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55 řádky
1.3 KiB
55 řádky
1.3 KiB
#include <iostream>
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#include "ChaPRNG.h"
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#include <benchmark/benchmark.h>
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#include <chrono>
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#include <random>
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using namespace std::chrono_literals;
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template<int T, bool u, bool v>
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static void PRNGBuild(benchmark::State& state) {
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std::random_device dev;
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std::array<uint32_t,12> seed{
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dev(),dev(),dev(),dev(),
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dev(),dev(),dev(),dev(),
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dev(),dev(),dev(),dev()
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};
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ChaPRNG<T,u,v> prng(seed);
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for(auto _ : state)
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prng();
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}
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BENCHMARK(PRNGBuild<8, false, false>);
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BENCHMARK(PRNGBuild<12, false, false>);
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BENCHMARK(PRNGBuild<16, false, false>);
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BENCHMARK(PRNGBuild<20, false, false>);
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BENCHMARK(PRNGBuild<8, true, false>);
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BENCHMARK(PRNGBuild<12, true, false>);
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BENCHMARK(PRNGBuild<16, true, false>);
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BENCHMARK(PRNGBuild<20, true, false>);
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BENCHMARK(PRNGBuild<8, false, true>);
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BENCHMARK(PRNGBuild<12, false, true>);
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BENCHMARK(PRNGBuild<16, false, true>);
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BENCHMARK(PRNGBuild<20, false, true>);
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BENCHMARK(PRNGBuild<4, true, true>);
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BENCHMARK(PRNGBuild<6, true, true>);
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BENCHMARK(PRNGBuild<8, true, true>);
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BENCHMARK(PRNGBuild<12, true, true>);
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BENCHMARK(PRNGBuild<16, true, true>);
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BENCHMARK(PRNGBuild<20, true, true>);
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static void std_mtPRNGBuild(benchmark::State& state) {
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std::random_device dev;
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std::mt19937 prng(dev());
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for(auto _ : state)
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prng();
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}
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BENCHMARK(std_mtPRNGBuild);
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BENCHMARK_MAIN();
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