m128i f = g; - __m128i k = _mm_set1_epi32(0xe6546b64); - if (len < 80) { - __m128i a = Fetch128(s); - __m128i b = Fetch128(s + 16); - __m128i c = Fetch128(s + (len - 15) / 2); - __m128i d = Fetch128(s + len - 32); - __m128i e = Fetch128(s + len - 16); - h = Add(h, a); - g = Add(g, b); - g = Shuffle0321(g); - f = Add(f, c); - __m128i be = Add(b, Mulc1(e)); - h = Add(h, f); - f = Add(f, h); - h = Add(Murk(d, h), e); - k = Xor(k, _mm_shuffle_epi8(g, f)); - g = Add(Xor(c, g), a); - f = Add(Xor(be, f), d); - k = Add(k, be); - k = Add(k, _mm_shuffle_epi8(f, h)); - f = Add(f, g); - g = Add(g, f); - g = Add(_mm_set1_epi32(len), Mulc1(g)); - } else { - // len >= 80 - // The following is loosely modelled after farmhashmk::Hash32. - size_t iters = (len - 1) / 80; - len -= iters * 80; - -#undef Chunk -#define Chunk() do { \ - __m128i a = Fetch128(s); \ - __m128i b = Fetch128(s + 16); \ - __m128i c = Fetch128(s + 32); \ - __m128i d = Fetch128(s + 48); \ - __m128i e = Fetch128(s + 64); \ - h = Add(h, a); \ - g = Add(g, b); \ - g = Shuffle0321(g); \ - f = Add(f, c); \ - __m128i be = Add(b, Mulc1(e)); \ - h = Add(h, f); \ - f = Add(f, h); \ - h = Add(Murk(d, h), e); \ - k = Xor(k, _mm_shuffle_epi8(g, f)); \ - g = Add(Xor(c, g), a); \ - f = Add(Xor(be, f), d); \ - k = Add(k, be); \ - k = Add(k, _mm_shuffle_epi8(f, h)); \ - f = Add(f, g); \ - g = Add(g, f); \ - f = Mulc1(f); \ -} while (0) - - while (iters-- != 0) { - Chunk(); - s += 80; - } - - if (len != 0) { - h = Add(h, _mm_set1_epi32(len)); - s = s + len - 80; - Chunk(); - } - } - - g = Shuffle0321(g); - k = Xor(k, g); - f = Mulc1(f); - k = Mulc2(k); - g = Mulc1(g); - h = Mulc2(h); - k = Add(k, _mm_shuffle_epi8(g, f)); - h = Add(h, f); - f = Add(f, h); - g = Add(g, k); - k = Add(k, g); - k = Xor(k, _mm_shuffle_epi8(f, h)); - __m128i buf[4]; - buf[0] = f; - buf[1] = g; - buf[2] = k; - buf[3] = h; - s = reinterpret_cast<char*>(buf); - uint32_t x = Fetch(s); - uint32_t y = Fetch(s+4); - uint32_t z = Fetch(s+8); - x = _mm_crc32_u32(x, Fetch(s+12)); - y = _mm_crc32_u32(y, Fetch(s+16)); - z = _mm_crc32_u32(z * c1, Fetch(s+20)); - x = _mm_crc32_u32(x, Fetch(s+24)); - y = _mm_crc32_u32(y * c1, Fetch(s+28)); - uint32_t o = y; - z = _mm_crc32_u32(z, Fetch(s+32)); - x = _mm_crc32_u32(x * c1, Fetch(s+36)); - y = _mm_crc32_u32(y, Fetch(s+40)); - z = _mm_crc32_u32(z * c1, Fetch(s+44)); - x = _mm_crc32_u32(x, Fetch(s+48)); - y = _mm_crc32_u32(y * c1, Fetch(s+52)); - z = _mm_crc32_u32(z, Fetch(s+56)); - x = _mm_crc32_u32(x, Fetch(s+60)); - return (o - x + y - z) * c1; -} - -#undef Chunk -#undef Murk -#undef Mulc2 -#undef Mulc1 - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - if (len <= 24) { - if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); - else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); - else return farmhashmk::Hash32Len0to4(s, len, seed); - } - uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); - return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); -} - -#endif -} // namespace farmhashsa +#include "common.h" + +namespace { + #include "farmhashsu.cc" +} + +namespace farmhashsa { +#if !can_use_sse42 + +uint32_t Hash32(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash32(s, len); +} + +#else + +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +// Helpers for data-parallel operations (4x 32-bits). +STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } +STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } +STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } +STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } +STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } +STATIC_INLINE __m128i Rotate(__m128i x, int c) { + return Or(_mm_slli_epi32(x, c), + _mm_srli_epi32(x, 32 - c)); +} +STATIC_INLINE __m128i Rot17(__m128i x) { return Rotate(x, 17); } +STATIC_INLINE __m128i Rot19(__m128i x) { return Rotate(x, 19); } +STATIC_INLINE __m128i Shuffle0321(__m128i x) { + return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); +} + +uint32_t Hash32(const char *s, size_t len) { + const uint32_t seed = 81; + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? + farmhashmk::Hash32Len0to4(s, len) : + farmhashmk::Hash32Len5to12(s, len)) : + farmhashmk::Hash32Len13to24(s, len); + } + + if (len < 40) { + uint32_t a = len, b = seed * c2, c = a + b; + a += Fetch(s + len - 4); + b += Fetch(s + len - 20); + c += Fetch(s + len - 16); + uint32_t d = a; + a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); + a = Mur(a, Mur(b, Mur(c, d))); + a += Fetch(s + len - 12); + b += Fetch(s + len - 8); + d += a; + a += d; + b = Mur(b, d) * c2; + a = _mm_crc32_u32(a, b + c); + return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; + } + +#undef Mulc1 +#define Mulc1(x) Mul((x), cc1) + +#undef Mulc2 +#define Mulc2(x) Mul((x), cc2) + +#undef Murk +#define Murk(a, h) \ + Add(k, \ + Mul5( \ + Rot19( \ + Xor( \ + Mulc2( \ + Rot17( \ + Mulc1(a))), \ + (h))))) + + const __m128i cc1 = _mm_set1_epi32(c1); + const __m128i cc2 = _mm_set1_epi32(c2); + __m128i h = _mm_set1_epi32(seed); + __m128i g = _mm_set1_epi32(c1 * seed); + __m128i f = g; + __m128i k = _mm_set1_epi32(0xe6546b64); + if (len < 80) { + __m128i a = Fetch128(s); + __m128i b = Fetch128(s + 16); + __m128i c = Fetch128(s + (len - 15) / 2); + __m128i d = Fetch128(s + len - 32); + __m128i e = Fetch128(s + len - 16); + h = Add(h, a); + g = Add(g, b); + g = Shuffle0321(g); + f = Add(f, c); + __m128i be = Add(b, Mulc1(e)); + h = Add(h, f); + f = Add(f, h); + h = Add(Murk(d, h), e); + k = Xor(k, _mm_shuffle_epi8(g, f)); + g = Add(Xor(c, g), a); + f = Add(Xor(be, f), d); + k = Add(k, be); + k = Add(k, _mm_shuffle_epi8(f, h)); + f = Add(f, g); + g = Add(g, f); + g = Add(_mm_set1_epi32(len), Mulc1(g)); + } else { + // len >= 80 + // The following is loosely modelled after farmhashmk::Hash32. + size_t iters = (len - 1) / 80; + len -= iters * 80; + +#undef Chunk +#define Chunk() do { \ + __m128i a = Fetch128(s); \ + __m128i b = Fetch128(s + 16); \ + __m128i c = Fetch128(s + 32); \ + __m128i d = Fetch128(s + 48); \ + __m128i e = Fetch128(s + 64); \ + h = Add(h, a); \ + g = Add(g, b); \ + g = Shuffle0321(g); \ + f = Add(f, c); \ + __m128i be = Add(b, Mulc1(e)); \ + h = Add(h, f); \ + f = Add(f, h); \ + h = Add(Murk(d, h), e); \ + k = Xor(k, _mm_shuffle_epi8(g, f)); \ + g = Add(Xor(c, g), a); \ + f = Add(Xor(be, f), d); \ + k = Add(k, be); \ + k = Add(k, _mm_shuffle_epi8(f, h)); \ + f = Add(f, g); \ + g = Add(g, f); \ + f = Mulc1(f); \ +} while (0) + + while (iters-- != 0) { + Chunk(); + s += 80; + } + + if (len != 0) { + h = Add(h, _mm_set1_epi32(len)); + s = s + len - 80; + Chunk(); + } + } + + g = Shuffle0321(g); + k = Xor(k, g); + f = Mulc1(f); + k = Mulc2(k); + g = Mulc1(g); + h = Mulc2(h); + k = Add(k, _mm_shuffle_epi8(g, f)); + h = Add(h, f); + f = Add(f, h); + g = Add(g, k); + k = Add(k, g); + k = Xor(k, _mm_shuffle_epi8(f, h)); + __m128i buf[4]; + buf[0] = f; + buf[1] = g; + buf[2] = k; + buf[3] = h; + s = reinterpret_cast<char*>(buf); + uint32_t x = Fetch(s); + uint32_t y = Fetch(s+4); + uint32_t z = Fetch(s+8); + x = _mm_crc32_u32(x, Fetch(s+12)); + y = _mm_crc32_u32(y, Fetch(s+16)); + z = _mm_crc32_u32(z * c1, Fetch(s+20)); + x = _mm_crc32_u32(x, Fetch(s+24)); + y = _mm_crc32_u32(y * c1, Fetch(s+28)); + uint32_t o = y; + z = _mm_crc32_u32(z, Fetch(s+32)); + x = _mm_crc32_u32(x * c1, Fetch(s+36)); + y = _mm_crc32_u32(y, Fetch(s+40)); + z = _mm_crc32_u32(z * c1, Fetch(s+44)); + x = _mm_crc32_u32(x, Fetch(s+48)); + y = _mm_crc32_u32(y * c1, Fetch(s+52)); + z = _mm_crc32_u32(z, Fetch(s+56)); + x = _mm_crc32_u32(x, Fetch(s+60)); + return (o - x + y - z) * c1; +} + +#undef Chunk +#undef Murk +#undef Mulc2 +#undef Mulc1 + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); + else return farmhashmk::Hash32Len0to4(s, len, seed); + } + uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); + return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); +} + +#endif +} // namespace farmhashsa diff --git a/contrib/libs/farmhash/farmhashsu.cc b/contrib/libs/farmhash/farmhashsu.cc index 319ac35912..49b48d5f3c 100644 --- a/contrib/libs/farmhash/farmhashsu.cc +++ b/contrib/libs/farmhash/farmhashsu.cc @@ -1,226 +1,226 @@ -#include "common.h" - -namespace { - #include "farmhashmk.cc" -} - -namespace farmhashsu { -#if !can_use_sse42 || !can_use_aesni - -uint32_t Hash32(const char *s, size_t len) { - FARMHASH_DIE_IF_MISCONFIGURED; - return s == NULL ? 0 : len; -} - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - FARMHASH_DIE_IF_MISCONFIGURED; - return seed + Hash32(s, len); -} - -#else - -#undef Fetch -#define Fetch Fetch32 - -#undef Rotate -#define Rotate Rotate32 - -#undef Bswap -#define Bswap Bswap32 - -// Helpers for data-parallel operations (4x 32-bits). -STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } -STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } -STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } -STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } -STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } -STATIC_INLINE __m128i RotateLeft(__m128i x, int c) { - return Or(_mm_slli_epi32(x, c), - _mm_srli_epi32(x, 32 - c)); -} -STATIC_INLINE __m128i Rol17(__m128i x) { return RotateLeft(x, 17); } -STATIC_INLINE __m128i Rol19(__m128i x) { return RotateLeft(x, 19); } -STATIC_INLINE __m128i Shuffle0321(__m128i x) { - return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); -} - -uint32_t Hash32(const char *s, size_t len) { - const uint32_t seed = 81; - if (len <= 24) { - return len <= 12 ? - (len <= 4 ? - farmhashmk::Hash32Len0to4(s, len) : - farmhashmk::Hash32Len5to12(s, len)) : - farmhashmk::Hash32Len13to24(s, len); - } - - if (len < 40) { - uint32_t a = len, b = seed * c2, c = a + b; - a += Fetch(s + len - 4); - b += Fetch(s + len - 20); - c += Fetch(s + len - 16); - uint32_t d = a; - a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); - a = Mur(a, Mur(b, _mm_crc32_u32(c, d))); - a += Fetch(s + len - 12); - b += Fetch(s + len - 8); - d += a; - a += d; - b = Mur(b, d) * c2; - a = _mm_crc32_u32(a, b + c); - return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; - } - -#undef Mulc1 -#define Mulc1(x) Mul((x), cc1) - -#undef Mulc2 -#define Mulc2(x) Mul((x), cc2) - -#undef Murk -#define Murk(a, h) \ - Add(k, \ - Mul5( \ - Rol19( \ - Xor( \ - Mulc2( \ - Rol17( \ - Mulc1(a))), \ - (h))))) - - const __m128i cc1 = _mm_set1_epi32(c1); - const __m128i cc2 = _mm_set1_epi32(c2); - __m128i h = _mm_set1_epi32(seed); - __m128i g = _mm_set1_epi32(c1 * seed); - __m128i f = g; - __m128i k = _mm_set1_epi32(0xe6546b64); - __m128i q; - if (len < 80) { - __m128i a = Fetch128(s); - __m128i b = Fetch128(s + 16); - __m128i c = Fetch128(s + (len - 15) / 2); - __m128i d = Fetch128(s + len - 32); - __m128i e = Fetch128(s + len - 16); - h = Add(h, a); - g = Add(g, b); - q = g; - g = Shuffle0321(g); - f = Add(f, c); - __m128i be = Add(b, Mulc1(e)); - h = Add(h, f); - f = Add(f, h); - h = Add(Murk(d, h), e); - k = Xor(k, _mm_shuffle_epi8(g, f)); - g = Add(Xor(c, g), a); - f = Add(Xor(be, f), d); - k = Add(k, be); - k = Add(k, _mm_shuffle_epi8(f, h)); - f = Add(f, g); - g = Add(g, f); - g = Add(_mm_set1_epi32(len), Mulc1(g)); - } else { - // len >= 80 - // The following is loosely modelled after farmhashmk::Hash32. - size_t iters = (len - 1) / 80; - len -= iters * 80; - -#undef Chunk -#define Chunk() do { \ - __m128i a = Fetch128(s); \ - __m128i b = Fetch128(s + 16); \ - __m128i c = Fetch128(s + 32); \ - __m128i d = Fetch128(s + 48); \ - __m128i e = Fetch128(s + 64); \ - h = Add(h, a); \ - g = Add(g, b); \ - g = Shuffle0321(g); \ - f = Add(f, c); \ - __m128i be = Add(b, Mulc1(e)); \ - h = Add(h, f); \ - f = Add(f, h); \ - h = Add(h, d); \ - q = Add(q, e); \ - h = Rol17(h); \ - h = Mulc1(h); \ - k = Xor(k, _mm_shuffle_epi8(g, f)); \ - g = Add(Xor(c, g), a); \ - f = Add(Xor(be, f), d); \ - std::swap(f, q); \ - q = _mm_aesimc_si128(q); \ - k = Add(k, be); \ - k = Add(k, _mm_shuffle_epi8(f, h)); \ - f = Add(f, g); \ - g = Add(g, f); \ - f = Mulc1(f); \ -} while (0) - - q = g; - while (iters-- != 0) { - Chunk(); - s += 80; - } - - if (len != 0) { - h = Add(h, _mm_set1_epi32(len)); - s = s + len - 80; - Chunk(); - } - } - - g = Shuffle0321(g); - k = Xor(k, g); - k = Xor(k, q); - h = Xor(h, q); - f = Mulc1(f); - k = Mulc2(k); - g = Mulc1(g); - h = Mulc2(h); - k = Add(k, _mm_shuffle_epi8(g, f)); - h = Add(h, f); - f = Add(f, h); - g = Add(g, k); - k = Add(k, g); - k = Xor(k, _mm_shuffle_epi8(f, h)); - __m128i buf[4]; - buf[0] = f; - buf[1] = g; - buf[2] = k; - buf[3] = h; - s = reinterpret_cast<char*>(buf); - uint32_t x = Fetch(s); - uint32_t y = Fetch(s+4); - uint32_t z = Fetch(s+8); - x = _mm_crc32_u32(x, Fetch(s+12)); - y = _mm_crc32_u32(y, Fetch(s+16)); - z = _mm_crc32_u32(z * c1, Fetch(s+20)); - x = _mm_crc32_u32(x, Fetch(s+24)); - y = _mm_crc32_u32(y * c1, Fetch(s+28)); - uint32_t o = y; - z = _mm_crc32_u32(z, Fetch(s+32)); - x = _mm_crc32_u32(x * c1, Fetch(s+36)); - y = _mm_crc32_u32(y, Fetch(s+40)); - z = _mm_crc32_u32(z * c1, Fetch(s+44)); - x = _mm_crc32_u32(x, Fetch(s+48)); - y = _mm_crc32_u32(y * c1, Fetch(s+52)); - z = _mm_crc32_u32(z, Fetch(s+56)); - x = _mm_crc32_u32(x, Fetch(s+60)); - return (o - x + y - z) * c1; -} - -#undef Chunk -#undef Murk -#undef Mulc2 -#undef Mulc1 - -uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { - if (len <= 24) { - if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); - else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); - else return farmhashmk::Hash32Len0to4(s, len, seed); - } - uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); - return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); -} - -#endif -} // namespace farmhashsu +#include "common.h" + +namespace { + #include "farmhashmk.cc" +} + +namespace farmhashsu { +#if !can_use_sse42 || !can_use_aesni + +uint32_t Hash32(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash32(s, len); +} + +#else + +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +// Helpers for data-parallel operations (4x 32-bits). +STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } +STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } +STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } +STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } +STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } +STATIC_INLINE __m128i RotateLeft(__m128i x, int c) { + return Or(_mm_slli_epi32(x, c), + _mm_srli_epi32(x, 32 - c)); +} +STATIC_INLINE __m128i Rol17(__m128i x) { return RotateLeft(x, 17); } +STATIC_INLINE __m128i Rol19(__m128i x) { return RotateLeft(x, 19); } +STATIC_INLINE __m128i Shuffle0321(__m128i x) { + return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); +} + +uint32_t Hash32(const char *s, size_t len) { + const uint32_t seed = 81; + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? + farmhashmk::Hash32Len0to4(s, len) : + farmhashmk::Hash32Len5to12(s, len)) : + farmhashmk::Hash32Len13to24(s, len); + } + + if (len < 40) { + uint32_t a = len, b = seed * c2, c = a + b; + a += Fetch(s + len - 4); + b += Fetch(s + len - 20); + c += Fetch(s + len - 16); + uint32_t d = a; + a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); + a = Mur(a, Mur(b, _mm_crc32_u32(c, d))); + a += Fetch(s + len - 12); + b += Fetch(s + len - 8); + d += a; + a += d; + b = Mur(b, d) * c2; + a = _mm_crc32_u32(a, b + c); + return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; + } + +#undef Mulc1 +#define Mulc1(x) Mul((x), cc1) + +#undef Mulc2 +#define Mulc2(x) Mul((x), cc2) + +#undef Murk +#define Murk(a, h) \ + Add(k, \ + Mul5( \ + Rol19( \ + Xor( \ + Mulc2( \ + Rol17( \ + Mulc1(a))), \ + (h))))) + + const __m128i cc1 = _mm_set1_epi32(c1); + const __m128i cc2 = _mm_set1_epi32(c2); + __m128i h = _mm_set1_epi32(seed); + __m128i g = _mm_set1_epi32(c1 * seed); + __m128i f = g; + __m128i k = _mm_set1_epi32(0xe6546b64); + __m128i q; + if (len < 80) { + __m128i a = Fetch128(s); + __m128i b = Fetch128(s + 16); + __m128i c = Fetch128(s + (len - 15) / 2); + __m128i d = Fetch128(s + len - 32); + __m128i e = Fetch128(s + len - 16); + h = Add(h, a); + g = Add(g, b); + q = g; + g = Shuffle0321(g); + f = Add(f, c); + __m128i be = Add(b, Mulc1(e)); + h = Add(h, f); + f = Add(f, h); + h = Add(Murk(d, h), e); + k = Xor(k, _mm_shuffle_epi8(g, f)); + g = Add(Xor(c, g), a); + f = Add(Xor(be, f), d); + k = Add(k, be); + k = Add(k, _mm_shuffle_epi8(f, h)); + f = Add(f, g); + g = Add(g, f); + g = Add(_mm_set1_epi32(len), Mulc1(g)); + } else { + // len >= 80 + // The following is loosely modelled after farmhashmk::Hash32. + size_t iters = (len - 1) / 80; + len -= iters * 80; + +#undef Chunk +#define Chunk() do { \ + __m128i a = Fetch128(s); \ + __m128i b = Fetch128(s + 16); \ + __m128i c = Fetch128(s + 32); \ + __m128i d = Fetch128(s + 48); \ + __m128i e = Fetch128(s + 64); \ + h = Add(h, a); \ + g = Add(g, b); \ + g = Shuffle0321(g); \ + f = Add(f, c); \ + __m128i be = Add(b, Mulc1(e)); \ + h = Add(h, f); \ + f = Add(f, h); \ + h = Add(h, d); \ + q = Add(q, e); \ + h = Rol17(h); \ + h = Mulc1(h); \ + k = Xor(k, _mm_shuffle_epi8(g, f)); \ + g = Add(Xor(c, g), a); \ + f = Add(Xor(be, f), d); \ + std::swap(f, q); \ + q = _mm_aesimc_si128(q); \ + k = Add(k, be); \ + k = Add(k, _mm_shuffle_epi8(f, h)); \ + f = Add(f, g); \ + g = Add(g, f); \ + f = Mulc1(f); \ +} while (0) + + q = g; + while (iters-- != 0) { + Chunk(); + s += 80; + } + + if (len != 0) { + h = Add(h, _mm_set1_epi32(len)); + s = s + len - 80; + Chunk(); + } + } + + g = Shuffle0321(g); + k = Xor(k, g); + k = Xor(k, q); + h = Xor(h, q); + f = Mulc1(f); + k = Mulc2(k); + g = Mulc1(g); + h = Mulc2(h); + k = Add(k, _mm_shuffle_epi8(g, f)); + h = Add(h, f); + f = Add(f, h); + g = Add(g, k); + k = Add(k, g); + k = Xor(k, _mm_shuffle_epi8(f, h)); + __m128i buf[4]; + buf[0] = f; + buf[1] = g; + buf[2] = k; + buf[3] = h; + s = reinterpret_cast<char*>(buf); + uint32_t x = Fetch(s); + uint32_t y = Fetch(s+4); + uint32_t z = Fetch(s+8); + x = _mm_crc32_u32(x, Fetch(s+12)); + y = _mm_crc32_u32(y, Fetch(s+16)); + z = _mm_crc32_u32(z * c1, Fetch(s+20)); + x = _mm_crc32_u32(x, Fetch(s+24)); + y = _mm_crc32_u32(y * c1, Fetch(s+28)); + uint32_t o = y; + z = _mm_crc32_u32(z, Fetch(s+32)); + x = _mm_crc32_u32(x * c1, Fetch(s+36)); + y = _mm_crc32_u32(y, Fetch(s+40)); + z = _mm_crc32_u32(z * c1, Fetch(s+44)); + x = _mm_crc32_u32(x, Fetch(s+48)); + y = _mm_crc32_u32(y * c1, Fetch(s+52)); + z = _mm_crc32_u32(z, Fetch(s+56)); + x = _mm_crc32_u32(x, Fetch(s+60)); + return (o - x + y - z) * c1; +} + +#undef Chunk +#undef Murk +#undef Mulc2 +#undef Mulc1 + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); + else return farmhashmk::Hash32Len0to4(s, len, seed); + } + uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); + return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); +} + +#endif +} // namespace farmhashsu diff --git a/contrib/libs/farmhash/farmhashte.cc b/contrib/libs/farmhash/farmhashte.cc index 709ba49898..c5df17f43a 100644 --- a/contrib/libs/farmhash/farmhashte.cc +++ b/contrib/libs/farmhash/farmhashte.cc @@ -1,238 +1,238 @@ -#include "common.h" - -namespace { - #include "farmhashxo.cc" -} - -namespace farmhashte { -#if !can_use_sse41 || !x86_64 - -uint64_t Hash64(const char *s, size_t len) { - FARMHASH_DIE_IF_MISCONFIGURED; - return s == NULL ? 0 : len; -} - -uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { - FARMHASH_DIE_IF_MISCONFIGURED; - return seed + Hash64(s, len); -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, - uint64_t seed0, uint64_t seed1) { - FARMHASH_DIE_IF_MISCONFIGURED; - return seed0 + seed1 + Hash64(s, len); -} - -#else - -#undef Fetch -#define Fetch Fetch64 - -#undef Rotate -#define Rotate Rotate64 - -#undef Bswap -#define Bswap Bswap64 - -// Helpers for data-parallel operations (1x 128 bits or 2x 64 or 4x 32). -STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi64(x, y); } -STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } -STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } -STATIC_INLINE __m128i Shuf(__m128i x, __m128i y) { return _mm_shuffle_epi8(y, x); } - -// Requires n >= 256. Requires SSE4.1. Should be slightly faster if the -// compiler uses AVX instructions (e.g., use the -mavx flag with GCC). -STATIC_INLINE uint64_t Hash64Long(const char* s, size_t n, - uint64_t seed0, uint64_t seed1) { - const __m128i kShuf = - _mm_set_epi8(4, 11, 10, 5, 8, 15, 6, 9, 12, 2, 14, 13, 0, 7, 3, 1); - const __m128i kMult = - _mm_set_epi8(0xbd, 0xd6, 0x33, 0x39, 0x45, 0x54, 0xfa, 0x03, - 0x34, 0x3e, 0x33, 0xed, 0xcc, 0x9e, 0x2d, 0x51); - uint64_t seed2 = (seed0 + 113) * (seed1 + 9); - uint64_t seed3 = (Rotate(seed0, 23) + 27) * (Rotate(seed1, 30) + 111); - __m128i d0 = _mm_cvtsi64_si128(seed0); - __m128i d1 = _mm_cvtsi64_si128(seed1); - __m128i d2 = Shuf(kShuf, d0); - __m128i d3 = Shuf(kShuf, d1); - __m128i d4 = Xor(d0, d1); - __m128i d5 = Xor(d1, d2); - __m128i d6 = Xor(d2, d4); - __m128i d7 = _mm_set1_epi32(seed2 >> 32); - __m128i d8 = Mul(kMult, d2); - __m128i d9 = _mm_set1_epi32(seed3 >> 32); - __m128i d10 = _mm_set1_epi32(seed3); - __m128i d11 = Add(d2, _mm_set1_epi32(seed2)); - const char* end = s + (n & ~static_cast<size_t>(255)); - do { - __m128i z; - z = Fetch128(s); - d0 = Add(d0, z); - d1 = Shuf(kShuf, d1); - d2 = Xor(d2, d0); - d4 = Xor(d4, z); - d4 = Xor(d4, d1); - std::swap(d0, d6); - z = Fetch128(s + 16); - d5 = Add(d5, z); - d6 = Shuf(kShuf, d6); - d8 = Shuf(kShuf, d8); - d7 = Xor(d7, d5); - d0 = Xor(d0, z); - d0 = Xor(d0, d6); - std::swap(d5, d11); - z = Fetch128(s + 32); - d1 = Add(d1, z); - d2 = Shuf(kShuf, d2); - d4 = Shuf(kShuf, d4); - d5 = Xor(d5, z); - d5 = Xor(d5, d2); - std::swap(d10, d4); - z = Fetch128(s + 48); - d6 = Add(d6, z); - d7 = Shuf(kShuf, d7); - d0 = Shuf(kShuf, d0); - d8 = Xor(d8, d6); - d1 = Xor(d1, z); - d1 = Add(d1, d7); - z = Fetch128(s + 64); - d2 = Add(d2, z); - d5 = Shuf(kShuf, d5); - d4 = Add(d4, d2); - d6 = Xor(d6, z); - d6 = Xor(d6, d11); - std::swap(d8, d2); - z = Fetch128(s + 80); - d7 = Xor(d7, z); - d8 = Shuf(kShuf, d8); - d1 = Shuf(kShuf, d1); - d0 = Add(d0, d7); - d2 = Add(d2, z); - d2 = Add(d2, d8); - std::swap(d1, d7); - z = Fetch128(s + 96); - d4 = Shuf(kShuf, d4); - d6 = Shuf(kShuf, d6); - d8 = Mul(kMult, d8); - d5 = Xor(d5, d11); - d7 = Xor(d7, z); - d7 = Add(d7, d4); - std::swap(d6, d0); - z = Fetch128(s + 112); - d8 = Add(d8, z); - d0 = Shuf(kShuf, d0); - d2 = Shuf(kShuf, d2); - d1 = Xor(d1, d8); - d10 = Xor(d10, z); - d10 = Xor(d10, d0); - std::swap(d11, d5); - z = Fetch128(s + 128); - d4 = Add(d4, z); - d5 = Shuf(kShuf, d5); - d7 = Shuf(kShuf, d7); - d6 = Add(d6, d4); - d8 = Xor(d8, z); - d8 = Xor(d8, d5); - std::swap(d4, d10); - z = Fetch128(s + 144); - d0 = Add(d0, z); - d1 = Shuf(kShuf, d1); - d2 = Add(d2, d0); - d4 = Xor(d4, z); - d4 = Xor(d4, d1); - z = Fetch128(s + 160); - d5 = Add(d5, z); - d6 = Shuf(kShuf, d6); - d8 = Shuf(kShuf, d8); - d7 = Xor(d7, d5); - d0 = Xor(d0, z); - d0 = Xor(d0, d6); - std::swap(d2, d8); - z = Fetch128(s + 176); - d1 = Add(d1, z); - d2 = Shuf(kShuf, d2); - d4 = Shuf(kShuf, d4); - d5 = Mul(kMult, d5); - d5 = Xor(d5, z); - d5 = Xor(d5, d2); - std::swap(d7, d1); - z = Fetch128(s + 192); - d6 = Add(d6, z); - d7 = Shuf(kShuf, d7); - d0 = Shuf(kShuf, d0); - d8 = Add(d8, d6); - d1 = Xor(d1, z); - d1 = Xor(d1, d7); - std::swap(d0, d6); - z = Fetch128(s + 208); - d2 = Add(d2, z); - d5 = Shuf(kShuf, d5); - d4 = Xor(d4, d2); - d6 = Xor(d6, z); - d6 = Xor(d6, d9); - std::swap(d5, d11); - z = Fetch128(s + 224); - d7 = Add(d7, z); - d8 = Shuf(kShuf, d8); - d1 = Shuf(kShuf, d1); - d0 = Xor(d0, d7); - d2 = Xor(d2, z); - d2 = Xor(d2, d8); - std::swap(d10, d4); - z = Fetch128(s + 240); - d3 = Add(d3, z); - d4 = Shuf(kShuf, d4); - d6 = Shuf(kShuf, d6); - d7 = Mul(kMult, d7); - d5 = Add(d5, d3); - d7 = Xor(d7, z); - d7 = Xor(d7, d4); - std::swap(d3, d9); - s += 256; - } while (s != end); - d6 = Add(Mul(kMult, d6), _mm_cvtsi64_si128(n)); - if (n % 256 != 0) { - d7 = Add(_mm_shuffle_epi32(d8, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)), d7); - d8 = Add(Mul(kMult, d8), _mm_cvtsi64_si128(farmhashxo::Hash64(s, n % 256))); - } - __m128i t[8]; - d0 = Mul(kMult, Shuf(kShuf, Mul(kMult, d0))); - d3 = Mul(kMult, Shuf(kShuf, Mul(kMult, d3))); - d9 = Mul(kMult, Shuf(kShuf, Mul(kMult, d9))); - d1 = Mul(kMult, Shuf(kShuf, Mul(kMult, d1))); - d0 = Add(d11, d0); - d3 = Xor(d7, d3); - d9 = Add(d8, d9); - d1 = Add(d10, d1); - d4 = Add(d3, d4); - d5 = Add(d9, d5); - d6 = Xor(d1, d6); - d2 = Add(d0, d2); - t[0] = d0; - t[1] = d3; - t[2] = d9; - t[3] = d1; - t[4] = d4; - t[5] = d5; - t[6] = d6; - t[7] = d2; - return farmhashxo::Hash64(reinterpret_cast<const char*>(t), sizeof(t)); -} - -uint64_t Hash64(const char *s, size_t len) { - // Empirically, farmhashxo seems faster until length 512. - return len >= 512 ? Hash64Long(s, len, k2, k1) : farmhashxo::Hash64(s, len); -} - -uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { - return len >= 512 ? Hash64Long(s, len, k1, seed) : - farmhashxo::Hash64WithSeed(s, len, seed); -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { - return len >= 512 ? Hash64Long(s, len, seed0, seed1) : - farmhashxo::Hash64WithSeeds(s, len, seed0, seed1); -} - -#endif -} // namespace farmhashte +#include "common.h" + +namespace { + #include "farmhashxo.cc" +} + +namespace farmhashte { +#if !can_use_sse41 || !x86_64 + +uint64_t Hash64(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash64(s, len); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, + uint64_t seed0, uint64_t seed1) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed0 + seed1 + Hash64(s, len); +} + +#else + +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +#undef Bswap +#define Bswap Bswap64 + +// Helpers for data-parallel operations (1x 128 bits or 2x 64 or 4x 32). +STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi64(x, y); } +STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } +STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } +STATIC_INLINE __m128i Shuf(__m128i x, __m128i y) { return _mm_shuffle_epi8(y, x); } + +// Requires n >= 256. Requires SSE4.1. Should be slightly faster if the +// compiler uses AVX instructions (e.g., use the -mavx flag with GCC). +STATIC_INLINE uint64_t Hash64Long(const char* s, size_t n, + uint64_t seed0, uint64_t seed1) { + const __m128i kShuf = + _mm_set_epi8(4, 11, 10, 5, 8, 15, 6, 9, 12, 2, 14, 13, 0, 7, 3, 1); + const __m128i kMult = + _mm_set_epi8(0xbd, 0xd6, 0x33, 0x39, 0x45, 0x54, 0xfa, 0x03, + 0x34, 0x3e, 0x33, 0xed, 0xcc, 0x9e, 0x2d, 0x51); + uint64_t seed2 = (seed0 + 113) * (seed1 + 9); + uint64_t seed3 = (Rotate(seed0, 23) + 27) * (Rotate(seed1, 30) + 111); + __m128i d0 = _mm_cvtsi64_si128(seed0); + __m128i d1 = _mm_cvtsi64_si128(seed1); + __m128i d2 = Shuf(kShuf, d0); + __m128i d3 = Shuf(kShuf, d1); + __m128i d4 = Xor(d0, d1); + __m128i d5 = Xor(d1, d2); + __m128i d6 = Xor(d2, d4); + __m128i d7 = _mm_set1_epi32(seed2 >> 32); + __m128i d8 = Mul(kMult, d2); + __m128i d9 = _mm_set1_epi32(seed3 >> 32); + __m128i d10 = _mm_set1_epi32(seed3); + __m128i d11 = Add(d2, _mm_set1_epi32(seed2)); + const char* end = s + (n & ~static_cast<size_t>(255)); + do { + __m128i z; + z = Fetch128(s); + d0 = Add(d0, z); + d1 = Shuf(kShuf, d1); + d2 = Xor(d2, d0); + d4 = Xor(d4, z); + d4 = Xor(d4, d1); + std::swap(d0, d6); + z = Fetch128(s + 16); + d5 = Add(d5, z); + d6 = Shuf(kShuf, d6); + d8 = Shuf(kShuf, d8); + d7 = Xor(d7, d5); + d0 = Xor(d0, z); + d0 = Xor(d0, d6); + std::swap(d5, d11); + z = Fetch128(s + 32); + d1 = Add(d1, z); + d2 = Shuf(kShuf, d2); + d4 = Shuf(kShuf, d4); + d5 = Xor(d5, z); + d5 = Xor(d5, d2); + std::swap(d10, d4); + z = Fetch128(s + 48); + d6 = Add(d6, z); + d7 = Shuf(kShuf, d7); + d0 = Shuf(kShuf, d0); + d8 = Xor(d8, d6); + d1 = Xor(d1, z); + d1 = Add(d1, d7); + z = Fetch128(s + 64); + d2 = Add(d2, z); + d5 = Shuf(kShuf, d5); + d4 = Add(d4, d2); + d6 = Xor(d6, z); + d6 = Xor(d6, d11); + std::swap(d8, d2); + z = Fetch128(s + 80); + d7 = Xor(d7, z); + d8 = Shuf(kShuf, d8); + d1 = Shuf(kShuf, d1); + d0 = Add(d0, d7); + d2 = Add(d2, z); + d2 = Add(d2, d8); + std::swap(d1, d7); + z = Fetch128(s + 96); + d4 = Shuf(kShuf, d4); + d6 = Shuf(kShuf, d6); + d8 = Mul(kMult, d8); + d5 = Xor(d5, d11); + d7 = Xor(d7, z); + d7 = Add(d7, d4); + std::swap(d6, d0); + z = Fetch128(s + 112); + d8 = Add(d8, z); + d0 = Shuf(kShuf, d0); + d2 = Shuf(kShuf, d2); + d1 = Xor(d1, d8); + d10 = Xor(d10, z); + d10 = Xor(d10, d0); + std::swap(d11, d5); + z = Fetch128(s + 128); + d4 = Add(d4, z); + d5 = Shuf(kShuf, d5); + d7 = Shuf(kShuf, d7); + d6 = Add(d6, d4); + d8 = Xor(d8, z); + d8 = Xor(d8, d5); + std::swap(d4, d10); + z = Fetch128(s + 144); + d0 = Add(d0, z); + d1 = Shuf(kShuf, d1); + d2 = Add(d2, d0); + d4 = Xor(d4, z); + d4 = Xor(d4, d1); + z = Fetch128(s + 160); + d5 = Add(d5, z); + d6 = Shuf(kShuf, d6); + d8 = Shuf(kShuf, d8); + d7 = Xor(d7, d5); + d0 = Xor(d0, z); + d0 = Xor(d0, d6); + std::swap(d2, d8); + z = Fetch128(s + 176); + d1 = Add(d1, z); + d2 = Shuf(kShuf, d2); + d4 = Shuf(kShuf, d4); + d5 = Mul(kMult, d5); + d5 = Xor(d5, z); + d5 = Xor(d5, d2); + std::swap(d7, d1); + z = Fetch128(s + 192); + d6 = Add(d6, z); + d7 = Shuf(kShuf, d7); + d0 = Shuf(kShuf, d0); + d8 = Add(d8, d6); + d1 = Xor(d1, z); + d1 = Xor(d1, d7); + std::swap(d0, d6); + z = Fetch128(s + 208); + d2 = Add(d2, z); + d5 = Shuf(kShuf, d5); + d4 = Xor(d4, d2); + d6 = Xor(d6, z); + d6 = Xor(d6, d9); + std::swap(d5, d11); + z = Fetch128(s + 224); + d7 = Add(d7, z); + d8 = Shuf(kShuf, d8); + d1 = Shuf(kShuf, d1); + d0 = Xor(d0, d7); + d2 = Xor(d2, z); + d2 = Xor(d2, d8); + std::swap(d10, d4); + z = Fetch128(s + 240); + d3 = Add(d3, z); + d4 = Shuf(kShuf, d4); + d6 = Shuf(kShuf, d6); + d7 = Mul(kMult, d7); + d5 = Add(d5, d3); + d7 = Xor(d7, z); + d7 = Xor(d7, d4); + std::swap(d3, d9); + s += 256; + } while (s != end); + d6 = Add(Mul(kMult, d6), _mm_cvtsi64_si128(n)); + if (n % 256 != 0) { + d7 = Add(_mm_shuffle_epi32(d8, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)), d7); + d8 = Add(Mul(kMult, d8), _mm_cvtsi64_si128(farmhashxo::Hash64(s, n % 256))); + } + __m128i t[8]; + d0 = Mul(kMult, Shuf(kShuf, Mul(kMult, d0))); + d3 = Mul(kMult, Shuf(kShuf, Mul(kMult, d3))); + d9 = Mul(kMult, Shuf(kShuf, Mul(kMult, d9))); + d1 = Mul(kMult, Shuf(kShuf, Mul(kMult, d1))); + d0 = Add(d11, d0); + d3 = Xor(d7, d3); + d9 = Add(d8, d9); + d1 = Add(d10, d1); + d4 = Add(d3, d4); + d5 = Add(d9, d5); + d6 = Xor(d1, d6); + d2 = Add(d0, d2); + t[0] = d0; + t[1] = d3; + t[2] = d9; + t[3] = d1; + t[4] = d4; + t[5] = d5; + t[6] = d6; + t[7] = d2; + return farmhashxo::Hash64(reinterpret_cast<const char*>(t), sizeof(t)); +} + +uint64_t Hash64(const char *s, size_t len) { + // Empirically, farmhashxo seems faster until length 512. + return len >= 512 ? Hash64Long(s, len, k2, k1) : farmhashxo::Hash64(s, len); +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return len >= 512 ? Hash64Long(s, len, k1, seed) : + farmhashxo::Hash64WithSeed(s, len, seed); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { + return len >= 512 ? Hash64Long(s, len, seed0, seed1) : + farmhashxo::Hash64WithSeeds(s, len, seed0, seed1); +} + +#endif +} // namespace farmhashte diff --git a/contrib/libs/farmhash/farmhashuo.cc b/contrib/libs/farmhash/farmhashuo.cc index 66e84e44d2..ed190a44d5 100644 --- a/contrib/libs/farmhash/farmhashuo.cc +++ b/contrib/libs/farmhash/farmhashuo.cc @@ -1,121 +1,121 @@ -#include "common.h" - -namespace { - #include "farmhashna.cc" -} - -namespace farmhashuo { -#undef Fetch -#define Fetch Fetch64 - -#undef Rotate -#define Rotate Rotate64 - -STATIC_INLINE uint64_t H(uint64_t x, uint64_t y, uint64_t mul, int r) { - uint64_t a = (x ^ y) * mul; - a ^= (a >> 47); - uint64_t b = (y ^ a) * mul; - return Rotate(b, r) * mul; -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, - uint64_t seed0, uint64_t seed1) { - if (len <= 64) { - return farmhashna::Hash64WithSeeds(s, len, seed0, seed1); - } - - // For strings over 64 bytes we loop. Internal state consists of - // 64 bytes: u, v, w, x, y, and z. - uint64_t x = seed0; - uint64_t y = seed1 * k2 + 113; - uint64_t z = farmhashna::ShiftMix(y * k2) * k2; - pair<uint64_t, uint64_t> v = make_pair(seed0, seed1); - pair<uint64_t, uint64_t> w = make_pair(0, 0); - uint64_t u = x - z; - x *= k2; - uint64_t mul = k2 + (u & 0x82); - - // Set end so that after the loop we have 1 to 64 bytes left to process. - const char* end = s + ((len - 1) / 64) * 64; - const char* last64 = end + ((len - 1) & 63) - 63; - assert(s + len - 64 == last64); - do { - uint64_t a0 = Fetch(s); - uint64_t a1 = Fetch(s + 8); - uint64_t a2 = Fetch(s + 16); - uint64_t a3 = Fetch(s + 24); - uint64_t a4 = Fetch(s + 32); - uint64_t a5 = Fetch(s + 40); - uint64_t a6 = Fetch(s + 48); - uint64_t a7 = Fetch(s + 56); - x += a0 + a1; - y += a2; - z += a3; - v.first += a4; - v.second += a5 + a1; - w.first += a6; - w.second += a7; - - x = Rotate(x, 26); - x *= 9; - y = Rotate(y, 29); - z *= mul; - v.first = Rotate(v.first, 33); - v.second = Rotate(v.second, 30); - w.first ^= x; - w.first *= 9; - z = Rotate(z, 32); - z += w.second; - w.second += z; - z *= 9; - std::swap(u, y); - - z += a0 + a6; - v.first += a2; - v.second += a3; - w.first += a4; - w.second += a5 + a6; - x += a1; - y += a7; - - y += v.first; - v.first += x - y; - v.second += w.first; - w.first += v.second; - w.second += x - y; - x += w.second; - w.second = Rotate(w.second, 34); - std::swap(u, z); - s += 64; - } while (s != end); - // Make s point to the last 64 bytes of input. - s = last64; - u *= 9; - v.second = Rotate(v.second, 28); - v.first = Rotate(v.first, 20); - w.first += ((len - 1) & 63); - u += y; - y += u; - x = Rotate(y - x + v.first + Fetch(s + 8), 37) * mul; - y = Rotate(y ^ v.second ^ Fetch(s + 48), 42) * mul; - x ^= w.second * 9; - y += v.first + Fetch(s + 40); - z = Rotate(z + w.first, 33) * mul; - v = farmhashna::WeakHashLen32WithSeeds(s, v.second * mul, x + w.first); - w = farmhashna::WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); - return H(farmhashna::HashLen16(v.first + x, w.first ^ y, mul) + z - u, - H(v.second + y, w.second + z, k2, 30) ^ x, - k2, - 31); -} - -uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { - return len <= 64 ? farmhashna::Hash64WithSeed(s, len, seed) : - Hash64WithSeeds(s, len, 0, seed); -} - -uint64_t Hash64(const char *s, size_t len) { - return len <= 64 ? farmhashna::Hash64(s, len) : - Hash64WithSeeds(s, len, 81, 0); -} -} // namespace farmhashuo +#include "common.h" + +namespace { + #include "farmhashna.cc" +} + +namespace farmhashuo { +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +STATIC_INLINE uint64_t H(uint64_t x, uint64_t y, uint64_t mul, int r) { + uint64_t a = (x ^ y) * mul; + a ^= (a >> 47); + uint64_t b = (y ^ a) * mul; + return Rotate(b, r) * mul; +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, + uint64_t seed0, uint64_t seed1) { + if (len <= 64) { + return farmhashna::Hash64WithSeeds(s, len, seed0, seed1); + } + + // For strings over 64 bytes we loop. Internal state consists of + // 64 bytes: u, v, w, x, y, and z. + uint64_t x = seed0; + uint64_t y = seed1 * k2 + 113; + uint64_t z = farmhashna::ShiftMix(y * k2) * k2; + pair<uint64_t, uint64_t> v = make_pair(seed0, seed1); + pair<uint64_t, uint64_t> w = make_pair(0, 0); + uint64_t u = x - z; + x *= k2; + uint64_t mul = k2 + (u & 0x82); + + // Set end so that after the loop we have 1 to 64 bytes left to process. + const char* end = s + ((len - 1) / 64) * 64; + const char* last64 = end + ((len - 1) & 63) - 63; + assert(s + len - 64 == last64); + do { + uint64_t a0 = Fetch(s); + uint64_t a1 = Fetch(s + 8); + uint64_t a2 = Fetch(s + 16); + uint64_t a3 = Fetch(s + 24); + uint64_t a4 = Fetch(s + 32); + uint64_t a5 = Fetch(s + 40); + uint64_t a6 = Fetch(s + 48); + uint64_t a7 = Fetch(s + 56); + x += a0 + a1; + y += a2; + z += a3; + v.first += a4; + v.second += a5 + a1; + w.first += a6; + w.second += a7; + + x = Rotate(x, 26); + x *= 9; + y = Rotate(y, 29); + z *= mul; + v.first = Rotate(v.first, 33); + v.second = Rotate(v.second, 30); + w.first ^= x; + w.first *= 9; + z = Rotate(z, 32); + z += w.second; + w.second += z; + z *= 9; + std::swap(u, y); + + z += a0 + a6; + v.first += a2; + v.second += a3; + w.first += a4; + w.second += a5 + a6; + x += a1; + y += a7; + + y += v.first; + v.first += x - y; + v.second += w.first; + w.first += v.second; + w.second += x - y; + x += w.second; + w.second = Rotate(w.second, 34); + std::swap(u, z); + s += 64; + } while (s != end); + // Make s point to the last 64 bytes of input. + s = last64; + u *= 9; + v.second = Rotate(v.second, 28); + v.first = Rotate(v.first, 20); + w.first += ((len - 1) & 63); + u += y; + y += u; + x = Rotate(y - x + v.first + Fetch(s + 8), 37) * mul; + y = Rotate(y ^ v.second ^ Fetch(s + 48), 42) * mul; + x ^= w.second * 9; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * mul; + v = farmhashna::WeakHashLen32WithSeeds(s, v.second * mul, x + w.first); + w = farmhashna::WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + return H(farmhashna::HashLen16(v.first + x, w.first ^ y, mul) + z - u, + H(v.second + y, w.second + z, k2, 30) ^ x, + k2, + 31); +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return len <= 64 ? farmhashna::Hash64WithSeed(s, len, seed) : + Hash64WithSeeds(s, len, 0, seed); +} + +uint64_t Hash64(const char *s, size_t len) { + return len <= 64 ? farmhashna::Hash64(s, len) : + Hash64WithSeeds(s, len, 81, 0); +} +} // namespace farmhashuo diff --git a/contrib/libs/farmhash/farmhashxo.cc b/contrib/libs/farmhash/farmhashxo.cc index e9bf1fd797..96ec226687 100644 --- a/contrib/libs/farmhash/farmhashxo.cc +++ b/contrib/libs/farmhash/farmhashxo.cc @@ -1,71 +1,71 @@ -#include "common.h" - -namespace { - #include "farmhashuo.cc" -} - -namespace farmhashxo { -#undef Fetch -#define Fetch Fetch64 - -#undef Rotate -#define Rotate Rotate64 - -STATIC_INLINE uint64_t H32(const char *s, size_t len, uint64_t mul, - uint64_t seed0 = 0, uint64_t seed1 = 0) { - uint64_t a = Fetch(s) * k1; - uint64_t b = Fetch(s + 8); - uint64_t c = Fetch(s + len - 8) * mul; - uint64_t d = Fetch(s + len - 16) * k2; - uint64_t u = Rotate(a + b, 43) + Rotate(c, 30) + d + seed0; - uint64_t v = a + Rotate(b + k2, 18) + c + seed1; - a = farmhashna::ShiftMix((u ^ v) * mul); - b = farmhashna::ShiftMix((v ^ a) * mul); - return b; -} - -// Return an 8-byte hash for 33 to 64 bytes. -STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { - uint64_t mul0 = k2 - 30; - uint64_t mul1 = k2 - 30 + 2 * len; - uint64_t h0 = H32(s, 32, mul0); - uint64_t h1 = H32(s + len - 32, 32, mul1); - return ((h1 * mul1) + h0) * mul1; -} - -// Return an 8-byte hash for 65 to 96 bytes. -STATIC_INLINE uint64_t HashLen65to96(const char *s, size_t len) { - uint64_t mul0 = k2 - 114; - uint64_t mul1 = k2 - 114 + 2 * len; - uint64_t h0 = H32(s, 32, mul0); - uint64_t h1 = H32(s + 32, 32, mul1); - uint64_t h2 = H32(s + len - 32, 32, mul1, h0, h1); - return (h2 * 9 + (h0 >> 17) + (h1 >> 21)) * mul1; -} - -uint64_t Hash64(const char *s, size_t len) { - if (len <= 32) { - if (len <= 16) { - return farmhashna::HashLen0to16(s, len); - } else { - return farmhashna::HashLen17to32(s, len); - } - } else if (len <= 64) { - return HashLen33to64(s, len); - } else if (len <= 96) { - return HashLen65to96(s, len); - } else if (len <= 256) { - return farmhashna::Hash64(s, len); - } else { - return farmhashuo::Hash64(s, len); - } -} - -uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { - return farmhashuo::Hash64WithSeeds(s, len, seed0, seed1); -} - -uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { - return farmhashuo::Hash64WithSeed(s, len, seed); -} -} // namespace farmhashxo +#include "common.h" + +namespace { + #include "farmhashuo.cc" +} + +namespace farmhashxo { +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +STATIC_INLINE uint64_t H32(const char *s, size_t len, uint64_t mul, + uint64_t seed0 = 0, uint64_t seed1 = 0) { + uint64_t a = Fetch(s) * k1; + uint64_t b = Fetch(s + 8); + uint64_t c = Fetch(s + len - 8) * mul; + uint64_t d = Fetch(s + len - 16) * k2; + uint64_t u = Rotate(a + b, 43) + Rotate(c, 30) + d + seed0; + uint64_t v = a + Rotate(b + k2, 18) + c + seed1; + a = farmhashna::ShiftMix((u ^ v) * mul); + b = farmhashna::ShiftMix((v ^ a) * mul); + return b; +} + +// Return an 8-byte hash for 33 to 64 bytes. +STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { + uint64_t mul0 = k2 - 30; + uint64_t mul1 = k2 - 30 + 2 * len; + uint64_t h0 = H32(s, 32, mul0); + uint64_t h1 = H32(s + len - 32, 32, mul1); + return ((h1 * mul1) + h0) * mul1; +} + +// Return an 8-byte hash for 65 to 96 bytes. +STATIC_INLINE uint64_t HashLen65to96(const char *s, size_t len) { + uint64_t mul0 = k2 - 114; + uint64_t mul1 = k2 - 114 + 2 * len; + uint64_t h0 = H32(s, 32, mul0); + uint64_t h1 = H32(s + 32, 32, mul1); + uint64_t h2 = H32(s + len - 32, 32, mul1, h0, h1); + return (h2 * 9 + (h0 >> 17) + (h1 >> 21)) * mul1; +} + +uint64_t Hash64(const char *s, size_t len) { + if (len <= 32) { + if (len <= 16) { + return farmhashna::HashLen0to16(s, len); + } else { + return farmhashna::HashLen17to32(s, len); + } + } else if (len <= 64) { + return HashLen33to64(s, len); + } else if (len <= 96) { + return HashLen65to96(s, len); + } else if (len <= 256) { + return farmhashna::Hash64(s, len); + } else { + return farmhashuo::Hash64(s, len); + } +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { + return farmhashuo::Hash64WithSeeds(s, len, seed0, seed1); +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return farmhashuo::Hash64WithSeed(s, len, seed); +} +} // namespace farmhashxo diff --git a/contrib/libs/farmhash/split.py b/contrib/libs/farmhash/split.py index 2939c75651..083eae63f6 100755 --- a/contrib/libs/farmhash/split.py +++ b/contrib/libs/farmhash/split.py @@ -1,74 +1,74 @@ -#!/usr/bin/env python - - -END_PREFIX = '} // namespace ' -TEST_PREFIX = '#if FARMHASHSELFTEST' - - -def main(): - with open('farmhash.cc', 'rb') as input_file: - lines = input_file.readlines() - - namespace_out = None - - prev_name = None - - output = open('common.h', 'wb') - output.write('#pragma once\n\n') - - def write_common(): - output.write('#include "common.h"\n\n') - - def write_include(include): - if include: - output.write('namespace {\n') - output.write(' ' + '#include "{}"\n'.format(include)) - output.write('}\n\n') - - write_test = False - - for line in lines: - - if line.startswith(TEST_PREFIX): - write_test = True - output.close() - output = open('test.cc', 'wb') - write_common() - write_include('farmhash_iface.h') - - if write_test: - output.write(line) - continue - - elif line.startswith('namespace '): - namespace = line.split(' ')[1] - - if namespace.startswith('farmhash'): - filename = namespace + '.cc' - - output.close() - output = open(filename, 'wb') - write_common() - write_include(prev_name) - - output.write(line) - prev_name = filename - - else: - if prev_name is not None: - output.close() - output = open('farmhash_iface.cc', 'wb') - write_common() - write_include(prev_name) - prev_name = None - - output.write(line) - - else: - output.write(line) - - output.close() - - -if __name__ == '__main__': - main() +#!/usr/bin/env python + + +END_PREFIX = '} // namespace ' +TEST_PREFIX = '#if FARMHASHSELFTEST' + + +def main(): + with open('farmhash.cc', 'rb') as input_file: + lines = input_file.readlines() + + namespace_out = None + + prev_name = None + + output = open('common.h', 'wb') + output.write('#pragma once\n\n') + + def write_common(): + output.write('#include "common.h"\n\n') + + def write_include(include): + if include: + output.write('namespace {\n') + output.write(' ' + '#include "{}"\n'.format(include)) + output.write('}\n\n') + + write_test = False + + for line in lines: + + if line.startswith(TEST_PREFIX): + write_test = True + output.close() + output = open('test.cc', 'wb') + write_common() + write_include('farmhash_iface.h') + + if write_test: + output.write(line) + continue + + elif line.startswith('namespace '): + namespace = line.split(' ')[1] + + if namespace.startswith('farmhash'): + filename = namespace + '.cc' + + output.close() + output = open(filename, 'wb') + write_common() + write_include(prev_name) + + output.write(line) + prev_name = filename + + else: + if prev_name is not None: + output.close() + output = open('farmhash_iface.cc', 'wb') + write_common() + write_include(prev_name) + prev_name = None + + output.write(line) + + else: + output.write(line) + + output.close() + + +if __name__ == '__main__': + main() diff --git a/contrib/libs/farmhash/test.cc b/contrib/libs/farmhash/test.cc index 08d191ae7c..e36b992b66 100644 --- a/contrib/libs/farmhash/test.cc +++ b/contrib/libs/farmhash/test.cc @@ -1,9872 +1,9872 @@ #include <library/cpp/testing/unittest/registar.h> - -#include "common.h" - -#include "farmhash_iface.h" - -#if FARMHASHSELFTEST - -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - + +#include "common.h" + +#include "farmhash_iface.h" + +#if FARMHASHSELFTEST + +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + static char farm_hash_data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - + +static int completed_self_tests = 0; +static int errors = 0; + // Initialize farm_hash_data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; memcpy(farm_hash_data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - /* if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); */ - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashccTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -4223616069u, -3696677242u, -1039179260u, 1690343979u, 1018511555u, 2464489001u, -20368522u, 2663783964u, 175201532u, 1619210592u, -4081014168u, -2576519988u, -3285042206u, 502478099u, 739479538u, 1500332790u, -13754768u, 3789353455u, 3473868058u, 1909255088u, 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-2444530525u, -2543645801u, -1173958423u, 784740616u, 2878693675u, 3127696736u, -3832037316u, 3161002398u, 4084166400u, 4213346853u, -223390424u, -4273380883u, -2130315482u, 3429606032u, 3367732613u, 1912357694u, -422632590u, 1266957023u, 3437535648u, 736404240u, -2281709372u, -415859912u, -212948797u, 351612650u, 3920561440u, 112963586u, -2230727543u, 2851076612u, 1990662634u, 2264296857u, -3131463650u, -2704034623u, -3541637839u, 2954232792u, 533986918u, 4158757533u, -65174248u, 4232639593u, 865906667u, 1948225652u, -779656112u, -3873989249u, -2372984749u, 2346988193u, 1104345713u, 1165654138u, -4045762610u, 3588205178u, 461363991u, 1111215752u, -1389675192u, -2404325151u, -2152228101u, 3808973622u, 1901235912u, 3458690696u, -314513238u, 2539459143u, 2847998873u, 952026138u, -2325705328u, -407844712u, -3727960715u, 2996448351u, 2374336760u, 3138756390u, -2600015243u, 539980418u, 1876285352u, 1670330799u, -1709360377u, -2868531654u, -494777964u, 2773053597u, 599486162u, 3962209577u, -1871328846u, 2171933018u, 110279472u, 384074780u, -4147021936u, -2333589647u, -4251778066u, 40493468u, 3099342316u, 4108779767u, -2812424588u, 954542332u, 2040682331u, 2251152306u, -45915516u, -259525626u, -1045384743u, 4134656562u, 749389261u, 874399445u, -616549904u, 2200447504u, 436024539u, 78972290u, -3210485762u, -1907985531u, -3013721395u, 4214533685u, 4198804243u, 534879265u, -1517190881u, 3756787754u, 1152563554u, 1718750948u, -777737463u, -1402478860u, -1824562784u, 1879401449u, 3515818786u, 513165201u, -1423491227u, 2103067918u, 2291777410u, 1097943000u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + /* if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); */ + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashccTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +1039179260u, 1690343979u, 1018511555u, 2464489001u, +20368522u, 2663783964u, 175201532u, 1619210592u, +4081014168u, +2576519988u, +3285042206u, 502478099u, 739479538u, 1500332790u, +13754768u, 3789353455u, 3473868058u, 1909255088u, +2212771159u, +1112731063u, +826915357u, 2893489933u, 118369799u, 1848668220u, +1308219822u, 249416982u, 64306364u, 4221800195u, +1020067935u, +3955445564u, +563346294u, 550236731u, 2339016688u, 1826259714u, +3872358639u, 2295981050u, 1870005390u, 4015628802u, +1451961420u, +653440099u, +1292493871u, 164377749u, 1717712483u, 463414587u, +3924343675u, 1050492084u, 3566618804u, 2046983362u, +31917516u, +2957164615u, +230718965u, 999595115u, 3534822176u, 2175709186u, +965707431u, 441796222u, 2481718051u, 1827777486u, +2590087362u, +3879448744u, +3515079898u, 1601433082u, 982764532u, 254808716u, 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+// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; if (offset == -1) { int alive = 0; IsAlive(farmhashcc::Hash32WithSeed(farm_hash_data, len++, SEED)); IsAlive(farmhashcc::Hash32(farm_hash_data, len++)); { uint128_t u = farmhashcc::Fingerprint128(farm_hash_data, len++); uint64_t h = Uint128Low64(u); IsAlive(h >> 32); IsAlive((h << 32) >> 32); h = Uint128High64(u); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } Check(farmhashcc::Hash32WithSeed(farm_hash_data + offset, len, SEED)); Check(farmhashcc::Hash32(farm_hash_data + offset, len)); { uint128_t u = farmhashcc::Fingerprint128(farm_hash_data + offset, len); uint64_t h = Uint128Low64(u); Check(h >> 32); Check((h << 32) >> 32); h = Uint128High64(u); Check(h >> 32); Check((h << 32) >> 32); } { uint128_t u = farmhashcc::CityHash128WithSeed(farm_hash_data + offset, len, Uint128(SEED0, SEED1)); uint64_t h = Uint128Low64(u); Check(h >> 32); Check((h << 32) >> 32); h = Uint128High64(u); Check(h >> 32); Check((h << 32) >> 32); } - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashccTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashccTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { cout << farmhashcc::Hash32WithSeed(farm_hash_data + offset, len, SEED) << "u," << endl; cout << farmhashcc::Hash32(farm_hash_data + offset, len) << "u," << endl; { uint128_t u = farmhashcc::Fingerprint128(farm_hash_data + offset, len); uint64_t h = Uint128Low64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u, "; h = Uint128High64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint128_t u = farmhashcc::CityHash128WithSeed(farm_hash_data + offset, len, Uint128(SEED0, SEED1)); uint64_t h = Uint128Low64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u, "; h = Uint128High64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashccTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashccTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashccTest::Dump(0, i); - } - farmhashccTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashccTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashccTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashccTest::Dump(0, i); + } + farmhashccTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + static char farm_hash_data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - + +static int completed_self_tests = 0; +static int errors = 0; + // Initialize farm_hash_data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; memcpy(farm_hash_data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashmkTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -4223616069u, -3696677242u, -4081014168u, -2576519988u, -2212771159u, -1112731063u, -1020067935u, -3955445564u, -1451961420u, -653440099u, -31917516u, -2957164615u, -2590087362u, -3879448744u, -176305566u, -2447367541u, -1359016305u, -3363804638u, -1117290165u, -1062549743u, -2437877004u, -1894455839u, -673206794u, -3486923651u, -3269862919u, -2303349487u, -1380660650u, -595525107u, -1525325287u, -2025609358u, -176408838u, -1592885012u, -864896482u, -2101378090u, -3489229104u, -2118965695u, -581644891u, -2718789079u, -631613207u, -4228658372u, -3867875546u, -3531368319u, -3804516756u, -3317755099u, -1619744564u, -2884717286u, -1088213445u, -2667691076u, -3727873235u, -2330406762u, -3616470388u, -967660719u, -4148162586u, -315219121u, -673084328u, -3047602355u, -1598963653u, -1267826661u, -2117362589u, -2861192253u, -1823625377u, -1380350078u, -1641748342u, -1176094482u, -269384321u, -2178982315u, -3480237248u, -2660755208u, -1850544433u, -3429699438u, -1262819303u, -640556464u, -2421125401u, -2188368608u, -2612932825u, -1474432581u, -173790449u, -2124882189u, -831272654u, -622960146u, -4238751051u, -3250317967u, -2120810248u, -1948231495u, -1389029321u, -2200398357u, -2134232963u, -2948072329u, -617717625u, -681164587u, -114859387u, -430545646u, -57239089u, -3163338012u, -3482496399u, -557662576u, -1102441413u, -2670159360u, -991116729u, -846014240u, -4233741566u, -1802317242u, -3129528802u, -1459456375u, -1305643039u, -3258671612u, -1578285833u, -868590079u, -1631034517u, -1695432937u, -561078856u, -1004115553u, -3086090507u, -3818348650u, -731596645u, -780926790u, -2544205955u, -158479164u, -3983514188u, -2004735250u, -3436218400u, -673684751u, -1463431419u, -2880490219u, -3223748024u, -2218318859u, -1474466194u, -2636437533u, -2206794961u, -140995728u, -1186394086u, -1805716888u, -1640037724u, -3942729099u, -1944727013u, -918951560u, -498666871u, -3486974657u, -2967205462u, -1167253804u, -1884281041u, -2866015002u, -4158319270u, -2627220079u, -3733319624u, -3317092271u, -438323662u, -3195868065u, -3426606709u, -360708338u, -1905491012u, -650004803u, -1351266252u, -3133279000u, -3722811115u, -2722412434u, -918432408u, -3678271248u, -269599647u, -621514057u, -3117077855u, -1545425390u, -2597567410u, -1221437820u, -3493254589u, -102787342u, -918861168u, -348795089u, -3439883229u, -2353641807u, -2209585469u, -4035884492u, -2686995435u, -1649888022u, -3852893848u, -3042700028u, -314103172u, -726977769u, -2489830276u, -2872753660u, -1316214989u, -1488801501u, -1811420390u, -639581627u, -2362837215u, -3634581834u, -3648576802u, -1257314182u, -762118371u, -4268447045u, -730167096u, -755561509u, -882614845u, -3696972894u, -228263661u, -1478636142u, -2767751651u, -1532617116u, -3838657661u, -1944359935u, -1401102137u, -3772933173u, -1050098254u, -1658079354u, -1846025728u, -2204244794u, -2017217424u, -1275162853u, -1429816745u, -2175565479u, -1716109139u, -1187506761u, -2434641075u, -2725597783u, -1795687662u, -1393312782u, -3511565397u, -627885430u, -4145733164u, -2519005353u, -231414775u, -1242015635u, -2760723497u, -2185540568u, -727314436u, -2358790354u, -1186393454u, -4234795645u, -350567813u, -866773875u, -3145590392u, -1158374055u, -3903123687u, -1862119793u, -2204587556u, -4266276976u, -4151548555u, -915250402u, -2874695320u, -2360311410u, -1099212769u, -1271542714u, -3473148363u, -1637325418u, -1807795989u, -2493819794u, -3800917924u, -4001205856u, -2582153621u, -3365872040u, -2890146216u, -2626363824u, -3133351295u, -4046827296u, -3053118771u, -4113026751u, -884356716u, -3828347401u, -10608262u, -830987972u, -1841080500u, -3202717763u, -3561778749u, -1906000052u, -3058284660u, -1432904514u, -2567431677u, -2550162530u, -665557986u, -936887821u, -2101205308u, -4253535847u, -1662043545u, -1253611611u, -2091370094u, -2635077370u, -2602176041u, -3624115809u, -748442714u, -2709749154u, -1023493343u, -860291012u, -3924715584u, -1536436740u, -2551145800u, -2391782865u, -1467705048u, -2583909796u, -3616666170u, -1162857372u, -4228631071u, -1510132376u, -2739165009u, -2656606142u, -3454996358u, -3155038853u, -1022087316u, -100044110u, -494208296u, -2746186477u, -4216782431u, -225448834u, -3728320521u, -335282866u, -3148194874u, -953503703u, -1293353960u, -202372387u, -1326119870u, -4045123735u, -3819994846u, -1629004186u, -1081099186u, -3591584153u, -1670825804u, -3404257979u, -3262192301u, -2572846095u, -3714992543u, -4264142572u, -529616678u, -2882154574u, -3006354178u, -3865969421u, -2007174907u, -308283107u, -2629833703u, -3159124075u, -1146492131u, -494104332u, -493149727u, -1342910585u, -521642387u, -2201695937u, -2517980959u, -2426821287u, -777374655u, -2228189792u, -4027055486u, -228976000u, -3842083468u, -1723920223u, -1192126094u, -787744493u, -2740368380u, -2284153001u, -2773829458u, -442000614u, -387830783u, -2169780670u, -2253144627u, -3532502484u, -1969684059u, -1165351416u, -3055056536u, -3582324253u, -231419363u, -770979865u, -3213983597u, -3690452836u, -935794639u, -3230602762u, -2841762457u, -407598927u, -1164479891u, -3721799696u, -354738136u, -1801566618u, -3206038542u, -2621379981u, -1943487262u, -3534745636u, -1074424589u, -1304517521u, -4133400969u, -2339317978u, -2135116860u, -4180643791u, -2415309340u, -1855926417u, -3418648630u, -1968113037u, -597304222u, -3668824865u, -3810008716u, -3014702569u, -3151212026u, -156057449u, -373134533u, -2068234004u, -191580563u, -3832754488u, -2924104199u, -2026044494u, -4065780435u, -122565840u, -4194985167u, -2744823717u, -2494098735u, -3753793370u, -1885739217u, -2488161225u, -3643797615u, -2653367310u, -2494061477u, -189968132u, -899646597u, -392100396u, -4012318310u, -3855777086u, -3566860954u, -2698574996u, -2414249905u, -1330623339u, -1263222732u, -1277741760u, -2194959402u, -1629656136u, -120494320u, -1072368005u, -1084245077u, -4011372748u, -1366613353u, -3108643228u, -3332219532u, -2114746095u, -3964007334u, -371687128u, -1084813876u, -126459896u, -4292782331u, -321283184u, -398168499u, -3604983506u, -560701543u, -2073961354u, -4240841868u, -4151211362u, -1338986875u, -4093476832u, -2269279497u, -3500846299u, -2510225147u, -598000444u, -1330391422u, -1432533385u, -4171226231u, -426821154u, -2932270996u, -3378981077u, -2217871549u, -1619647984u, -4051608043u, -3180237819u, -12919578u, -1375401767u, -371320427u, -2986640571u, -2336669859u, -3796464715u, -1892383284u, -306814912u, -2125823211u, -1863678891u, -3249703818u, -3840225752u, -281579900u, -264680257u, -4266359110u, -4182229890u, -2239659703u, -3627947372u, -2373929191u, -224082765u, -4053639058u, -1862360303u, -3187739624u, -3392706679u, -948039509u, -817505760u, -1215842393u, -3462222651u, -536021853u, -182346832u, -2731944883u, -2346674384u, -2640961678u, -3446695687u, -2271722179u, -1301069656u, -2803881468u, -2832614405u, -1691544398u, -698756814u, -3980620906u, -3565421410u, -754769376u, -4115923404u, -3909962218u, -2747614077u, -2888289845u, -1016920862u, -2790946178u, -3067070960u, -3173251481u, -1572132982u, -255048203u, -2996538818u, -3405398987u, -136106013u, -3581605228u, -4277437977u, -2147300534u, -3728426265u, -3483629996u, -1478452694u, -20756076u, -2774992067u, -432987927u, -1516771026u, -3511588664u, -2130994978u, -509385406u, -873090347u, -2163904107u, -4192239086u, -2532489989u, -1090772651u, -3910797408u, -3710882132u, -155010959u, -1369823531u, -1599664937u, -4035593587u, -1212746925u, -795822552u, -116689518u, -3674240941u, -1135576664u, -756750261u, -1027431362u, -390555140u, -2228460216u, -1506940482u, -3733857700u, -3048762971u, -2511703196u, -548609887u, -1607354252u, -659053982u, -259884450u, -1793130460u, -4083364495u, -3148555881u, -1764350138u, -2436485683u, -4031563025u, -3261860724u, -2475833430u, -2101726086u, -3191176464u, -2646658847u, -2127042126u, -771316100u, -2115922959u, -3208515045u, -2355437783u, -3621147793u, -1580163615u, -3211555675u, -3299188490u, -191613920u, -466733956u, -2939029038u, -1509152039u, -130591314u, -1892874677u, -1646908044u, -3452406523u, -3998376606u, -1199243832u, -2187108812u, -3189230066u, -4161151481u, -3371454980u, -3681788646u, -180842187u, -3685022399u, -3058749895u, -3250165163u, -2895367943u, -2627101723u, -771755098u, -1332921024u, -3638871848u, -514215135u, -3591227378u, -2300310870u, -3689533503u, -851607114u, -114330368u, -2709027386u, -1743034877u, -1013693860u, -288169008u, -3545190686u, -1052165084u, -3995862307u, -96902755u, -1097819851u, -2645431442u, -2184148618u, -2151206566u, -350979797u, -3467920900u, -421116779u, -1246252u, -4057835428u, -329324407u, -4104482417u, -844624570u, -3306265806u, -3787625025u, -4263241191u, -3251413927u, -2921204431u, -2931915325u, -992134330u, -3986338354u, -1327895216u, -1458363596u, -1480608532u, -728594368u, -3804366693u, -794404223u, -1643240863u, -793417255u, -4167916443u, -2683488959u, -3124925324u, -4184843652u, -3750971752u, -308509829u, -1054550805u, -2797511972u, -4043123412u, -1587158240u, -4050518606u, -3030062190u, -2589912753u, -603440067u, -937013191u, -1071662315u, -2100661456u, -2602005741u, -435516078u, -2260470147u, -1256268350u, -3612035u, -3368856141u, -151516099u, -3081868591u, -3363755681u, -2049963149u, -2885320434u, -84682005u, -2411758308u, -2695174275u, -3099904644u, -1787308684u, -1132379308u, -564634346u, -510236510u, -2804443681u, -3931864252u, -2064427949u, -1893979229u, -2916544974u, -1885887717u, -2978018250u, -494192125u, -2642662373u, -901112508u, -636035003u, -1658643797u, -172746975u, -517504890u, -3440019372u, -4144498044u, -1854755456u, -3672653905u, -4176892856u, -382159097u, -282871690u, -3629300472u, -2500754041u, -1677659759u, -1067175061u, -161654075u, -1672575536u, -346120493u, -2730229631u, -203466442u, -1244549529u, -199761971u, -2744895408u, -3195315331u, -2124618519u, -3261045496u, -985339699u, -3385585455u, -1545740710u, -3636652160u, -2167020081u, -1207897204u, -28752417u, -2895834146u, -3640845375u, -3750293073u, -548997850u, -4207814196u, -4183030708u, -2462810989u, -3929965401u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashmkTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +4081014168u, +2576519988u, +2212771159u, +1112731063u, +1020067935u, +3955445564u, +1451961420u, +653440099u, +31917516u, +2957164615u, +2590087362u, +3879448744u, +176305566u, +2447367541u, +1359016305u, +3363804638u, +1117290165u, +1062549743u, +2437877004u, +1894455839u, +673206794u, +3486923651u, +3269862919u, +2303349487u, +1380660650u, +595525107u, +1525325287u, +2025609358u, +176408838u, +1592885012u, +864896482u, +2101378090u, +3489229104u, +2118965695u, +581644891u, +2718789079u, +631613207u, +4228658372u, +3867875546u, +3531368319u, +3804516756u, +3317755099u, +1619744564u, +2884717286u, +1088213445u, +2667691076u, +3727873235u, +2330406762u, +3616470388u, +967660719u, +4148162586u, +315219121u, +673084328u, +3047602355u, +1598963653u, +1267826661u, +2117362589u, +2861192253u, +1823625377u, +1380350078u, +1641748342u, +1176094482u, +269384321u, +2178982315u, +3480237248u, +2660755208u, +1850544433u, +3429699438u, +1262819303u, +640556464u, +2421125401u, +2188368608u, +2612932825u, +1474432581u, +173790449u, +2124882189u, +831272654u, +622960146u, +4238751051u, +3250317967u, +2120810248u, +1948231495u, +1389029321u, +2200398357u, +2134232963u, +2948072329u, +617717625u, +681164587u, +114859387u, +430545646u, +57239089u, +3163338012u, +3482496399u, +557662576u, +1102441413u, +2670159360u, +991116729u, +846014240u, +4233741566u, +1802317242u, +3129528802u, +1459456375u, +1305643039u, +3258671612u, +1578285833u, +868590079u, +1631034517u, +1695432937u, +561078856u, +1004115553u, +3086090507u, +3818348650u, +731596645u, +780926790u, +2544205955u, +158479164u, +3983514188u, +2004735250u, +3436218400u, +673684751u, +1463431419u, +2880490219u, +3223748024u, +2218318859u, +1474466194u, +2636437533u, +2206794961u, +140995728u, +1186394086u, +1805716888u, +1640037724u, +3942729099u, +1944727013u, +918951560u, +498666871u, +3486974657u, +2967205462u, +1167253804u, +1884281041u, +2866015002u, +4158319270u, +2627220079u, +3733319624u, +3317092271u, +438323662u, +3195868065u, +3426606709u, +360708338u, +1905491012u, +650004803u, +1351266252u, +3133279000u, +3722811115u, +2722412434u, +918432408u, +3678271248u, +269599647u, +621514057u, +3117077855u, +1545425390u, +2597567410u, +1221437820u, +3493254589u, +102787342u, +918861168u, +348795089u, +3439883229u, +2353641807u, +2209585469u, +4035884492u, +2686995435u, +1649888022u, +3852893848u, +3042700028u, +314103172u, +726977769u, +2489830276u, +2872753660u, +1316214989u, +1488801501u, +1811420390u, +639581627u, +2362837215u, +3634581834u, +3648576802u, +1257314182u, +762118371u, +4268447045u, +730167096u, +755561509u, +882614845u, +3696972894u, +228263661u, +1478636142u, +2767751651u, +1532617116u, +3838657661u, +1944359935u, +1401102137u, +3772933173u, +1050098254u, +1658079354u, +1846025728u, +2204244794u, +2017217424u, +1275162853u, +1429816745u, +2175565479u, +1716109139u, +1187506761u, +2434641075u, +2725597783u, +1795687662u, +1393312782u, +3511565397u, +627885430u, +4145733164u, +2519005353u, +231414775u, +1242015635u, +2760723497u, +2185540568u, +727314436u, +2358790354u, +1186393454u, +4234795645u, +350567813u, +866773875u, +3145590392u, +1158374055u, +3903123687u, +1862119793u, +2204587556u, +4266276976u, +4151548555u, +915250402u, +2874695320u, +2360311410u, +1099212769u, +1271542714u, +3473148363u, +1637325418u, +1807795989u, +2493819794u, +3800917924u, +4001205856u, +2582153621u, +3365872040u, +2890146216u, +2626363824u, +3133351295u, +4046827296u, +3053118771u, +4113026751u, +884356716u, +3828347401u, +10608262u, +830987972u, +1841080500u, +3202717763u, +3561778749u, +1906000052u, +3058284660u, +1432904514u, +2567431677u, +2550162530u, +665557986u, +936887821u, +2101205308u, +4253535847u, +1662043545u, +1253611611u, +2091370094u, +2635077370u, +2602176041u, +3624115809u, +748442714u, +2709749154u, +1023493343u, +860291012u, +3924715584u, +1536436740u, +2551145800u, +2391782865u, +1467705048u, +2583909796u, +3616666170u, +1162857372u, +4228631071u, +1510132376u, +2739165009u, +2656606142u, +3454996358u, +3155038853u, +1022087316u, +100044110u, +494208296u, +2746186477u, +4216782431u, +225448834u, +3728320521u, +335282866u, +3148194874u, +953503703u, +1293353960u, +202372387u, +1326119870u, +4045123735u, +3819994846u, +1629004186u, +1081099186u, +3591584153u, +1670825804u, +3404257979u, +3262192301u, +2572846095u, +3714992543u, +4264142572u, +529616678u, +2882154574u, +3006354178u, +3865969421u, +2007174907u, +308283107u, +2629833703u, +3159124075u, +1146492131u, +494104332u, +493149727u, +1342910585u, +521642387u, +2201695937u, +2517980959u, +2426821287u, +777374655u, +2228189792u, +4027055486u, +228976000u, +3842083468u, +1723920223u, +1192126094u, +787744493u, +2740368380u, +2284153001u, +2773829458u, +442000614u, +387830783u, +2169780670u, +2253144627u, +3532502484u, +1969684059u, +1165351416u, +3055056536u, +3582324253u, +231419363u, +770979865u, +3213983597u, +3690452836u, +935794639u, +3230602762u, +2841762457u, +407598927u, +1164479891u, +3721799696u, +354738136u, +1801566618u, +3206038542u, +2621379981u, +1943487262u, +3534745636u, +1074424589u, +1304517521u, +4133400969u, +2339317978u, +2135116860u, +4180643791u, +2415309340u, +1855926417u, +3418648630u, +1968113037u, +597304222u, +3668824865u, +3810008716u, +3014702569u, +3151212026u, +156057449u, +373134533u, +2068234004u, +191580563u, +3832754488u, +2924104199u, +2026044494u, +4065780435u, +122565840u, +4194985167u, +2744823717u, +2494098735u, +3753793370u, +1885739217u, +2488161225u, +3643797615u, +2653367310u, +2494061477u, +189968132u, +899646597u, +392100396u, +4012318310u, +3855777086u, +3566860954u, +2698574996u, +2414249905u, +1330623339u, +1263222732u, +1277741760u, +2194959402u, +1629656136u, +120494320u, +1072368005u, +1084245077u, +4011372748u, +1366613353u, +3108643228u, +3332219532u, +2114746095u, +3964007334u, +371687128u, +1084813876u, +126459896u, +4292782331u, +321283184u, +398168499u, +3604983506u, +560701543u, +2073961354u, +4240841868u, +4151211362u, +1338986875u, +4093476832u, +2269279497u, +3500846299u, +2510225147u, +598000444u, +1330391422u, +1432533385u, +4171226231u, +426821154u, +2932270996u, +3378981077u, +2217871549u, +1619647984u, +4051608043u, +3180237819u, +12919578u, +1375401767u, +371320427u, +2986640571u, +2336669859u, +3796464715u, +1892383284u, +306814912u, +2125823211u, +1863678891u, +3249703818u, +3840225752u, +281579900u, +264680257u, +4266359110u, +4182229890u, +2239659703u, +3627947372u, +2373929191u, +224082765u, +4053639058u, +1862360303u, +3187739624u, +3392706679u, +948039509u, +817505760u, +1215842393u, +3462222651u, +536021853u, +182346832u, +2731944883u, +2346674384u, +2640961678u, +3446695687u, +2271722179u, +1301069656u, +2803881468u, +2832614405u, +1691544398u, +698756814u, +3980620906u, +3565421410u, +754769376u, +4115923404u, +3909962218u, +2747614077u, +2888289845u, +1016920862u, +2790946178u, +3067070960u, +3173251481u, +1572132982u, +255048203u, +2996538818u, +3405398987u, +136106013u, +3581605228u, +4277437977u, +2147300534u, +3728426265u, +3483629996u, +1478452694u, +20756076u, +2774992067u, +432987927u, +1516771026u, +3511588664u, +2130994978u, +509385406u, +873090347u, +2163904107u, +4192239086u, +2532489989u, +1090772651u, +3910797408u, +3710882132u, +155010959u, +1369823531u, +1599664937u, +4035593587u, +1212746925u, +795822552u, +116689518u, +3674240941u, +1135576664u, +756750261u, +1027431362u, +390555140u, +2228460216u, +1506940482u, +3733857700u, +3048762971u, +2511703196u, +548609887u, +1607354252u, +659053982u, +259884450u, +1793130460u, +4083364495u, +3148555881u, +1764350138u, +2436485683u, +4031563025u, +3261860724u, +2475833430u, +2101726086u, +3191176464u, +2646658847u, +2127042126u, +771316100u, +2115922959u, +3208515045u, +2355437783u, +3621147793u, +1580163615u, +3211555675u, +3299188490u, +191613920u, +466733956u, +2939029038u, +1509152039u, +130591314u, +1892874677u, +1646908044u, +3452406523u, +3998376606u, +1199243832u, +2187108812u, +3189230066u, +4161151481u, +3371454980u, +3681788646u, +180842187u, +3685022399u, +3058749895u, +3250165163u, +2895367943u, +2627101723u, +771755098u, +1332921024u, +3638871848u, +514215135u, +3591227378u, +2300310870u, +3689533503u, +851607114u, +114330368u, +2709027386u, +1743034877u, +1013693860u, +288169008u, +3545190686u, +1052165084u, +3995862307u, +96902755u, +1097819851u, +2645431442u, +2184148618u, +2151206566u, +350979797u, +3467920900u, +421116779u, +1246252u, +4057835428u, +329324407u, +4104482417u, +844624570u, +3306265806u, +3787625025u, +4263241191u, +3251413927u, +2921204431u, +2931915325u, +992134330u, +3986338354u, +1327895216u, +1458363596u, +1480608532u, +728594368u, +3804366693u, +794404223u, +1643240863u, +793417255u, +4167916443u, +2683488959u, +3124925324u, +4184843652u, +3750971752u, +308509829u, +1054550805u, +2797511972u, +4043123412u, +1587158240u, +4050518606u, +3030062190u, +2589912753u, +603440067u, +937013191u, +1071662315u, +2100661456u, +2602005741u, +435516078u, +2260470147u, +1256268350u, +3612035u, +3368856141u, +151516099u, +3081868591u, +3363755681u, +2049963149u, +2885320434u, +84682005u, +2411758308u, +2695174275u, +3099904644u, +1787308684u, +1132379308u, +564634346u, +510236510u, +2804443681u, +3931864252u, +2064427949u, +1893979229u, +2916544974u, +1885887717u, +2978018250u, +494192125u, +2642662373u, +901112508u, +636035003u, +1658643797u, +172746975u, +517504890u, +3440019372u, +4144498044u, +1854755456u, +3672653905u, +4176892856u, +382159097u, +282871690u, +3629300472u, +2500754041u, +1677659759u, +1067175061u, +161654075u, +1672575536u, +346120493u, +2730229631u, +203466442u, +1244549529u, +199761971u, +2744895408u, +3195315331u, +2124618519u, +3261045496u, +985339699u, +3385585455u, +1545740710u, +3636652160u, +2167020081u, +1207897204u, +28752417u, +2895834146u, +3640845375u, +3750293073u, +548997850u, +4207814196u, +4183030708u, +2462810989u, +3929965401u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; if (offset == -1) { int alive = 0; IsAlive(farmhashmk::Hash32WithSeed(farm_hash_data, len++, SEED)); IsAlive(farmhashmk::Hash32(farm_hash_data, len++)); IsAlive(farmhashmk::Hash32(farm_hash_data, len++)); len -= 3; return alive > 0; } Check(farmhashmk::Hash32WithSeed(farm_hash_data + offset, len, SEED)); Check(farmhashmk::Hash32(farm_hash_data + offset, len)); - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashmkTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashmkTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { cout << farmhashmk::Hash32WithSeed(farm_hash_data + offset, len, SEED) << "u," << endl; cout << farmhashmk::Hash32(farm_hash_data + offset, len) << "u," << endl; -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashmkTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashmkTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashmkTest::Dump(0, i); - } - farmhashmkTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashmkTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashmkTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashmkTest::Dump(0, i); + } + farmhashmkTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + static char farm_hash_data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - + +static int completed_self_tests = 0; +static int errors = 0; + // Initialize farm_hash_data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; memcpy(farm_hash_data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashnaTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -1140953930u, 861465670u, -3277735313u, 2681724312u, -2598464059u, 797982799u, -890626835u, 800175912u, -2603993599u, 921001710u, -1410420968u, 2134990486u, -3283896453u, 1867689945u, -2914424215u, 2244477846u, -255297188u, 2992121793u, -1110588164u, 4186314283u, -161451183u, 3943596029u, -4019337850u, 452431531u, 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-2522777566u, 1996172430u, -2122199776u, 1069285218u, -1474209360u, 690831894u, -107482532u, 3695525410u, -670591796u, 768977505u, -2412057331u, 3647886687u, -3110327607u, 1072658422u, -379861934u, 1557579480u, -4124127129u, 2271365865u, -3880613089u, 739218494u, -547346027u, 388559045u, -3147335977u, 176230425u, -3094853730u, 2554321205u, -1495176194u, 4093461535u, -3521297827u, 4108148413u, -1913727929u, 1177947623u, -1911655402u, 1053371241u, -3265708874u, 1266515850u, -1045540427u, 3194420196u, -3717104621u, 1144474110u, -1464392345u, 52070157u, -4144237690u, 3350490823u, -4166253320u, 2747410691u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashnaTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +1140953930u, 861465670u, +3277735313u, 2681724312u, +2598464059u, 797982799u, +890626835u, 800175912u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +3283896453u, 1867689945u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +1110588164u, 4186314283u, +161451183u, 3943596029u, +4019337850u, 452431531u, +283198166u, 2741341286u, +3379021470u, 2557197665u, +299850021u, 2532580744u, +452473466u, 1706958772u, +1298374911u, 3099673830u, +2199864459u, 3696623795u, +236935126u, 2976578695u, +4055299123u, 3281581178u, +1053458494u, 1882212500u, +2305012065u, 2169731866u, +3456121707u, 275903667u, +458884671u, 3033004529u, +3058973506u, 2379411653u, +1898235244u, 1402319660u, +2700149065u, 2699376854u, +147814787u, 720739346u, +2433714046u, 4222949502u, +4220361840u, 1712034059u, +3425469811u, 3690733394u, 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1144474110u, +1464392345u, 52070157u, +4144237690u, 3350490823u, +4166253320u, 2747410691u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; if (offset == -1) { int alive = 0; { uint64_t h = farmhashna::Hash64WithSeeds(farm_hash_data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64WithSeed(farm_hash_data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64(farm_hash_data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } { uint64_t h = farmhashna::Hash64WithSeeds(farm_hash_data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64WithSeed(farm_hash_data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64(farm_hash_data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashnaTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashnaTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { { uint64_t h = farmhashna::Hash64WithSeeds(farm_hash_data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashna::Hash64WithSeed(farm_hash_data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashna::Hash64(farm_hash_data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashnaTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashnaTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashnaTest::Dump(0, i); - } - farmhashnaTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashnaTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashnaTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashnaTest::Dump(0, i); + } + farmhashnaTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + static char farm_hash_data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - + +static int completed_self_tests = 0; +static int errors = 0; + // Initialize farm_hash_data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; memcpy(farm_hash_data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashntTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -2681724312u, -797982799u, -921001710u, -2134990486u, 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-2273781461u, -2127663659u, -1646681121u, -447810651u, -2366308558u, -970504950u, -2008155560u, -2695940969u, -3444688454u, -1739318893u, -2683090634u, -2774816580u, -437560100u, -512012738u, -3305170944u, -665292744u, -3580039116u, -1579404983u, -3397891494u, -710590371u, -2514565805u, -3624609754u, -3516075816u, -1314000850u, -1935166880u, -3257747610u, -3776931214u, -3183054185u, -675129307u, -3333261712u, -1154611403u, -2759854023u, -1963228038u, -505138315u, -1803966773u, -4032705384u, -798395739u, -3473799845u, -476400898u, -602972493u, -3289878097u, -2520311409u, -3214794876u, -748160407u, -1326769504u, -902775872u, -1372805534u, -1213925114u, -3009384989u, -3781981134u, -2835608783u, -2716786748u, -1669490957u, -1089334066u, -250756920u, -4041016629u, -2495807367u, -2008251381u, -106212622u, -1927268995u, -2251978818u, -3788056262u, -3678660147u, -2656772270u, -1997584981u, -2668998785u, -2954162084u, -845687881u, -776018378u, -2066910012u, -918315064u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashntTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +2681724312u, +797982799u, +921001710u, +2134990486u, +2244477846u, +2992121793u, +3943596029u, +452431531u, +2557197665u, +2532580744u, +3099673830u, +3696623795u, +3281581178u, +1882212500u, +275903667u, +3033004529u, +1402319660u, +2699376854u, +4222949502u, +1712034059u, +1330324210u, +2921867846u, +1728752234u, +326029180u, +3349570000u, +1612122221u, +1646032583u, +1432476832u, +3552092450u, +1499109081u, +1554038301u, +3190844552u, +540224401u, +489963606u, +1562872448u, +2128624475u, +1262831810u, +1672724608u, +2077310004u, +1911523866u, +294527927u, +1389770549u, +2026137563u, +629449419u, +2489287368u, +645684964u, +230403464u, +3272648435u, +165370827u, +1230085527u, +3628174014u, +851743255u, +1554380634u, +3667013118u, +2290487377u, +1909203251u, +1498556724u, +4165088768u, +197618179u, +914413116u, +1913303225u, +3117299654u, +1357272220u, +507436733u, +1413396341u, +146044391u, +429095991u, +3056862311u, +366414107u, +2293458109u, +1684583131u, +1170404994u, +520792961u, +1577421232u, +4033596884u, +4229339322u, +3242407770u, +2649785113u, +816692935u, +3555213933u, +517646945u, +2180594090u, +3047062993u, +2391606125u, +382936554u, +788479970u, +2826990641u, +3167748333u, +1758123094u, +389974094u, +3338548567u, +2583576230u, +3198590202u, +4155628142u, +542201663u, +2856634168u, +3948351189u, +4194218315u, +1467786451u, +2743592929u, +1062268187u, +3810665822u, +2560479831u, +997658837u, +3067277639u, +1211737169u, +59581167u, +1389679610u, +4189944477u, +100876854u, +2062343506u, +3088828656u, +3284356565u, +3130054947u, +3532596884u, +3887208531u, +259034107u, +3233195759u, +3200749877u, +760633989u, +1115203611u, +1516407838u, +1778459926u, +2146672889u, +2457048126u, +2217471853u, +862072556u, +3745267835u, +701920051u, +581695350u, +1410111809u, +3326135446u, +2187968410u, +4267859263u, +479241367u, +2868987960u, +704325635u, +1418509533u, +735688735u, +3283299459u, +813690332u, +1439630796u, +3195309868u, +1616408198u, +3254795114u, +2799925823u, +3929484338u, +1798536177u, +4205965408u, +1499475160u, +4247675634u, +3779953975u, +785893184u, +2778575413u, +1160134629u, +823113169u, +4116162021u, +4167766971u, +2487440590u, +4004655503u, +4044418876u, +1462554406u, +2011102035u, +4265993528u, +576405853u, +4038839101u, +2425317635u, +1401013391u, +3062418115u, +3167030094u, +2602636307u, +4264167741u, +4017058800u, +1029665228u, +4036354071u, +2670703363u, +688472265u, +1054670286u, +338058159u, 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IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; if (offset == -1) { int alive = 0; IsAlive(farmhashnt::Hash32WithSeed(farm_hash_data, len++, SEED)); IsAlive(farmhashnt::Hash32(farm_hash_data, len++)); IsAlive(farmhashnt::Hash32(farm_hash_data, len++)); len -= 3; return alive > 0; } Check(farmhashnt::Hash32WithSeed(farm_hash_data + offset, len, SEED)); Check(farmhashnt::Hash32(farm_hash_data + offset, len)); - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashntTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashntTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { cout << farmhashnt::Hash32WithSeed(farm_hash_data + offset, len, SEED) << "u," << endl; cout << farmhashnt::Hash32(farm_hash_data + offset, len) << "u," << endl; -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashntTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashntTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashntTest::Dump(0, i); - } - farmhashntTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashntTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashntTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashntTest::Dump(0, i); + } + farmhashntTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + static char farm_hash_data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - + +static int completed_self_tests = 0; +static int errors = 0; + // Initialize farm_hash_data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; memcpy(farm_hash_data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashsaTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -4223616069u, -3696677242u, -4081014168u, -2576519988u, -2212771159u, -1112731063u, -1020067935u, -3955445564u, -1451961420u, -653440099u, -31917516u, -2957164615u, -2590087362u, -3879448744u, -176305566u, -2447367541u, -1359016305u, -3363804638u, -1117290165u, -1062549743u, -2437877004u, -1894455839u, -673206794u, 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-3218935344u, -3284220561u, -4261581452u, -1206944836u, -3496705432u, -2215996876u, -3154627465u, -3384005496u, -742170556u, -1333047620u, -802680366u, -156833431u, -2682100354u, -2493654830u, -584848366u, -1691693131u, -2169934170u, -779968026u, -2099545800u, -1423039695u, -4292110968u, -4266576788u, -149142597u, -748501873u, -3865014822u, -1913588198u, -130285614u, -3500768879u, -915458923u, -3071792750u, -1339986633u, -4143929149u, -4048379479u, -725193827u, -1375113643u, -2425277412u, -4144659274u, -465714768u, -226991589u, -2212127704u, -3936145258u, -2891024846u, -3816000225u, -979331165u, -1749907536u, -53847318u, -1462525833u, -2961425455u, -368859113u, -3572721452u, -453048644u, -1628629918u, -3497673923u, -3619079585u, -139870565u, -1518176798u, -3933074281u, -1878623729u, -2074035641u, -3016759257u, -1313053591u, -2557706970u, -2348296582u, -962370022u, -2337285014u, -1618936717u, -1915877085u, -2743743122u, -3250783882u, -1346652536u, -143311109u, -2443788461u, -1048248964u, -2806619339u, -3263266976u, -1668146349u, -3397428868u, -3276188862u, -1774196343u, -1993847813u, -2771079610u, -476672419u, -2119050359u, -2918326659u, -2245402721u, -2692910474u, -2374383269u, -342400227u, -2961437795u, -3899230368u, -337787132u, -3664444935u, -1269451153u, -2971526729u, -1486511182u, -791070133u, -2570319890u, -3482497490u, -2134230518u, -4273391202u, -1825511330u, -3947753714u, -1389755724u, -3995075516u, -2081052615u, -3626343470u, -4213603435u, -2137917278u, -2898987303u, -3059215715u, -3383237881u, -3003674434u, -409174425u, -1911915604u, -2087728055u, -2942005882u, -3386522440u, -714936074u, -261924004u, -3268784033u, -1141188757u, -2413217552u, -1515163433u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashsaTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +4081014168u, +2576519988u, +2212771159u, +1112731063u, +1020067935u, +3955445564u, +1451961420u, +653440099u, +31917516u, +2957164615u, +2590087362u, +3879448744u, +176305566u, +2447367541u, +1359016305u, +3363804638u, +1117290165u, +1062549743u, +2437877004u, +1894455839u, +673206794u, +3486923651u, +3269862919u, +2303349487u, +1380660650u, +595525107u, +1525325287u, +2025609358u, +176408838u, +1592885012u, +864896482u, +2101378090u, +3489229104u, +2118965695u, +581644891u, +2718789079u, +631613207u, +4228658372u, +3867875546u, +3531368319u, +3804516756u, +3317755099u, +1619744564u, +2884717286u, +1088213445u, +2667691076u, +3727873235u, +2330406762u, +858590707u, +123802208u, +4150036245u, +182283099u, 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+3346420907u, +1504303591u, +2256809275u, +742243229u, +779775302u, +3140940172u, +2312556111u, +2304095772u, +1151741606u, +2194712422u, +1714084652u, +3272736835u, +1311540658u, +191179665u, +3996605106u, +1657345233u, +4205442903u, +1553339212u, +2351843044u, +1647502006u, +2525516233u, +292202846u, +1498646290u, +1429323381u, +974274898u, +3759331561u, +2881238887u, +826787221u, +1069622448u, +221991032u, +1462969082u, +2799661508u, +364022781u, +2594244377u, +797773898u, +4097839290u, +1529150125u, +2456805570u, +541503425u, +3936326142u, +3112719954u, +775223581u, +3074018423u, +3198488875u, +1772191849u, +2456535211u, +3154686028u, +1520862019u, +4005829426u, +1306433767u, +1943028506u, +2246000782u, +1057766454u, +3761996982u, +3441075333u, +898641979u, +3450209088u, +3941329307u, +3289922449u, +3085075827u, +1814193220u, +690422997u, +2627846676u, +2653520704u, +3739145533u, +3996776010u, +2287072592u, +1346671698u, +3082629900u, +2298811274u, +3639722036u, +1729419228u, 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+2081052615u, +3626343470u, +4213603435u, +2137917278u, +2898987303u, +3059215715u, +3383237881u, +3003674434u, +409174425u, +1911915604u, +2087728055u, +2942005882u, +3386522440u, +714936074u, +261924004u, +3268784033u, +1141188757u, +2413217552u, +1515163433u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; if (offset == -1) { int alive = 0; IsAlive(farmhashsa::Hash32WithSeed(farm_hash_data, len++, SEED)); IsAlive(farmhashsa::Hash32(farm_hash_data, len++)); IsAlive(farmhashsa::Hash32(farm_hash_data, len++)); len -= 3; return alive > 0; } Check(farmhashsa::Hash32WithSeed(farm_hash_data + offset, len, SEED)); Check(farmhashsa::Hash32(farm_hash_data + offset, len)); - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashsaTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashsaTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { cout << farmhashsa::Hash32WithSeed(farm_hash_data + offset, len, SEED) << "u," << endl; cout << farmhashsa::Hash32(farm_hash_data + offset, len) << "u," << endl; -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashsaTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashsaTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashsaTest::Dump(0, i); - } - farmhashsaTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashsaTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashsaTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashsaTest::Dump(0, i); + } + farmhashsaTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + static char farm_hash_data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - + +static int completed_self_tests = 0; +static int errors = 0; + // Initialize farm_hash_data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; memcpy(farm_hash_data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashsuTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -4223616069u, -3696677242u, -4081014168u, -2576519988u, -2212771159u, -1112731063u, -1020067935u, -3955445564u, -1451961420u, -653440099u, -31917516u, -2957164615u, -2590087362u, -3879448744u, -176305566u, -2447367541u, -1359016305u, -3363804638u, -1117290165u, -1062549743u, -2437877004u, -1894455839u, -673206794u, 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-3984484924u, -3459883943u, -397478330u, -1738762229u, -3033590066u, -3611539498u, -1363463523u, -3319364965u, -2671169141u, -3819548561u, -1691193757u, -2423834608u, -2820147055u, -1378120632u, -1240565187u, -3180720050u, -680831086u, -3309658414u, -1986166490u, -762099827u, -510883662u, -2047373648u, -3606742294u, -3894965352u, -2342078853u, -1091255717u, -776594727u, -3217317445u, -1574468485u, -3844504016u, -2819598918u, -1037401010u, -2550943503u, -3867184001u, -1687911772u, -165313836u, -1679575281u, -2418947263u, -2038774952u, -3913543652u, -3209155736u, -149905221u, -3859604717u, -713919631u, -4069810796u, -1882959164u, -1019939034u, -2379867302u, -3666323035u, -1157389013u, -2422300650u, -3366777340u, -2526452062u, -1313747885u, -1039617868u, -1620553692u, -2032976978u, -578789528u, -1592846839u, -2270630604u, -897850577u, -1603294178u, -3105664807u, -1442670138u, -1728019360u, -79313861u, -1683031101u, -1913067024u, -4070719870u, -708986470u, -2586453359u, -3993348863u, -3358251279u, -3003552537u, -750174793u, -836888956u, -4190747426u, -4251291318u, -4145164938u, -1366883260u, -1912910955u, -510192669u, -1851315039u, -3574241274u, -3220062924u, -2821142039u, -1317082195u, -2274293302u, -1839219569u, -126586168u, -3989293643u, -2680178207u, -347056948u, -799681430u, -2864517481u, -3180404853u, -213140045u, -1956305184u, -1474675286u, -3085723423u, -2841859626u, -308421914u, -3670309263u, -1765052231u, -245459238u, -113434331u, -4079521092u, -2115235526u, -2943408816u, -1055476938u, -1506442339u, -2291296392u, -3267864332u, -1282145528u, -3700108015u, -1932843667u, -2677701670u, -6041177u, -3889648557u, -1461025478u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashsuTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +4081014168u, +2576519988u, +2212771159u, +1112731063u, +1020067935u, +3955445564u, +1451961420u, +653440099u, +31917516u, +2957164615u, +2590087362u, +3879448744u, +176305566u, +2447367541u, +1359016305u, +3363804638u, +1117290165u, +1062549743u, +2437877004u, +1894455839u, +673206794u, +3486923651u, +3269862919u, +2303349487u, +1380660650u, +595525107u, +1525325287u, +2025609358u, +176408838u, +1592885012u, +864896482u, +2101378090u, +3489229104u, +2118965695u, +581644891u, +2718789079u, +631613207u, +4228658372u, +3867875546u, +3531368319u, +3804516756u, +3317755099u, +1619744564u, +2884717286u, +1088213445u, +2667691076u, +3727873235u, +2330406762u, +858590707u, +457744844u, +4150036245u, +2000404290u, +1478882570u, +901678172u, +819171187u, +195942998u, +4254302102u, +3967266927u, +437030323u, +4018009204u, +2868246750u, +3540087514u, +3154852132u, +3319116625u, +357580983u, +3177665294u, +1108813287u, +1253366798u, +2315997713u, +510718750u, +1360882441u, +2770216279u, +3048866755u, +3406961221u, +3664371439u, +1151145514u, +1027891570u, +2699067992u, +3461888315u, +198061905u, +292769636u, +1106771795u, +4064110516u, +3258279756u, +762850927u, +1818699721u, +2803307356u, +3919169404u, +460980967u, +3125535078u, +2802568977u, +3582546426u, +2148940781u, +3963274378u, +1266953698u, +204185123u, +1100034381u, +3009193601u, +4200651967u, +274889605u, +2700589508u, +952511689u, +3765324859u, +3465498478u, +4014967037u, +2070988082u, +2972423530u, +3068638223u, +4156773651u, +489509804u, +1323863238u, +3731914806u, +2846098469u, +2728930632u, +346814072u, +848146907u, +551160669u, +4165126521u, +2039095001u, +4179859388u, +2434936359u, +2764414551u, +238491210u, +732483969u, +3366512764u, +478307468u, +4124179572u, +4142733597u, +1953448206u, +4199329278u, +865077060u, +2627662116u, +2802499360u, +3141206831u, +1959218197u, +911371451u, +125987200u, +2821366175u, +2530992747u, +2409206225u, +117991880u, +2133402461u, +895510531u, +428719601u, +3036014536u, +1223783733u, +733793540u, +970650405u, +547701766u, +570764615u, +3224485368u, +3192714940u, +319942831u, +3940200341u, +362056204u, +2832368105u, +1853281226u, +3296434636u, +3752508307u, +604292768u, +2231940616u, +1204094681u, +866194005u, +2405201650u, +2466384396u, +380829379u, +230033818u, +2783417588u, +4249886729u, +829569301u, +2988322580u, +2299983554u, +74748560u, +737514425u, +3153050211u, +652642663u, +1270205115u, +227197032u, +2773091790u, +325849216u, +49998791u, +4043203010u, +3662748068u, +1709364383u, +1179105165u, +1478504366u, +2980456610u, +1167476429u, +1590390732u, +1306256496u, +292008135u, +374690995u, +1809200819u, +1680595904u, +646040226u, +1742445560u, +2435776844u, +3703683804u, +478742495u, +814967947u, 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+47684458u, +4211168099u, +889063422u, +469864411u, +767407110u, +413337343u, +1618456644u, +2814499820u, +2401124192u, +632089437u, +1234980238u, +1288585402u, +3153169944u, +2917822069u, +1843320264u, +3794359132u, +3074573530u, +258629454u, +3813357060u, +3806887248u, +1665524736u, +3324533324u, +3005091922u, +793108368u, +1529669805u, +2332660395u, +2217730223u, +2634687611u, +442806463u, +1968135266u, +454523002u, +3177866230u, +2808960136u, +4259114138u, +4103264843u, +3103714075u, +2462967542u, +1466891491u, +477973764u, +834565647u, +741089037u, +218837573u, +1710536528u, +2469088212u, +1229072375u, +2828341u, +176923431u, +985763350u, +4095477420u, +1984145538u, +1870791084u, +674956677u, +1978138947u, +1296493993u, +1818183554u, +3443333721u, +2124949983u, +2549590262u, +2700850794u, +2662736367u, +739638109u, +4061447096u, +2960078422u, +2453781158u, +929570940u, +3200328383u, +2406328791u, +1419180666u, +2152455739u, +2805741044u, +3305999074u, +3183816361u, +2303165050u, +4922104u, +63096005u, +936656347u, +3104453886u, +1088673880u, +1113407526u, +1457890086u, +453478383u, +1107686695u, +3626027824u, +1159687359u, +2248467888u, +2004578380u, +3274954621u, +1787958646u, +2628726704u, +1138419798u, +3735442315u, +692385301u, +313807213u, +2329068673u, +59375364u, +3261084359u, +2088644507u, +2471153194u, +788336435u, +4024527246u, +141504460u, +2307553888u, +1930559950u, +48975711u, +2745693338u, +230161982u, +3429230862u, +1335968626u, +609591304u, +57435073u, +4279281136u, +3152151665u, +3984484924u, +3459883943u, +397478330u, +1738762229u, +3033590066u, +3611539498u, +1363463523u, +3319364965u, +2671169141u, +3819548561u, +1691193757u, +2423834608u, +2820147055u, +1378120632u, +1240565187u, +3180720050u, +680831086u, +3309658414u, +1986166490u, +762099827u, +510883662u, +2047373648u, +3606742294u, +3894965352u, +2342078853u, +1091255717u, +776594727u, +3217317445u, +1574468485u, +3844504016u, +2819598918u, +1037401010u, +2550943503u, +3867184001u, +1687911772u, +165313836u, +1679575281u, +2418947263u, +2038774952u, +3913543652u, +3209155736u, +149905221u, +3859604717u, +713919631u, +4069810796u, +1882959164u, +1019939034u, +2379867302u, +3666323035u, +1157389013u, +2422300650u, +3366777340u, +2526452062u, +1313747885u, +1039617868u, +1620553692u, +2032976978u, +578789528u, +1592846839u, +2270630604u, +897850577u, +1603294178u, +3105664807u, +1442670138u, +1728019360u, +79313861u, +1683031101u, +1913067024u, +4070719870u, +708986470u, +2586453359u, +3993348863u, +3358251279u, +3003552537u, +750174793u, +836888956u, +4190747426u, +4251291318u, +4145164938u, +1366883260u, +1912910955u, +510192669u, +1851315039u, +3574241274u, +3220062924u, +2821142039u, +1317082195u, +2274293302u, +1839219569u, +126586168u, +3989293643u, +2680178207u, +347056948u, +799681430u, +2864517481u, +3180404853u, +213140045u, +1956305184u, +1474675286u, +3085723423u, +2841859626u, +308421914u, +3670309263u, +1765052231u, +245459238u, +113434331u, +4079521092u, +2115235526u, +2943408816u, +1055476938u, +1506442339u, +2291296392u, +3267864332u, +1282145528u, +3700108015u, +1932843667u, +2677701670u, +6041177u, +3889648557u, +1461025478u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; if (offset == -1) { int alive = 0; IsAlive(farmhashsu::Hash32WithSeed(farm_hash_data, len++, SEED)); IsAlive(farmhashsu::Hash32(farm_hash_data, len++)); IsAlive(farmhashsu::Hash32(farm_hash_data, len++)); len -= 3; return alive > 0; } Check(farmhashsu::Hash32WithSeed(farm_hash_data + offset, len, SEED)); Check(farmhashsu::Hash32(farm_hash_data + offset, len)); - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashsuTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashsuTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { cout << farmhashsu::Hash32WithSeed(farm_hash_data + offset, len, SEED) << "u," << endl; cout << farmhashsu::Hash32(farm_hash_data + offset, len) << "u," << endl; -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashsuTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashsuTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashsuTest::Dump(0, i); - } - farmhashsuTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashsuTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashsuTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashsuTest::Dump(0, i); + } + farmhashsuTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + static char farm_hash_data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - + +static int completed_self_tests = 0; +static int errors = 0; + // Initialize farm_hash_data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; memcpy(farm_hash_data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashteTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -1140953930u, 861465670u, -3277735313u, 2681724312u, -2598464059u, 797982799u, -890626835u, 800175912u, -2603993599u, 921001710u, -1410420968u, 2134990486u, -3283896453u, 1867689945u, -2914424215u, 2244477846u, -255297188u, 2992121793u, -1110588164u, 4186314283u, -161451183u, 3943596029u, -4019337850u, 452431531u, -283198166u, 2741341286u, -3379021470u, 2557197665u, -299850021u, 2532580744u, -452473466u, 1706958772u, -1298374911u, 3099673830u, -2199864459u, 3696623795u, -236935126u, 2976578695u, -4055299123u, 3281581178u, -1053458494u, 1882212500u, -2305012065u, 2169731866u, -3456121707u, 275903667u, -458884671u, 3033004529u, -3058973506u, 2379411653u, -1898235244u, 1402319660u, -2700149065u, 2699376854u, -147814787u, 720739346u, -2433714046u, 4222949502u, -4220361840u, 1712034059u, -3425469811u, 3690733394u, -4148372108u, 1330324210u, -594028478u, 2921867846u, -1635026870u, 192883107u, -780716741u, 1728752234u, -3280331829u, 326029180u, -3969463346u, 1436364519u, -393215742u, 3349570000u, -3824583307u, 1612122221u, -2859809759u, 3808705738u, -1379537552u, 1646032583u, -2233466664u, 1432476832u, -4023053163u, 2650381482u, -2052294713u, 3552092450u, -1628777059u, 1499109081u, -3476440786u, 3829307897u, -2960536756u, 1554038301u, -1145519619u, 3190844552u, -2902102606u, 3600725550u, -237495366u, 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-82635635u, 4041016629u, -3391765744u, 2495807367u, -3962674316u, 2822889695u, -753413337u, 2008251381u, -3123390177u, 106212622u, -490570565u, 1684884205u, -793892547u, 1927268995u, -2344148164u, 2251978818u, -437424236u, 2774023200u, -2674940754u, 3788056262u, -2597882666u, 3678660147u, -3797434193u, 3838215866u, -279687080u, 2656772270u, -2190204787u, 1997584981u, -3384401882u, 3160208845u, -3629379425u, 2668998785u, -1050036757u, 2954162084u, -917091826u, 1744374041u, -1454282570u, 845687881u, -2997173625u, 776018378u, -1137560602u, 1938378389u, -1748082354u, 2066910012u, -2677675207u, 918315064u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashteTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +1140953930u, 861465670u, +3277735313u, 2681724312u, +2598464059u, 797982799u, +890626835u, 800175912u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +3283896453u, 1867689945u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +1110588164u, 4186314283u, +161451183u, 3943596029u, +4019337850u, 452431531u, +283198166u, 2741341286u, +3379021470u, 2557197665u, +299850021u, 2532580744u, +452473466u, 1706958772u, +1298374911u, 3099673830u, +2199864459u, 3696623795u, +236935126u, 2976578695u, +4055299123u, 3281581178u, +1053458494u, 1882212500u, +2305012065u, 2169731866u, +3456121707u, 275903667u, +458884671u, 3033004529u, +3058973506u, 2379411653u, +1898235244u, 1402319660u, +2700149065u, 2699376854u, +147814787u, 720739346u, +2433714046u, 4222949502u, +4220361840u, 1712034059u, +3425469811u, 3690733394u, 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+2997173625u, 776018378u, +1137560602u, 1938378389u, +1748082354u, 2066910012u, +2677675207u, 918315064u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; if (offset == -1) { int alive = 0; { uint64_t h = farmhashte::Hash64WithSeeds(farm_hash_data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64WithSeed(farm_hash_data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64(farm_hash_data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } { uint64_t h = farmhashte::Hash64WithSeeds(farm_hash_data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64WithSeed(farm_hash_data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64(farm_hash_data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashteTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashteTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { { uint64_t h = farmhashte::Hash64WithSeeds(farm_hash_data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashte::Hash64WithSeed(farm_hash_data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashte::Hash64(farm_hash_data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashteTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashteTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashteTest::Dump(0, i); - } - farmhashteTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashteTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashteTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashteTest::Dump(0, i); + } + farmhashteTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + static char farm_hash_data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - + +static int completed_self_tests = 0; +static int errors = 0; + // Initialize farm_hash_data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; memcpy(farm_hash_data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashuoTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -3277735313u, 2681724312u, -2598464059u, 797982799u, 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2493478921u, -3738499303u, 3311304980u, -932916545u, 2235559063u, -2909742396u, 1765719309u, -1456588655u, 508290328u, -1490719640u, 3356513470u, -2908490783u, 251085588u, -830410677u, 3172220325u, -3897208579u, 1940535730u, -151909546u, 2384458112u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashuoTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +3277735313u, 2681724312u, +2598464059u, 797982799u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +161451183u, 3943596029u, +4019337850u, 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251085588u, +830410677u, 3172220325u, +3897208579u, 1940535730u, +151909546u, 2384458112u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; if (offset == -1) { int alive = 0; { uint64_t h = farmhashuo::Hash64WithSeed(farm_hash_data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(farm_hash_data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(farm_hash_data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } { uint64_t h = farmhashuo::Hash64WithSeed(farm_hash_data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(farm_hash_data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashuoTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashuoTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { { uint64_t h = farmhashuo::Hash64WithSeed(farm_hash_data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashuo::Hash64(farm_hash_data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashuoTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashuoTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashuoTest::Dump(0, i); - } - farmhashuoTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif -#ifndef FARMHASH_SELF_TEST_GUARD -#define FARMHASH_SELF_TEST_GUARD -#include <cstdio> -#include <iostream> -#include <string.h> - -using std::cout; -using std::cerr; -using std::endl; -using std::hex; - -static const uint64_t kSeed0 = 1234567; -static const uint64_t kSeed1 = k0; -static const int kDataSize = 1 << 20; -static const int kTestSize = 300; -#define kSeed128 Uint128(kSeed0, kSeed1) - +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashuoTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashuoTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashuoTest::Dump(0, i); + } + farmhashuoTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include <cstdio> +#include <iostream> +#include <string.h> + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + static char farm_hash_data[kDataSize]; - -static int completed_self_tests = 0; -static int errors = 0; - + +static int completed_self_tests = 0; +static int errors = 0; + // Initialize farm_hash_data to pseudorandom values. -void Setup() { - if (completed_self_tests == 0) { - uint64_t a = 9; - uint64_t b = 777; - for (int i = 0; i < kDataSize; i++) { - a += b; - b += a; - a = (a ^ (a >> 41)) * k0; - b = (b ^ (b >> 41)) * k0 + i; - uint8_t u = b >> 37; +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; memcpy(farm_hash_data + i, &u, 1); // uint8_t -> char - } - } -} - -int NoteErrors() { -#define NUM_SELF_TESTS 9 - if (++completed_self_tests == NUM_SELF_TESTS) - std::exit(errors > 0); - return errors; -} - -template <typename T> inline bool IsNonZero(T x) { - return x != 0; -} - -template <> inline bool IsNonZero<uint128_t>(uint128_t x) { - return x != Uint128(0, 0); -} - -#endif // FARMHASH_SELF_TEST_GUARD - -namespace farmhashxoTest { - -uint32_t CreateSeed(int offset, int salt) { - uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h += static_cast<uint32_t>(offset & 0xffffffff); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - h = h * c1; - h ^= (h >> 17); - return h; -} - -#undef SEED -#undef SEED1 -#undef SEED0 -#define SEED CreateSeed(offset, -1) -#define SEED0 CreateSeed(offset, 0) -#define SEED1 CreateSeed(offset, 1) - -#undef TESTING -#define TESTING 1 -#if TESTING -uint32_t expected[] = { -1140953930u, 861465670u, -3277735313u, 2681724312u, -2598464059u, 797982799u, -890626835u, 800175912u, -2603993599u, 921001710u, -1410420968u, 2134990486u, -3283896453u, 1867689945u, -2914424215u, 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731493104u, -2707384133u, 2289193651u, -132259176u, 4115195437u, -1769890695u, 2715470335u, -3348954692u, 2166575624u, -1819263183u, 2028531518u, -2154809766u, 3672399742u, -1142139448u, 88299682u, -76727603u, 4198182186u, -2304993586u, 1666387627u, -2488475423u, 3832777692u, -284366017u, 3359785538u, -3469807328u, 2926494787u, -1914195188u, 1134129972u, -3829072836u, 2493478921u, -3738499303u, 3311304980u, -726951526u, 911080963u, -932916545u, 2235559063u, -2909742396u, 1765719309u, -465269850u, 3803621553u, -1456588655u, 508290328u, -1490719640u, 3356513470u, -2262196163u, 1451774941u, -2908490783u, 251085588u, -830410677u, 3172220325u, -4039692645u, 1383603170u, -3897208579u, 1940535730u, -151909546u, 2384458112u, -}; - -// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. -bool Test(int offset, int len = 0) { -#undef Check -#undef IsAlive - -#define Check(x) do { \ - const uint32_t actual = (x), e = expected[index++]; \ - bool ok = actual == e; \ - if (!ok) { \ - cerr << "expected " << hex << e << " but got " << actual << endl; \ - ++errors; \ - } \ - assert(ok); \ -} while (0) - -#define IsAlive(x) do { alive += IsNonZero(x); } while (0) - - // After the following line is where the uses of "Check" and such will go. - static int index = 0; + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template <typename T> inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero<uint128_t>(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashxoTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast<uint32_t>(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast<uint32_t>(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +1140953930u, 861465670u, +3277735313u, 2681724312u, +2598464059u, 797982799u, +890626835u, 800175912u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +3283896453u, 1867689945u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +1110588164u, 4186314283u, +161451183u, 3943596029u, +4019337850u, 452431531u, +283198166u, 2741341286u, +3379021470u, 2557197665u, +299850021u, 2532580744u, +452473466u, 1706958772u, +1298374911u, 3099673830u, +2199864459u, 3696623795u, +236935126u, 2976578695u, +4055299123u, 3281581178u, +1053458494u, 1882212500u, +2305012065u, 2169731866u, +3456121707u, 275903667u, +458884671u, 3033004529u, +3058973506u, 2379411653u, +1898235244u, 1402319660u, +2700149065u, 2699376854u, 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2026137563u, +3603803785u, 629449419u, +1933894405u, 3043213226u, +226132789u, 2489287368u, +1552847036u, 645684964u, +3828089804u, 3632594520u, +187883449u, 230403464u, +3151491850u, 3272648435u, +3729087873u, 1303930448u, +2002861219u, 165370827u, +916494250u, 1230085527u, +3103338579u, 3064290191u, +3807265751u, 3628174014u, +231181488u, 851743255u, +2295806711u, 1781190011u, +2988893883u, 1554380634u, +1142264800u, 3667013118u, +1968445277u, 315203929u, +2638023604u, 2290487377u, +732137533u, 1909203251u, +440398219u, 1891630171u, +1380301172u, 1498556724u, +4072067757u, 4165088768u, +4204318635u, 441430649u, +3931792696u, 197618179u, +956300927u, 914413116u, +3010839769u, 2837339569u, +2148126371u, 1913303225u, +3074915312u, 3117299654u, +4139181436u, 2993479124u, +3178848746u, 1357272220u, +1438494951u, 507436733u, +667183474u, 2084369203u, +3854939912u, 1413396341u, +126024219u, 146044391u, +1016656857u, 3022024459u, +3254014218u, 429095991u, +990500595u, 3056862311u, 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+3606709555u, 3424793077u, +315836068u, 3200749877u, +4065431359u, 760633989u, +2982018998u, 1811050648u, +234531934u, 1115203611u, +3897494162u, 1516407838u, +1603559457u, 323296368u, +2632963283u, 1778459926u, +2879836826u, 2146672889u, +3486330348u, 492621815u, +1231665285u, 2457048126u, +3438440082u, 2217471853u, +3355404249u, 3275550588u, +1052645068u, 862072556u, +4110617119u, 3745267835u, +2657392572u, 4279236653u, +1688445808u, 701920051u, +956734128u, 581695350u, +3157862788u, 2585726058u, +1192588249u, 1410111809u, +1651193125u, 3326135446u, +1073280453u, 97376972u, +2513844237u, 2187968410u, +3976859649u, 4267859263u, +3429034542u, 564493077u, +3000537321u, 479241367u, +3845637831u, 2868987960u, +51544337u, 1029173765u, +393624922u, 704325635u, +2357610553u, 1418509533u, +2007814586u, 3866658271u, +3082385053u, 735688735u, +916110004u, 3283299459u, +1051684175u, 1083796807u, +4074716319u, 813690332u, +144264390u, 1439630796u, +1508556987u, 675582689u, +3748881891u, 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+1456588655u, 508290328u, +1490719640u, 3356513470u, +2262196163u, 1451774941u, +2908490783u, 251085588u, +830410677u, 3172220325u, +4039692645u, 1383603170u, +3897208579u, 1940535730u, +151909546u, 2384458112u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; if (offset == -1) { int alive = 0; { uint64_t h = farmhashxo::Hash64WithSeeds(farm_hash_data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64WithSeed(farm_hash_data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64(farm_hash_data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } { uint64_t h = farmhashxo::Hash64WithSeeds(farm_hash_data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64WithSeed(farm_hash_data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64(farm_hash_data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } - - return true; -#undef Check -#undef IsAlive -} - -int RunTest() { - Setup(); - int i = 0; - cout << "Running farmhashxoTest"; - if (!Test(-1)) { - cout << "... Unavailable\n"; - return NoteErrors(); - } - // Good. The function is attempting to hash, so run the full test. - int errors_prior_to_test = errors; - for ( ; i < kTestSize - 1; i++) { - Test(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - Test(0, i); - } - Test(0, kDataSize); - cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); - return NoteErrors(); -} - -#else - -// After the following line is where the code to print hash codes will go. -void Dump(int offset, int len) { + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashxoTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { { uint64_t h = farmhashxo::Hash64WithSeeds(farm_hash_data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashxo::Hash64WithSeed(farm_hash_data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } { uint64_t h = farmhashxo::Hash64(farm_hash_data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } -} - -#endif - -#undef SEED -#undef SEED1 -#undef SEED0 - -} // namespace farmhashxoTest - -#if !TESTING -int main(int argc, char** argv) { - Setup(); - cout << "uint32_t expected[] = {\n"; - int i = 0; - for ( ; i < kTestSize - 1; i++) { - farmhashxoTest::Dump(i * i, i); - } - for ( ; i < kDataSize; i += i / 7) { - farmhashxoTest::Dump(0, i); - } - farmhashxoTest::Dump(0, kDataSize); - cout << "};\n"; -} -#endif - +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashxoTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashxoTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashxoTest::Dump(0, i); + } + farmhashxoTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif + Y_UNIT_TEST_SUITE(FarmhashTest) { Y_UNIT_TEST(Test) { - UNIT_ASSERT(farmhashccTest::RunTest() == 0); - UNIT_ASSERT(farmhashmkTest::RunTest() == 0); - UNIT_ASSERT(farmhashnaTest::RunTest() == 0); - UNIT_ASSERT(farmhashntTest::RunTest() == 0); - UNIT_ASSERT(farmhashsaTest::RunTest() == 0); - UNIT_ASSERT(farmhashsuTest::RunTest() == 0); - UNIT_ASSERT(farmhashteTest::RunTest() == 0); - UNIT_ASSERT(farmhashuoTest::RunTest() == 0); - UNIT_ASSERT(farmhashxoTest::RunTest() == 0); - } -} - -#endif // FARMHASHSELFTEST + UNIT_ASSERT(farmhashccTest::RunTest() == 0); + UNIT_ASSERT(farmhashmkTest::RunTest() == 0); + UNIT_ASSERT(farmhashnaTest::RunTest() == 0); + UNIT_ASSERT(farmhashntTest::RunTest() == 0); + UNIT_ASSERT(farmhashsaTest::RunTest() == 0); + UNIT_ASSERT(farmhashsuTest::RunTest() == 0); + UNIT_ASSERT(farmhashteTest::RunTest() == 0); + UNIT_ASSERT(farmhashuoTest::RunTest() == 0); + UNIT_ASSERT(farmhashxoTest::RunTest() == 0); + } +} + +#endif // FARMHASHSELFTEST diff --git a/contrib/libs/farmhash/ut/ya.make b/contrib/libs/farmhash/ut/ya.make index 94c6d15208..a7f689f8c5 100644 --- a/contrib/libs/farmhash/ut/ya.make +++ b/contrib/libs/farmhash/ut/ya.make @@ -1,13 +1,13 @@ -UNITTEST_FOR(contrib/libs/farmhash) - +UNITTEST_FOR(contrib/libs/farmhash) + OWNER( somov ) - -NO_COMPILER_WARNINGS() - -CFLAGS(-DFARMHASHSELFTEST) - -SRCS(test.cc) - -END() + +NO_COMPILER_WARNINGS() + +CFLAGS(-DFARMHASHSELFTEST) + +SRCS(test.cc) + +END() diff --git a/contrib/libs/farmhash/ya.make b/contrib/libs/farmhash/ya.make index 5e1a631819..8348d45d32 100644 --- a/contrib/libs/farmhash/ya.make +++ b/contrib/libs/farmhash/ya.make @@ -1,30 +1,30 @@ -LIBRARY() - -LICENSE(MIT) - +LIBRARY() + +LICENSE(MIT) + LICENSE_TEXTS(.yandex_meta/licenses.list.txt) VERSION(2017-06-26-23eecfbe7e84ebf2e229bd02248f431c36e12f1a) OWNER(somov) - + ADDINCL(GLOBAL contrib/libs/farmhash/include) -PEERDIR( - contrib/libs/farmhash/arch/sse41 - contrib/libs/farmhash/arch/sse42 - contrib/libs/farmhash/arch/sse42_aesni -) - -NO_COMPILER_WARNINGS() - -SRCS( - farmhashuo.cc - farmhashxo.cc - farmhashna.cc - farmhashmk.cc - farmhashcc.cc - farmhash_iface.cc -) - -END() +PEERDIR( + contrib/libs/farmhash/arch/sse41 + contrib/libs/farmhash/arch/sse42 + contrib/libs/farmhash/arch/sse42_aesni +) + +NO_COMPILER_WARNINGS() + +SRCS( + farmhashuo.cc + farmhashxo.cc + farmhashna.cc + farmhashmk.cc + farmhashcc.cc + farmhash_iface.cc +) + +END() |