64 lines
No EOL
1.9 KiB
C++
64 lines
No EOL
1.9 KiB
C++
#include <benchmark/benchmark.h>
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#include "../sources/SIMDHelpers.h"
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#include "../sources/Buffer.h"
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#include <algorithm>
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#include <random>
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#include <numeric>
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static void Dummy(benchmark::State& state) {
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Buffer<float> buffer (state.range(0));
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std::random_device rd { };
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std::mt19937 gen { rd() };
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std::uniform_real_distribution<float> dist { 1, 2 };
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for (auto _ : state) {
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auto fillValue = dist(gen);
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benchmark::DoNotOptimize(fillValue);
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}
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}
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static void FillScalar(benchmark::State& state) {
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Buffer<float> buffer (state.range(0));
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std::random_device rd { };
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std::mt19937 gen { rd() };
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std::uniform_real_distribution<float> dist { 1, 2 };
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for (auto _ : state) {
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fill<float, false>(absl::MakeSpan(buffer), dist(gen));
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}
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}
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static void FillScalar_unaligned(benchmark::State& state) {
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Buffer<float> buffer (state.range(0));
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std::random_device rd { };
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std::mt19937 gen { rd() };
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std::uniform_real_distribution<float> dist { 1, 2 };
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for (auto _ : state) {
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fill<float, false>(absl::MakeSpan(buffer).subspan(1), dist(gen));
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}
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}
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static void FillSIMD(benchmark::State& state) {
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Buffer<float> buffer (state.range(0));
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std::random_device rd { };
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std::mt19937 gen { rd() };
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std::uniform_real_distribution<float> dist { 1, 2 };
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for (auto _ : state) {
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fill<float, true>(absl::MakeSpan(buffer), dist(gen));
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}
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}
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static void FillSIMD_unaligned(benchmark::State& state) {
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Buffer<float> buffer (state.range(0));
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std::random_device rd { };
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std::mt19937 gen { rd() };
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std::uniform_real_distribution<float> dist { 1, 2 };
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for (auto _ : state) {
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fill<float, true>(absl::MakeSpan(buffer).subspan(1), dist(gen));
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}
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}
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BENCHMARK(Dummy)->Range((2<<6), (2<<16));
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BENCHMARK(FillScalar)->Range((2<<6), (2<<16));
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BENCHMARK(FillSIMD)->Range((2<<6), (2<<16));
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BENCHMARK(FillScalar_unaligned)->Range((2<<6), (2<<16));
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BENCHMARK(FillSIMD_unaligned)->Range((2<<6), (2<<16));
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BENCHMARK_MAIN(); |