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#include <util/stream/output.h>
#include <util/datetime/cputimer.h>
#include <util/system/type_name.h>
#include <library/cpp/pop_count/popcount.h>
#include <library/cpp/testing/benchmark/bench.h>
#include <bit>
template <class F, class I>
inline void DoRun(F&& f, I&& i) {
const ui64 n = i.Iterations();
for (ui64 j = 0; j < n; ++j) {
Y_DO_NOT_OPTIMIZE_AWAY(f(j * (ui64)123456 + (ui64)1));
}
}
Y_CPU_BENCHMARK(PopCount_8, iface) {
DoRun([](ui8 x) {
return PopCount<ui8>(x);
},
iface);
}
Y_CPU_BENCHMARK(std_popcount_8, iface) {
DoRun([](ui8 x) {
return std::popcount<ui8>(x);
},
iface);
}
Y_CPU_BENCHMARK(PopCount_16, iface) {
DoRun([](ui16 x) {
return PopCount<ui16>(x);
},
iface);
}
Y_CPU_BENCHMARK(std_popcount_16, iface) {
DoRun([](ui16 x) {
return std::popcount<ui16>(x);
},
iface);
}
Y_CPU_BENCHMARK(PopCount_32, iface) {
DoRun([](ui32 x) {
return PopCount<ui32>(x);
},
iface);
}
Y_CPU_BENCHMARK(std_popcount_32, iface) {
DoRun([](ui32 x) {
return std::popcount<ui32>(x);
},
iface);
}
Y_CPU_BENCHMARK(PopCount_64, iface) {
DoRun([](ui64 x) {
return PopCount<ui64>(x);
},
iface);
}
Y_CPU_BENCHMARK(std_popcount_64, iface) {
DoRun([](ui64 x) {
return std::popcount<ui64>(x);
},
iface);
}
#if !defined(_MSC_VER)
Y_CPU_BENCHMARK(BUILTIN_64, iface) {
DoRun([](ui64 x) {
return __builtin_popcountll(x);
},
iface);
}
#endif
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