76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
// SPDX-License-Identifier: BSD-2-Clause
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// This code is part of the sfizz library and is licensed under a BSD 2-clause
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// license. You should have receive a LICENSE.md file along with the code.
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// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
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#include "SIMDHelpers.h"
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#include <benchmark/benchmark.h>
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#include <vector>
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#include <random>
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#include <numeric>
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#include <absl/algorithm/container.h>
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// In this one we have an array of jumps
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constexpr float maxJump { 4 };
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class InterpolationCast : public benchmark::Fixture {
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public:
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void SetUp(const ::benchmark::State& state) {
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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 { 0, maxJump };
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jumps = std::vector<int>(state.range(0));
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leftCoeffs = std::vector<float>(state.range(0));
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rightCoeffs = std::vector<float>(state.range(0));
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floatJumps = std::vector<float>(state.range(0));
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absl::c_generate(floatJumps, [&]() { return dist(gen); });
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}
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void TearDown(const ::benchmark::State& state [[maybe_unused]]) {
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}
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std::vector<int> jumps;
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std::vector<float> leftCoeffs;
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std::vector<float> rightCoeffs;
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std::vector<float> floatJumps;
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};
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BENCHMARK_DEFINE_F(InterpolationCast, Scalar)(benchmark::State& state) {
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for (auto _ : state)
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{
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sfz::sfzInterpolationCast<float, false>(floatJumps, absl::MakeSpan(jumps), absl::MakeSpan(leftCoeffs), absl::MakeSpan(rightCoeffs));
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}
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}
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BENCHMARK_DEFINE_F(InterpolationCast, SIMD)(benchmark::State& state) {
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for (auto _ : state)
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{
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sfz::sfzInterpolationCast<float, true>(floatJumps, absl::MakeSpan(jumps), absl::MakeSpan(leftCoeffs), absl::MakeSpan(rightCoeffs));
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}
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}
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BENCHMARK_DEFINE_F(InterpolationCast, Scalar_Unaligned)(benchmark::State& state) {
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for (auto _ : state)
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{
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sfz::sfzInterpolationCast<float, false>(absl::MakeSpan(floatJumps).subspan(1), absl::MakeSpan(jumps).subspan(3), absl::MakeSpan(leftCoeffs).subspan(2), absl::MakeSpan(rightCoeffs).subspan(1));
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}
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}
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BENCHMARK_DEFINE_F(InterpolationCast, SIMD_Unaligned)(benchmark::State& state) {
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for (auto _ : state)
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{
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sfz::sfzInterpolationCast<float, true>(absl::MakeSpan(floatJumps).subspan(1), absl::MakeSpan(jumps).subspan(3), absl::MakeSpan(leftCoeffs).subspan(2), absl::MakeSpan(rightCoeffs).subspan(1));
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}
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}
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// Register the function as a benchmark
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BENCHMARK_REGISTER_F(InterpolationCast, Scalar)->RangeMultiplier(2)->Range((2<<6), (2<<12));
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BENCHMARK_REGISTER_F(InterpolationCast, SIMD)->RangeMultiplier(2)->Range((2<<6), (2<<12));
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BENCHMARK_REGISTER_F(InterpolationCast, Scalar_Unaligned)->RangeMultiplier(2)->Range((2<<6), (2<<12));
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BENCHMARK_REGISTER_F(InterpolationCast, SIMD_Unaligned)->RangeMultiplier(2)->Range((2<<6), (2<<12));
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BENCHMARK_MAIN();
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