66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
#include <benchmark/benchmark.h>
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#include <cstring>
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#include <Hash/Md5.hpp>
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using namespace Chaos::Hash::Md5;
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static const char * DATA_BEGIN
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= "All states, all powers, that have held and hold rule over men have been and are either republics or principalities.\n"
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"Principalities are either hereditary, in which the family has been long established; or they are new.\n"
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"The new are either entirely new, as was Milan to Francesco Sforza, or they are, as it were, members annexed to the hereditary state of the "
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"prince who has acquired them, as was the kingdom of Naples to that of the King of Spain.\n"
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"Such dominions thus acquired are either accustomed to live under a prince, or to live in freedom; and are acquired either by the arms of the "
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"prince himself, or of others, or else by fortune or by ability.";
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static const size_t DATA_LEN = strlen(DATA_BEGIN);
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static const char * DATA_END = DATA_BEGIN + DATA_LEN;
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static void Md5Hasher_CreateComputeDeleteBench(benchmark::State & state)
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{
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for (auto _ : state)
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{
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Md5Hasher hasher;
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hasher.Update(DATA_BEGIN, DATA_END);
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Md5Hash result = hasher.Finish();
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benchmark::DoNotOptimize(result);
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}
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}
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BENCHMARK(Md5Hasher_CreateComputeDeleteBench);
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static void Md5Hasher_ReuseBench(benchmark::State & state)
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{
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Md5Hasher hasher;
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for (auto _ : state)
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{
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hasher.Reset();
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hasher.Update(DATA_BEGIN, DATA_END);
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Md5Hash result = hasher.Finish();
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benchmark::DoNotOptimize(result);
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}
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}
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BENCHMARK(Md5Hasher_ReuseBench);
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static void Md5Hasher_PartialUpdate100Bench(benchmark::State & state)
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{
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for (auto _ : state)
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{
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Md5Hasher hasher;
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for (int i = 0; i < 100; ++i)
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{
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hasher.Update(DATA_BEGIN, DATA_END);
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}
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Md5Hash result = hasher.Finish();
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benchmark::DoNotOptimize(result);
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}
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}
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BENCHMARK(Md5Hasher_PartialUpdate100Bench);
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