46e72cbc64
Output on my laptop: $ build/release/tests/perf/perf_hash Timing fixed hash... 28671657.15 tps 28720930.45 tps 28622017.20 tps 28677088.01 tps 29223543.70 tps Timing iterator hash... 22023042.57 tps 21953352.04 tps 21393787.05 tps 21613837.10 tps 21563284.57 tps
36 lines
765 B
C++
36 lines
765 B
C++
/*
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* Copyright 2015 Cloudius Systems
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*/
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#include "utils/murmur_hash.hh"
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#include "tests/perf/perf.hh"
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volatile uint64_t black_hole;
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int main(int argc, char* argv[]) {
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const uint64_t seed = 0;
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auto src = bytes("0123412308129301923019283056789012345");
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uint64_t sink = 0;
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std::cout << "Timing fixed hash...\n";
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time_it([&] {
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std::array<uint64_t,2> dst;
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utils::murmur_hash::hash3_x64_128(src, seed, dst);
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sink += dst[0];
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sink += dst[1];
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});
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std::cout << "Timing iterator hash...\n";
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time_it([&] {
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std::array<uint64_t,2> dst;
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utils::murmur_hash::hash3_x64_128(src.begin(), src.size(), seed, dst);
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sink += dst[0];
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sink += dst[1];
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});
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black_hole = sink;
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}
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