diff options
author | ilezhankin <ilezhankin@yandex-team.ru> | 2022-02-10 16:45:55 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:55 +0300 |
commit | 1d125034f06575234f83f24f08677955133f140e (patch) | |
tree | ec05fbbd61dc118d5de37f206ab978cff58774bd /contrib/restricted/cityhash-1.0.2 | |
parent | 3a7a498715ef1b66f5054455421b845e45e3a653 (diff) | |
download | ydb-1d125034f06575234f83f24f08677955133f140e.tar.gz |
Restoring authorship annotation for <ilezhankin@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/restricted/cityhash-1.0.2')
-rw-r--r-- | contrib/restricted/cityhash-1.0.2/COPYING | 38 | ||||
-rw-r--r-- | contrib/restricted/cityhash-1.0.2/city.cc | 958 | ||||
-rw-r--r-- | contrib/restricted/cityhash-1.0.2/city.h | 208 | ||||
-rw-r--r-- | contrib/restricted/cityhash-1.0.2/citycrc.h | 102 | ||||
-rw-r--r-- | contrib/restricted/cityhash-1.0.2/config.h | 250 | ||||
-rw-r--r-- | contrib/restricted/cityhash-1.0.2/ya.make | 32 |
6 files changed, 794 insertions, 794 deletions
diff --git a/contrib/restricted/cityhash-1.0.2/COPYING b/contrib/restricted/cityhash-1.0.2/COPYING index bf15194dd5..31ce3be304 100644 --- a/contrib/restricted/cityhash-1.0.2/COPYING +++ b/contrib/restricted/cityhash-1.0.2/COPYING @@ -1,19 +1,19 @@ -// Copyright (c) 2011 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) 2011 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/restricted/cityhash-1.0.2/city.cc b/contrib/restricted/cityhash-1.0.2/city.cc index 86d11fda6e..26ef0270d6 100644 --- a/contrib/restricted/cityhash-1.0.2/city.cc +++ b/contrib/restricted/cityhash-1.0.2/city.cc @@ -1,479 +1,479 @@ -// Copyright (c) 2011 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. -// -// CityHash, by Geoff Pike and Jyrki Alakuijala -// -// This file provides CityHash64() and related functions. -// -// It's probably possible to create even faster hash functions by -// writing a program that systematically explores some of the space of -// possible hash functions, by using SIMD instructions, or by -// compromising on hash quality. - -#include "config.h" -#include <city.h> - -#include <algorithm> -#include <string.h> // for memcpy and memset - -#ifdef __SSE4_2__ -#include <citycrc.h> -#include <nmmintrin.h> -#endif - -using namespace std; - - -#if !defined(WORDS_BIGENDIAN) - -#define uint32_in_expected_order(x) (x) -#define uint64_in_expected_order(x) (x) - -#else - -#ifdef _MSC_VER -#include <stdlib.h> -#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> -#define bswap_32(x) OSSwapInt32(x) -#define bswap_64(x) OSSwapInt64(x) - -#else -#include <byteswap.h> -#endif - -#define uint32_in_expected_order(x) (bswap_32(x)) -#define uint64_in_expected_order(x) (bswap_64(x)) - -#endif // WORDS_BIGENDIAN - -#if !defined(LIKELY) -#if HAVE_BUILTIN_EXPECT -#define LIKELY(x) (__builtin_expect(!!(x), 1)) -#else -#define LIKELY(x) (x) -#endif -#endif - -namespace CityHash_v1_0_2 -{ - -static uint64 UNALIGNED_LOAD64(const char *p) { - uint64 result; - memcpy(&result, p, sizeof(result)); - return result; -} - -static uint32 UNALIGNED_LOAD32(const char *p) { - uint32 result; - memcpy(&result, p, sizeof(result)); - return result; -} - -static uint64 Fetch64(const char *p) { - return uint64_in_expected_order(UNALIGNED_LOAD64(p)); -} - -static uint32 Fetch32(const char *p) { - return uint32_in_expected_order(UNALIGNED_LOAD32(p)); -} - -// Some primes between 2^63 and 2^64 for various uses. -static const uint64 k0 = 0xc3a5c85c97cb3127ULL; -static const uint64 k1 = 0xb492b66fbe98f273ULL; -static const uint64 k2 = 0x9ae16a3b2f90404fULL; -static const uint64 k3 = 0xc949d7c7509e6557ULL; - -// Bitwise right rotate. Normally this will compile to a single -// instruction, especially if the shift is a manifest constant. -static uint64 Rotate(uint64 val, int shift) { - // Avoid shifting by 64: doing so yields an undefined result. - return shift == 0 ? val : ((val >> shift) | (val << (64 - shift))); -} - -// Equivalent to Rotate(), but requires the second arg to be non-zero. -// On x86-64, and probably others, it's possible for this to compile -// to a single instruction if both args are already in registers. -static uint64 RotateByAtLeast1(uint64 val, int shift) { - return (val >> shift) | (val << (64 - shift)); -} - -static uint64 ShiftMix(uint64 val) { - return val ^ (val >> 47); -} - -static uint64 HashLen16(uint64 u, uint64 v) { - return Hash128to64(uint128(u, v)); -} - -static uint64 HashLen0to16(const char *s, size_t len) { - if (len > 8) { - uint64 a = Fetch64(s); - uint64 b = Fetch64(s + len - 8); - return HashLen16(a, RotateByAtLeast1(b + len, len)) ^ b; - } - if (len >= 4) { - uint64 a = Fetch32(s); - return HashLen16(len + (a << 3), Fetch32(s + len - 4)); - } - if (len > 0) { - uint8 a = s[0]; - uint8 b = s[len >> 1]; - uint8 c = s[len - 1]; - uint32 y = static_cast<uint32>(a) + (static_cast<uint32>(b) << 8); - uint32 z = len + (static_cast<uint32>(c) << 2); - return ShiftMix(y * k2 ^ z * k3) * k2; - } - return k2; -} - -// This probably works well for 16-byte strings as well, but it may be overkill -// in that case. -static uint64 HashLen17to32(const char *s, size_t len) { - uint64 a = Fetch64(s) * k1; - uint64 b = Fetch64(s + 8); - uint64 c = Fetch64(s + len - 8) * k2; - uint64 d = Fetch64(s + len - 16) * k0; - return HashLen16(Rotate(a - b, 43) + Rotate(c, 30) + d, - a + Rotate(b ^ k3, 20) - c + len); -} - -// Return a 16-byte hash for 48 bytes. Quick and dirty. -// Callers do best to use "random-looking" values for a and b. -static pair<uint64, uint64> WeakHashLen32WithSeeds( - uint64 w, uint64 x, uint64 y, uint64 z, uint64 a, uint64 b) { - a += w; - b = Rotate(b + a + z, 21); - uint64 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 pair<uint64, uint64> WeakHashLen32WithSeeds( - const char* s, uint64 a, uint64 b) { - return WeakHashLen32WithSeeds(Fetch64(s), - Fetch64(s + 8), - Fetch64(s + 16), - Fetch64(s + 24), - a, - b); -} - -// Return an 8-byte hash for 33 to 64 bytes. -static uint64 HashLen33to64(const char *s, size_t len) { - uint64 z = Fetch64(s + 24); - uint64 a = Fetch64(s) + (len + Fetch64(s + len - 16)) * k0; - uint64 b = Rotate(a + z, 52); - uint64 c = Rotate(a, 37); - a += Fetch64(s + 8); - c += Rotate(a, 7); - a += Fetch64(s + 16); - uint64 vf = a + z; - uint64 vs = b + Rotate(a, 31) + c; - a = Fetch64(s + 16) + Fetch64(s + len - 32); - z = Fetch64(s + len - 8); - b = Rotate(a + z, 52); - c = Rotate(a, 37); - a += Fetch64(s + len - 24); - c += Rotate(a, 7); - a += Fetch64(s + len - 16); - uint64 wf = a + z; - uint64 ws = b + Rotate(a, 31) + c; - uint64 r = ShiftMix((vf + ws) * k2 + (wf + vs) * k0); - return ShiftMix(r * k0 + vs) * k2; -} - -uint64 CityHash64(const char *s, size_t len) { - 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 hash the end first, and then as we - // loop we keep 56 bytes of state: v, w, x, y, and z. - uint64 x = Fetch64(s); - uint64 y = Fetch64(s + len - 16) ^ k1; - uint64 z = Fetch64(s + len - 56) ^ k0; - pair<uint64, uint64> v = WeakHashLen32WithSeeds(s + len - 64, len, y); - pair<uint64, uint64> w = WeakHashLen32WithSeeds(s + len - 32, len * k1, k0); - z += ShiftMix(v.second) * k1; - x = Rotate(z + x, 39) * k1; - y = Rotate(y, 33) * k1; - - // Decrease len to the nearest multiple of 64, and operate on 64-byte chunks. - len = (len - 1) & ~static_cast<size_t>(63); - do { - x = Rotate(x + y + v.first + Fetch64(s + 16), 37) * k1; - y = Rotate(y + v.second + Fetch64(s + 48), 42) * k1; - x ^= w.second; - y ^= v.first; - z = Rotate(z ^ w.first, 33); - v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); - w = WeakHashLen32WithSeeds(s + 32, z + w.second, y); - std::swap(z, x); - s += 64; - len -= 64; - } while (len != 0); - return HashLen16(HashLen16(v.first, w.first) + ShiftMix(y) * k1 + z, - HashLen16(v.second, w.second) + x); -} - -uint64 CityHash64WithSeed(const char *s, size_t len, uint64 seed) { - return CityHash64WithSeeds(s, len, k2, seed); -} - -uint64 CityHash64WithSeeds(const char *s, size_t len, - uint64 seed0, uint64 seed1) { - return HashLen16(CityHash64(s, len) - seed0, seed1); -} - -// A subroutine for CityHash128(). Returns a decent 128-bit hash for strings -// of any length representable in ssize_t. Based on City and Murmur. -static uint128 CityMurmur(const char *s, size_t len, uint128 seed) { - uint64 a = Uint128Low64(seed); - uint64 b = Uint128High64(seed); - uint64 c = 0; - uint64 d = 0; - ssize_t l = len - 16; - if (l <= 0) { // len <= 16 - a = ShiftMix(a * k1) * k1; - c = b * k1 + HashLen0to16(s, len); - d = ShiftMix(a + (len >= 8 ? Fetch64(s) : c)); - } else { // len > 16 - c = HashLen16(Fetch64(s + len - 8) + k1, a); - d = HashLen16(b + len, c + Fetch64(s + len - 16)); - a += d; - do { - a ^= ShiftMix(Fetch64(s) * k1) * k1; - a *= k1; - b ^= a; - c ^= ShiftMix(Fetch64(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 CityHash128WithSeed(const char *s, size_t len, uint128 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, uint64> v, w; - uint64 x = Uint128Low64(seed); - uint64 y = Uint128High64(seed); - uint64 z = len * k1; - v.first = Rotate(y ^ k1, 49) * k1 + Fetch64(s); - v.second = Rotate(v.first, 42) * k1 + Fetch64(s + 8); - w.first = Rotate(y + z, 35) * k1 + x; - w.second = Rotate(x + Fetch64(s + 88), 53) * k1; - - // This is the same inner loop as CityHash64(), manually unrolled. - do { - x = Rotate(x + y + v.first + Fetch64(s + 16), 37) * k1; - y = Rotate(y + v.second + Fetch64(s + 48), 42) * k1; - x ^= w.second; - y ^= v.first; - z = Rotate(z ^ w.first, 33); - v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); - w = WeakHashLen32WithSeeds(s + 32, z + w.second, y); - std::swap(z, x); - s += 64; - x = Rotate(x + y + v.first + Fetch64(s + 16), 37) * k1; - y = Rotate(y + v.second + Fetch64(s + 48), 42) * k1; - x ^= w.second; - y ^= v.first; - z = Rotate(z ^ w.first, 33); - v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); - w = WeakHashLen32WithSeeds(s + 32, z + w.second, y); - std::swap(z, x); - s += 64; - len -= 128; - } while (LIKELY(len >= 128)); - y += Rotate(w.first, 37) * k0 + z; - x += Rotate(v.first + z, 49) * 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(y - x, 42) * k0 + v.second; - w.first += Fetch64(s + len - tail_done + 16); - x = Rotate(x, 49) * k0 + w.first; - w.first += v.first; - v = WeakHashLen32WithSeeds(s + len - tail_done, v.first, v.second); - } - // At this point our 48 bytes of state should contain more than - // enough information for a strong 128-bit hash. We use two - // different 48-byte-to-8-byte hashes to get a 16-byte final result. - x = HashLen16(x, v.first); - y = HashLen16(y, w.first); - return uint128(HashLen16(x + v.second, w.second) + y, - HashLen16(x + w.second, y + v.second)); -} - -uint128 CityHash128(const char *s, size_t len) { - if (len >= 16) { - return CityHash128WithSeed(s + 16, - len - 16, - uint128(Fetch64(s) ^ k3, - Fetch64(s + 8))); - } else if (len >= 8) { - return CityHash128WithSeed(NULL, - 0, - uint128(Fetch64(s) ^ (len * k0), - Fetch64(s + len - 8) ^ k1)); - } else { - return CityHash128WithSeed(s, len, uint128(k0, k1)); - } -} - -#ifdef __SSE4_2__ - -// Requires len >= 240. -static void CityHashCrc256Long(const char *s, size_t len, - uint32 seed, uint64 *result) { - uint64 a = Fetch64(s + 56) + k0; - uint64 b = Fetch64(s + 96) + k0; - uint64 c = result[1] = HashLen16(b, len); - uint64 d = result[2] = Fetch64(s + 120) * k0 + len; - uint64 e = Fetch64(s + 184) + seed; - uint64 f = seed; - uint64 g = 0; - uint64 h = 0; - uint64 i = 0; - uint64 j = 0; - uint64 t = c + d; - - // 240 bytes of input per iter. - size_t iters = len / 240; - len -= iters * 240; - do { -#define CHUNK(multiplier, z) \ - { \ - uint64 old_a = a; \ - a = Rotate(b, 41 ^ z) * multiplier + Fetch64(s); \ - b = Rotate(c, 27 ^ z) * multiplier + Fetch64(s + 8); \ - c = Rotate(d, 41 ^ z) * multiplier + Fetch64(s + 16); \ - d = Rotate(e, 33 ^ z) * multiplier + Fetch64(s + 24); \ - e = Rotate(t, 25 ^ z) * multiplier + Fetch64(s + 32); \ - t = old_a; \ - } \ - f = _mm_crc32_u64(f, a); \ - g = _mm_crc32_u64(g, b); \ - h = _mm_crc32_u64(h, c); \ - i = _mm_crc32_u64(i, d); \ - j = _mm_crc32_u64(j, e); \ - s += 40 - - CHUNK(1, 1); CHUNK(k0, 0); - CHUNK(1, 1); CHUNK(k0, 0); - CHUNK(1, 1); CHUNK(k0, 0); - } while (--iters > 0); - j += i << 32; - a = HashLen16(a, j); - h += g << 32; - b = b * k0 + h; - c = HashLen16(c, f) + i; - d = HashLen16(d, e); - pair<uint64, uint64> v(j + e, HashLen16(h, t)); - h = v.second + f; - // If 0 < len < 240, hash chunks of 32 bytes each from the end of s. - for (size_t tail_done = 0; tail_done < len; ) { - tail_done += 32; - c = Rotate(c - a, 42) * k0 + v.second; - d += Fetch64(s + len - tail_done + 16); - a = Rotate(a, 49) * k0 + d; - d += v.first; - v = WeakHashLen32WithSeeds(s + len - tail_done, v.first, v.second); - } - - // Final mix. - e = HashLen16(a, d) + v.first; - f = HashLen16(b, c) + a; - g = HashLen16(v.first, v.second) + c; - result[0] = e + f + g + h; - a = ShiftMix((a + g) * k0) * k0 + b; - result[1] += a + result[0]; - a = ShiftMix(a * k0) * k0 + c; - result[2] += a + result[1]; - a = ShiftMix((a + e) * k0) * k0; - result[3] = a + result[2]; -} - -// Requires len < 240. -static void CityHashCrc256Short(const char *s, size_t len, uint64 *result) { - char buf[240]; - memcpy(buf, s, len); - memset(buf + len, 0, 240 - len); - CityHashCrc256Long(buf, 240, ~static_cast<uint32>(len), result); -} - -void CityHashCrc256(const char *s, size_t len, uint64 *result) { - if (LIKELY(len >= 240)) { - CityHashCrc256Long(s, len, 0, result); - } else { - CityHashCrc256Short(s, len, result); - } -} - -uint128 CityHashCrc128WithSeed(const char *s, size_t len, uint128 seed) { - if (len <= 900) { - return CityHash128WithSeed(s, len, seed); - } else { - uint64 result[4]; - CityHashCrc256(s, len, result); - uint64 u = Uint128High64(seed) + result[0]; - uint64 v = Uint128Low64(seed) + result[1]; - return uint128(HashLen16(u, v + result[2]), - HashLen16(Rotate(v, 32), u * k0 + result[3])); - } -} - -uint128 CityHashCrc128(const char *s, size_t len) { - if (len <= 900) { - return CityHash128(s, len); - } else { - uint64 result[4]; - CityHashCrc256(s, len, result); - return uint128(result[2], result[3]); - } -} - -#endif // __SSE4_2__ - -} // namespace CityHash_v1_0_2 +// Copyright (c) 2011 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. +// +// CityHash, by Geoff Pike and Jyrki Alakuijala +// +// This file provides CityHash64() and related functions. +// +// It's probably possible to create even faster hash functions by +// writing a program that systematically explores some of the space of +// possible hash functions, by using SIMD instructions, or by +// compromising on hash quality. + +#include "config.h" +#include <city.h> + +#include <algorithm> +#include <string.h> // for memcpy and memset + +#ifdef __SSE4_2__ +#include <citycrc.h> +#include <nmmintrin.h> +#endif + +using namespace std; + + +#if !defined(WORDS_BIGENDIAN) + +#define uint32_in_expected_order(x) (x) +#define uint64_in_expected_order(x) (x) + +#else + +#ifdef _MSC_VER +#include <stdlib.h> +#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> +#define bswap_32(x) OSSwapInt32(x) +#define bswap_64(x) OSSwapInt64(x) + +#else +#include <byteswap.h> +#endif + +#define uint32_in_expected_order(x) (bswap_32(x)) +#define uint64_in_expected_order(x) (bswap_64(x)) + +#endif // WORDS_BIGENDIAN + +#if !defined(LIKELY) +#if HAVE_BUILTIN_EXPECT +#define LIKELY(x) (__builtin_expect(!!(x), 1)) +#else +#define LIKELY(x) (x) +#endif +#endif + +namespace CityHash_v1_0_2 +{ + +static uint64 UNALIGNED_LOAD64(const char *p) { + uint64 result; + memcpy(&result, p, sizeof(result)); + return result; +} + +static uint32 UNALIGNED_LOAD32(const char *p) { + uint32 result; + memcpy(&result, p, sizeof(result)); + return result; +} + +static uint64 Fetch64(const char *p) { + return uint64_in_expected_order(UNALIGNED_LOAD64(p)); +} + +static uint32 Fetch32(const char *p) { + return uint32_in_expected_order(UNALIGNED_LOAD32(p)); +} + +// Some primes between 2^63 and 2^64 for various uses. +static const uint64 k0 = 0xc3a5c85c97cb3127ULL; +static const uint64 k1 = 0xb492b66fbe98f273ULL; +static const uint64 k2 = 0x9ae16a3b2f90404fULL; +static const uint64 k3 = 0xc949d7c7509e6557ULL; + +// Bitwise right rotate. Normally this will compile to a single +// instruction, especially if the shift is a manifest constant. +static uint64 Rotate(uint64 val, int shift) { + // Avoid shifting by 64: doing so yields an undefined result. + return shift == 0 ? val : ((val >> shift) | (val << (64 - shift))); +} + +// Equivalent to Rotate(), but requires the second arg to be non-zero. +// On x86-64, and probably others, it's possible for this to compile +// to a single instruction if both args are already in registers. +static uint64 RotateByAtLeast1(uint64 val, int shift) { + return (val >> shift) | (val << (64 - shift)); +} + +static uint64 ShiftMix(uint64 val) { + return val ^ (val >> 47); +} + +static uint64 HashLen16(uint64 u, uint64 v) { + return Hash128to64(uint128(u, v)); +} + +static uint64 HashLen0to16(const char *s, size_t len) { + if (len > 8) { + uint64 a = Fetch64(s); + uint64 b = Fetch64(s + len - 8); + return HashLen16(a, RotateByAtLeast1(b + len, len)) ^ b; + } + if (len >= 4) { + uint64 a = Fetch32(s); + return HashLen16(len + (a << 3), Fetch32(s + len - 4)); + } + if (len > 0) { + uint8 a = s[0]; + uint8 b = s[len >> 1]; + uint8 c = s[len - 1]; + uint32 y = static_cast<uint32>(a) + (static_cast<uint32>(b) << 8); + uint32 z = len + (static_cast<uint32>(c) << 2); + return ShiftMix(y * k2 ^ z * k3) * k2; + } + return k2; +} + +// This probably works well for 16-byte strings as well, but it may be overkill +// in that case. +static uint64 HashLen17to32(const char *s, size_t len) { + uint64 a = Fetch64(s) * k1; + uint64 b = Fetch64(s + 8); + uint64 c = Fetch64(s + len - 8) * k2; + uint64 d = Fetch64(s + len - 16) * k0; + return HashLen16(Rotate(a - b, 43) + Rotate(c, 30) + d, + a + Rotate(b ^ k3, 20) - c + len); +} + +// Return a 16-byte hash for 48 bytes. Quick and dirty. +// Callers do best to use "random-looking" values for a and b. +static pair<uint64, uint64> WeakHashLen32WithSeeds( + uint64 w, uint64 x, uint64 y, uint64 z, uint64 a, uint64 b) { + a += w; + b = Rotate(b + a + z, 21); + uint64 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 pair<uint64, uint64> WeakHashLen32WithSeeds( + const char* s, uint64 a, uint64 b) { + return WeakHashLen32WithSeeds(Fetch64(s), + Fetch64(s + 8), + Fetch64(s + 16), + Fetch64(s + 24), + a, + b); +} + +// Return an 8-byte hash for 33 to 64 bytes. +static uint64 HashLen33to64(const char *s, size_t len) { + uint64 z = Fetch64(s + 24); + uint64 a = Fetch64(s) + (len + Fetch64(s + len - 16)) * k0; + uint64 b = Rotate(a + z, 52); + uint64 c = Rotate(a, 37); + a += Fetch64(s + 8); + c += Rotate(a, 7); + a += Fetch64(s + 16); + uint64 vf = a + z; + uint64 vs = b + Rotate(a, 31) + c; + a = Fetch64(s + 16) + Fetch64(s + len - 32); + z = Fetch64(s + len - 8); + b = Rotate(a + z, 52); + c = Rotate(a, 37); + a += Fetch64(s + len - 24); + c += Rotate(a, 7); + a += Fetch64(s + len - 16); + uint64 wf = a + z; + uint64 ws = b + Rotate(a, 31) + c; + uint64 r = ShiftMix((vf + ws) * k2 + (wf + vs) * k0); + return ShiftMix(r * k0 + vs) * k2; +} + +uint64 CityHash64(const char *s, size_t len) { + 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 hash the end first, and then as we + // loop we keep 56 bytes of state: v, w, x, y, and z. + uint64 x = Fetch64(s); + uint64 y = Fetch64(s + len - 16) ^ k1; + uint64 z = Fetch64(s + len - 56) ^ k0; + pair<uint64, uint64> v = WeakHashLen32WithSeeds(s + len - 64, len, y); + pair<uint64, uint64> w = WeakHashLen32WithSeeds(s + len - 32, len * k1, k0); + z += ShiftMix(v.second) * k1; + x = Rotate(z + x, 39) * k1; + y = Rotate(y, 33) * k1; + + // Decrease len to the nearest multiple of 64, and operate on 64-byte chunks. + len = (len - 1) & ~static_cast<size_t>(63); + do { + x = Rotate(x + y + v.first + Fetch64(s + 16), 37) * k1; + y = Rotate(y + v.second + Fetch64(s + 48), 42) * k1; + x ^= w.second; + y ^= v.first; + z = Rotate(z ^ w.first, 33); + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y); + std::swap(z, x); + s += 64; + len -= 64; + } while (len != 0); + return HashLen16(HashLen16(v.first, w.first) + ShiftMix(y) * k1 + z, + HashLen16(v.second, w.second) + x); +} + +uint64 CityHash64WithSeed(const char *s, size_t len, uint64 seed) { + return CityHash64WithSeeds(s, len, k2, seed); +} + +uint64 CityHash64WithSeeds(const char *s, size_t len, + uint64 seed0, uint64 seed1) { + return HashLen16(CityHash64(s, len) - seed0, seed1); +} + +// A subroutine for CityHash128(). Returns a decent 128-bit hash for strings +// of any length representable in ssize_t. Based on City and Murmur. +static uint128 CityMurmur(const char *s, size_t len, uint128 seed) { + uint64 a = Uint128Low64(seed); + uint64 b = Uint128High64(seed); + uint64 c = 0; + uint64 d = 0; + ssize_t l = len - 16; + if (l <= 0) { // len <= 16 + a = ShiftMix(a * k1) * k1; + c = b * k1 + HashLen0to16(s, len); + d = ShiftMix(a + (len >= 8 ? Fetch64(s) : c)); + } else { // len > 16 + c = HashLen16(Fetch64(s + len - 8) + k1, a); + d = HashLen16(b + len, c + Fetch64(s + len - 16)); + a += d; + do { + a ^= ShiftMix(Fetch64(s) * k1) * k1; + a *= k1; + b ^= a; + c ^= ShiftMix(Fetch64(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 CityHash128WithSeed(const char *s, size_t len, uint128 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, uint64> v, w; + uint64 x = Uint128Low64(seed); + uint64 y = Uint128High64(seed); + uint64 z = len * k1; + v.first = Rotate(y ^ k1, 49) * k1 + Fetch64(s); + v.second = Rotate(v.first, 42) * k1 + Fetch64(s + 8); + w.first = Rotate(y + z, 35) * k1 + x; + w.second = Rotate(x + Fetch64(s + 88), 53) * k1; + + // This is the same inner loop as CityHash64(), manually unrolled. + do { + x = Rotate(x + y + v.first + Fetch64(s + 16), 37) * k1; + y = Rotate(y + v.second + Fetch64(s + 48), 42) * k1; + x ^= w.second; + y ^= v.first; + z = Rotate(z ^ w.first, 33); + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y); + std::swap(z, x); + s += 64; + x = Rotate(x + y + v.first + Fetch64(s + 16), 37) * k1; + y = Rotate(y + v.second + Fetch64(s + 48), 42) * k1; + x ^= w.second; + y ^= v.first; + z = Rotate(z ^ w.first, 33); + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y); + std::swap(z, x); + s += 64; + len -= 128; + } while (LIKELY(len >= 128)); + y += Rotate(w.first, 37) * k0 + z; + x += Rotate(v.first + z, 49) * 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(y - x, 42) * k0 + v.second; + w.first += Fetch64(s + len - tail_done + 16); + x = Rotate(x, 49) * k0 + w.first; + w.first += v.first; + v = WeakHashLen32WithSeeds(s + len - tail_done, v.first, v.second); + } + // At this point our 48 bytes of state should contain more than + // enough information for a strong 128-bit hash. We use two + // different 48-byte-to-8-byte hashes to get a 16-byte final result. + x = HashLen16(x, v.first); + y = HashLen16(y, w.first); + return uint128(HashLen16(x + v.second, w.second) + y, + HashLen16(x + w.second, y + v.second)); +} + +uint128 CityHash128(const char *s, size_t len) { + if (len >= 16) { + return CityHash128WithSeed(s + 16, + len - 16, + uint128(Fetch64(s) ^ k3, + Fetch64(s + 8))); + } else if (len >= 8) { + return CityHash128WithSeed(NULL, + 0, + uint128(Fetch64(s) ^ (len * k0), + Fetch64(s + len - 8) ^ k1)); + } else { + return CityHash128WithSeed(s, len, uint128(k0, k1)); + } +} + +#ifdef __SSE4_2__ + +// Requires len >= 240. +static void CityHashCrc256Long(const char *s, size_t len, + uint32 seed, uint64 *result) { + uint64 a = Fetch64(s + 56) + k0; + uint64 b = Fetch64(s + 96) + k0; + uint64 c = result[1] = HashLen16(b, len); + uint64 d = result[2] = Fetch64(s + 120) * k0 + len; + uint64 e = Fetch64(s + 184) + seed; + uint64 f = seed; + uint64 g = 0; + uint64 h = 0; + uint64 i = 0; + uint64 j = 0; + uint64 t = c + d; + + // 240 bytes of input per iter. + size_t iters = len / 240; + len -= iters * 240; + do { +#define CHUNK(multiplier, z) \ + { \ + uint64 old_a = a; \ + a = Rotate(b, 41 ^ z) * multiplier + Fetch64(s); \ + b = Rotate(c, 27 ^ z) * multiplier + Fetch64(s + 8); \ + c = Rotate(d, 41 ^ z) * multiplier + Fetch64(s + 16); \ + d = Rotate(e, 33 ^ z) * multiplier + Fetch64(s + 24); \ + e = Rotate(t, 25 ^ z) * multiplier + Fetch64(s + 32); \ + t = old_a; \ + } \ + f = _mm_crc32_u64(f, a); \ + g = _mm_crc32_u64(g, b); \ + h = _mm_crc32_u64(h, c); \ + i = _mm_crc32_u64(i, d); \ + j = _mm_crc32_u64(j, e); \ + s += 40 + + CHUNK(1, 1); CHUNK(k0, 0); + CHUNK(1, 1); CHUNK(k0, 0); + CHUNK(1, 1); CHUNK(k0, 0); + } while (--iters > 0); + j += i << 32; + a = HashLen16(a, j); + h += g << 32; + b = b * k0 + h; + c = HashLen16(c, f) + i; + d = HashLen16(d, e); + pair<uint64, uint64> v(j + e, HashLen16(h, t)); + h = v.second + f; + // If 0 < len < 240, hash chunks of 32 bytes each from the end of s. + for (size_t tail_done = 0; tail_done < len; ) { + tail_done += 32; + c = Rotate(c - a, 42) * k0 + v.second; + d += Fetch64(s + len - tail_done + 16); + a = Rotate(a, 49) * k0 + d; + d += v.first; + v = WeakHashLen32WithSeeds(s + len - tail_done, v.first, v.second); + } + + // Final mix. + e = HashLen16(a, d) + v.first; + f = HashLen16(b, c) + a; + g = HashLen16(v.first, v.second) + c; + result[0] = e + f + g + h; + a = ShiftMix((a + g) * k0) * k0 + b; + result[1] += a + result[0]; + a = ShiftMix(a * k0) * k0 + c; + result[2] += a + result[1]; + a = ShiftMix((a + e) * k0) * k0; + result[3] = a + result[2]; +} + +// Requires len < 240. +static void CityHashCrc256Short(const char *s, size_t len, uint64 *result) { + char buf[240]; + memcpy(buf, s, len); + memset(buf + len, 0, 240 - len); + CityHashCrc256Long(buf, 240, ~static_cast<uint32>(len), result); +} + +void CityHashCrc256(const char *s, size_t len, uint64 *result) { + if (LIKELY(len >= 240)) { + CityHashCrc256Long(s, len, 0, result); + } else { + CityHashCrc256Short(s, len, result); + } +} + +uint128 CityHashCrc128WithSeed(const char *s, size_t len, uint128 seed) { + if (len <= 900) { + return CityHash128WithSeed(s, len, seed); + } else { + uint64 result[4]; + CityHashCrc256(s, len, result); + uint64 u = Uint128High64(seed) + result[0]; + uint64 v = Uint128Low64(seed) + result[1]; + return uint128(HashLen16(u, v + result[2]), + HashLen16(Rotate(v, 32), u * k0 + result[3])); + } +} + +uint128 CityHashCrc128(const char *s, size_t len) { + if (len <= 900) { + return CityHash128(s, len); + } else { + uint64 result[4]; + CityHashCrc256(s, len, result); + return uint128(result[2], result[3]); + } +} + +#endif // __SSE4_2__ + +} // namespace CityHash_v1_0_2 diff --git a/contrib/restricted/cityhash-1.0.2/city.h b/contrib/restricted/cityhash-1.0.2/city.h index 268827427d..76a51b05c4 100644 --- a/contrib/restricted/cityhash-1.0.2/city.h +++ b/contrib/restricted/cityhash-1.0.2/city.h @@ -1,104 +1,104 @@ -// Copyright (c) 2011 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. -// -// CityHash, by Geoff Pike and Jyrki Alakuijala -// -// This file provides a few functions for hashing strings. On x86-64 -// hardware in 2011, CityHash64() is faster than other high-quality -// hash functions, such as Murmur. This is largely due to higher -// instruction-level parallelism. CityHash64() and CityHash128() also perform -// well on hash-quality tests. -// -// CityHash128() is optimized for relatively long strings and returns -// a 128-bit hash. For strings more than about 2000 bytes it can be -// faster than CityHash64(). -// -// Functions in the CityHash family are not suitable for cryptography. -// -// WARNING: This code has not been 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. -// -// 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 CITY_HASH_H_ -#define CITY_HASH_H_ - -#include <stdlib.h> // for size_t. -#include <stdint.h> -#include <utility> - -/** This is a version of CityHash that predates v1.0.3 algorithm change. - * Why we need exactly this version? - * Although hash values of CityHash are not recommended for storing persistently anywhere, - * it has already been used this way in ClickHouse: - * - for calculation of checksums of compressed chunks and for data parts; - * - this version of CityHash is exposed in cityHash64 function in ClickHouse SQL language; - * - and already used by many users for data ordering, sampling and sharding. - */ -namespace CityHash_v1_0_2 -{ - -typedef uint8_t uint8; -typedef uint32_t uint32; -typedef uint64_t uint64; -typedef std::pair<uint64, uint64> uint128; - - -inline uint64 Uint128Low64(const uint128& x) { return x.first; } -inline uint64 Uint128High64(const uint128& x) { return x.second; } - -// Hash function for a byte array. -uint64 CityHash64(const char *buf, size_t len); - -// Hash function for a byte array. For convenience, a 64-bit seed is also -// hashed into the result. -uint64 CityHash64WithSeed(const char *buf, size_t len, uint64 seed); - -// Hash function for a byte array. For convenience, two seeds are also -// hashed into the result. -uint64 CityHash64WithSeeds(const char *buf, size_t len, - uint64 seed0, uint64 seed1); - -// Hash function for a byte array. -uint128 CityHash128(const char *s, size_t len); - -// Hash function for a byte array. For convenience, a 128-bit seed is also -// hashed into the result. -uint128 CityHash128WithSeed(const char *s, size_t len, uint128 seed); - -// Hash 128 input bits down to 64 bits of output. -// This is intended to be a reasonably good hash function. -inline uint64 Hash128to64(const uint128& x) { - // Murmur-inspired hashing. - const uint64 kMul = 0x9ddfea08eb382d69ULL; - uint64 a = (Uint128Low64(x) ^ Uint128High64(x)) * kMul; - a ^= (a >> 47); - uint64 b = (Uint128High64(x) ^ a) * kMul; - b ^= (b >> 47); - b *= kMul; - return b; -} - -} // namespace CityHash_v1_0_2 - -#endif // CITY_HASH_H_ +// Copyright (c) 2011 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. +// +// CityHash, by Geoff Pike and Jyrki Alakuijala +// +// This file provides a few functions for hashing strings. On x86-64 +// hardware in 2011, CityHash64() is faster than other high-quality +// hash functions, such as Murmur. This is largely due to higher +// instruction-level parallelism. CityHash64() and CityHash128() also perform +// well on hash-quality tests. +// +// CityHash128() is optimized for relatively long strings and returns +// a 128-bit hash. For strings more than about 2000 bytes it can be +// faster than CityHash64(). +// +// Functions in the CityHash family are not suitable for cryptography. +// +// WARNING: This code has not been 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. +// +// 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 CITY_HASH_H_ +#define CITY_HASH_H_ + +#include <stdlib.h> // for size_t. +#include <stdint.h> +#include <utility> + +/** This is a version of CityHash that predates v1.0.3 algorithm change. + * Why we need exactly this version? + * Although hash values of CityHash are not recommended for storing persistently anywhere, + * it has already been used this way in ClickHouse: + * - for calculation of checksums of compressed chunks and for data parts; + * - this version of CityHash is exposed in cityHash64 function in ClickHouse SQL language; + * - and already used by many users for data ordering, sampling and sharding. + */ +namespace CityHash_v1_0_2 +{ + +typedef uint8_t uint8; +typedef uint32_t uint32; +typedef uint64_t uint64; +typedef std::pair<uint64, uint64> uint128; + + +inline uint64 Uint128Low64(const uint128& x) { return x.first; } +inline uint64 Uint128High64(const uint128& x) { return x.second; } + +// Hash function for a byte array. +uint64 CityHash64(const char *buf, size_t len); + +// Hash function for a byte array. For convenience, a 64-bit seed is also +// hashed into the result. +uint64 CityHash64WithSeed(const char *buf, size_t len, uint64 seed); + +// Hash function for a byte array. For convenience, two seeds are also +// hashed into the result. +uint64 CityHash64WithSeeds(const char *buf, size_t len, + uint64 seed0, uint64 seed1); + +// Hash function for a byte array. +uint128 CityHash128(const char *s, size_t len); + +// Hash function for a byte array. For convenience, a 128-bit seed is also +// hashed into the result. +uint128 CityHash128WithSeed(const char *s, size_t len, uint128 seed); + +// Hash 128 input bits down to 64 bits of output. +// This is intended to be a reasonably good hash function. +inline uint64 Hash128to64(const uint128& x) { + // Murmur-inspired hashing. + const uint64 kMul = 0x9ddfea08eb382d69ULL; + uint64 a = (Uint128Low64(x) ^ Uint128High64(x)) * kMul; + a ^= (a >> 47); + uint64 b = (Uint128High64(x) ^ a) * kMul; + b ^= (b >> 47); + b *= kMul; + return b; +} + +} // namespace CityHash_v1_0_2 + +#endif // CITY_HASH_H_ diff --git a/contrib/restricted/cityhash-1.0.2/citycrc.h b/contrib/restricted/cityhash-1.0.2/citycrc.h index f2d291e36d..1c50914229 100644 --- a/contrib/restricted/cityhash-1.0.2/citycrc.h +++ b/contrib/restricted/cityhash-1.0.2/citycrc.h @@ -1,51 +1,51 @@ -// Copyright (c) 2011 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. -// -// CityHash, by Geoff Pike and Jyrki Alakuijala -// -// This file declares the subset of the CityHash functions that require -// _mm_crc32_u64(). See the CityHash README for details. -// -// Functions in the CityHash family are not suitable for cryptography. - -#ifndef CITY_HASH_CRC_H_ -#define CITY_HASH_CRC_H_ - -#include <city.h> - -#ifdef __SSE4_2__ - -namespace CityHash_v1_0_2 -{ - -// Hash function for a byte array. -uint128 CityHashCrc128(const char *s, size_t len); - -// Hash function for a byte array. For convenience, a 128-bit seed is also -// hashed into the result. -uint128 CityHashCrc128WithSeed(const char *s, size_t len, uint128 seed); - -// Hash function for a byte array. Sets result[0] ... result[3]. -void CityHashCrc256(const char *s, size_t len, uint64 *result); - -} - -#endif // __SSE4_2__ -#endif // CITY_HASH_CRC_H_ +// Copyright (c) 2011 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. +// +// CityHash, by Geoff Pike and Jyrki Alakuijala +// +// This file declares the subset of the CityHash functions that require +// _mm_crc32_u64(). See the CityHash README for details. +// +// Functions in the CityHash family are not suitable for cryptography. + +#ifndef CITY_HASH_CRC_H_ +#define CITY_HASH_CRC_H_ + +#include <city.h> + +#ifdef __SSE4_2__ + +namespace CityHash_v1_0_2 +{ + +// Hash function for a byte array. +uint128 CityHashCrc128(const char *s, size_t len); + +// Hash function for a byte array. For convenience, a 128-bit seed is also +// hashed into the result. +uint128 CityHashCrc128WithSeed(const char *s, size_t len, uint128 seed); + +// Hash function for a byte array. Sets result[0] ... result[3]. +void CityHashCrc256(const char *s, size_t len, uint64 *result); + +} + +#endif // __SSE4_2__ +#endif // CITY_HASH_CRC_H_ diff --git a/contrib/restricted/cityhash-1.0.2/config.h b/contrib/restricted/cityhash-1.0.2/config.h index cca744a35c..d5ceb103f2 100644 --- a/contrib/restricted/cityhash-1.0.2/config.h +++ b/contrib/restricted/cityhash-1.0.2/config.h @@ -1,125 +1,125 @@ -/* config.h. Generated from config.h.in by configure. */ -/* config.h.in. Generated from configure.ac by autoheader. */ - -/* Define if building universal (internal helper macro) */ -/* #undef AC_APPLE_UNIVERSAL_BUILD */ - -/* Define to 1 if the compiler supports __builtin_expect. */ -#if _MSC_VER -#define HAVE_BUILTIN_EXPECT 0 -#else -#define HAVE_BUILTIN_EXPECT 1 -#endif - -/* Define to 1 if you have the <dlfcn.h> header file. */ -#define HAVE_DLFCN_H 1 - -/* Define to 1 if you have the <inttypes.h> header file. */ -#define HAVE_INTTYPES_H 1 - -/* Define to 1 if you have the <memory.h> header file. */ -#define HAVE_MEMORY_H 1 - -/* Define to 1 if you have the <stdint.h> header file. */ -#define HAVE_STDINT_H 1 - -/* Define to 1 if you have the <stdlib.h> header file. */ -#define HAVE_STDLIB_H 1 - -/* Define to 1 if you have the <strings.h> header file. */ -#define HAVE_STRINGS_H 1 - -/* Define to 1 if you have the <string.h> header file. */ -#define HAVE_STRING_H 1 - -/* Define to 1 if you have the <sys/stat.h> header file. */ -#define HAVE_SYS_STAT_H 1 - -/* Define to 1 if you have the <sys/types.h> header file. */ -#define HAVE_SYS_TYPES_H 1 - -/* Define to 1 if you have the <unistd.h> header file. */ -#define HAVE_UNISTD_H 1 - -/* Define to the sub-directory in which libtool stores uninstalled libraries. - */ -#define LT_OBJDIR ".libs/" - -/* Define to the address where bug reports for this package should be sent. */ -#define PACKAGE_BUGREPORT "cityhash-discuss@googlegroups.com" - -/* Define to the full name of this package. */ -#define PACKAGE_NAME "CityHash" - -/* Define to the full name and version of this package. */ -#define PACKAGE_STRING "CityHash 1.0.2" - -/* Define to the one symbol short name of this package. */ -#define PACKAGE_TARNAME "cityhash" - -/* Define to the home page for this package. */ -#define PACKAGE_URL "" - -/* Define to the version of this package. */ -#define PACKAGE_VERSION "1.0.2" - -/* Define to 1 if you have the ANSI C header files. */ -#define STDC_HEADERS 1 - -/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most - significant byte first (like Motorola and SPARC, unlike Intel). */ -#if defined AC_APPLE_UNIVERSAL_BUILD -# if defined __BIG_ENDIAN__ -# define WORDS_BIGENDIAN 1 -# endif -#else -# ifndef WORDS_BIGENDIAN -/* # undef WORDS_BIGENDIAN */ -# endif -#endif - -/* Define for Solaris 2.5.1 so the uint32_t typedef from <sys/synch.h>, - <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the - #define below would cause a syntax error. */ -/* #undef _UINT32_T */ - -/* Define for Solaris 2.5.1 so the uint64_t typedef from <sys/synch.h>, - <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the - #define below would cause a syntax error. */ -/* #undef _UINT64_T */ - -/* Define for Solaris 2.5.1 so the uint8_t typedef from <sys/synch.h>, - <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the - #define below would cause a syntax error. */ -/* #undef _UINT8_T */ - -/* Define to `__inline__' or `__inline' if that's what the C compiler - calls it, or to nothing if 'inline' is not supported under any name. */ -#ifndef __cplusplus -/* #undef inline */ -#endif - -/* Define to `unsigned int' if <sys/types.h> does not define. */ -/* #undef size_t */ - -/* Define to `int' if <sys/types.h> does not define. */ -/* #undef ssize_t */ - -/* Define to the type of an unsigned integer type of width exactly 32 bits if - such a type exists and the standard includes do not define it. */ -/* #undef uint32_t */ - -/* Define to the type of an unsigned integer type of width exactly 64 bits if - such a type exists and the standard includes do not define it. */ -/* #undef uint64_t */ - -/* Define to the type of an unsigned integer type of width exactly 8 bits if - such a type exists and the standard includes do not define it. */ -/* #undef uint8_t */ - -#ifdef _MSC_VER - #include <basetsd.h> - typedef SSIZE_T ssize_t; -#else - #include <sys/types.h> -#endif +/* config.h. Generated from config.h.in by configure. */ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define if building universal (internal helper macro) */ +/* #undef AC_APPLE_UNIVERSAL_BUILD */ + +/* Define to 1 if the compiler supports __builtin_expect. */ +#if _MSC_VER +#define HAVE_BUILTIN_EXPECT 0 +#else +#define HAVE_BUILTIN_EXPECT 1 +#endif + +/* Define to 1 if you have the <dlfcn.h> header file. */ +#define HAVE_DLFCN_H 1 + +/* Define to 1 if you have the <inttypes.h> header file. */ +#define HAVE_INTTYPES_H 1 + +/* Define to 1 if you have the <memory.h> header file. */ +#define HAVE_MEMORY_H 1 + +/* Define to 1 if you have the <stdint.h> header file. */ +#define HAVE_STDINT_H 1 + +/* Define to 1 if you have the <stdlib.h> header file. */ +#define HAVE_STDLIB_H 1 + +/* Define to 1 if you have the <strings.h> header file. */ +#define HAVE_STRINGS_H 1 + +/* Define to 1 if you have the <string.h> header file. */ +#define HAVE_STRING_H 1 + +/* Define to 1 if you have the <sys/stat.h> header file. */ +#define HAVE_SYS_STAT_H 1 + +/* Define to 1 if you have the <sys/types.h> header file. */ +#define HAVE_SYS_TYPES_H 1 + +/* Define to 1 if you have the <unistd.h> header file. */ +#define HAVE_UNISTD_H 1 + +/* Define to the sub-directory in which libtool stores uninstalled libraries. + */ +#define LT_OBJDIR ".libs/" + +/* Define to the address where bug reports for this package should be sent. */ +#define PACKAGE_BUGREPORT "cityhash-discuss@googlegroups.com" + +/* Define to the full name of this package. */ +#define PACKAGE_NAME "CityHash" + +/* Define to the full name and version of this package. */ +#define PACKAGE_STRING "CityHash 1.0.2" + +/* Define to the one symbol short name of this package. */ +#define PACKAGE_TARNAME "cityhash" + +/* Define to the home page for this package. */ +#define PACKAGE_URL "" + +/* Define to the version of this package. */ +#define PACKAGE_VERSION "1.0.2" + +/* Define to 1 if you have the ANSI C header files. */ +#define STDC_HEADERS 1 + +/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most + significant byte first (like Motorola and SPARC, unlike Intel). */ +#if defined AC_APPLE_UNIVERSAL_BUILD +# if defined __BIG_ENDIAN__ +# define WORDS_BIGENDIAN 1 +# endif +#else +# ifndef WORDS_BIGENDIAN +/* # undef WORDS_BIGENDIAN */ +# endif +#endif + +/* Define for Solaris 2.5.1 so the uint32_t typedef from <sys/synch.h>, + <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the + #define below would cause a syntax error. */ +/* #undef _UINT32_T */ + +/* Define for Solaris 2.5.1 so the uint64_t typedef from <sys/synch.h>, + <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the + #define below would cause a syntax error. */ +/* #undef _UINT64_T */ + +/* Define for Solaris 2.5.1 so the uint8_t typedef from <sys/synch.h>, + <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the + #define below would cause a syntax error. */ +/* #undef _UINT8_T */ + +/* Define to `__inline__' or `__inline' if that's what the C compiler + calls it, or to nothing if 'inline' is not supported under any name. */ +#ifndef __cplusplus +/* #undef inline */ +#endif + +/* Define to `unsigned int' if <sys/types.h> does not define. */ +/* #undef size_t */ + +/* Define to `int' if <sys/types.h> does not define. */ +/* #undef ssize_t */ + +/* Define to the type of an unsigned integer type of width exactly 32 bits if + such a type exists and the standard includes do not define it. */ +/* #undef uint32_t */ + +/* Define to the type of an unsigned integer type of width exactly 64 bits if + such a type exists and the standard includes do not define it. */ +/* #undef uint64_t */ + +/* Define to the type of an unsigned integer type of width exactly 8 bits if + such a type exists and the standard includes do not define it. */ +/* #undef uint8_t */ + +#ifdef _MSC_VER + #include <basetsd.h> + typedef SSIZE_T ssize_t; +#else + #include <sys/types.h> +#endif diff --git a/contrib/restricted/cityhash-1.0.2/ya.make b/contrib/restricted/cityhash-1.0.2/ya.make index db6cfb6311..19115879e0 100644 --- a/contrib/restricted/cityhash-1.0.2/ya.make +++ b/contrib/restricted/cityhash-1.0.2/ya.make @@ -2,27 +2,27 @@ OWNER( g:clickhouse g:cpp-contrib ) - -# Origin: https://github.com/google/cityhash.git - -LIBRARY() - -VERSION(bc38ef45ddbbe640e48db7b8ef65e80ea7f71298) - -PROVIDES(cityhash) - + +# Origin: https://github.com/google/cityhash.git + +LIBRARY() + +VERSION(bc38ef45ddbbe640e48db7b8ef65e80ea7f71298) + +PROVIDES(cityhash) + LICENSE(MIT) LICENSE_TEXTS(.yandex_meta/licenses.list.txt) -NO_UTIL() - +NO_UTIL() + ADDINCL( GLOBAL contrib/restricted/cityhash-1.0.2 ) - -SRCS( + +SRCS( city.cc -) - -END() +) + +END() |