80 lines
2.7 KiB
C++
80 lines
2.7 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 <random>
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#include <numeric>
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#include <vector>
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#include <cmath>
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#include <iostream>
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#include "Config.h"
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#include "ScopedFTZ.h"
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#include "absl/types/span.h"
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class WidthPosArray : 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 { 0.001f, 1.0f };
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width = std::vector<float>(state.range(0));
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position = std::vector<float>(state.range(0));
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left = std::vector<float>(state.range(0));
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right = std::vector<float>(state.range(0));
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std::generate(width.begin(), width.end(), [&]() { return dist(gen); });
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std::generate(position.begin(), position.end(), [&]() { return dist(gen); });
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std::generate(right.begin(), right.end(), [&]() { return dist(gen); });
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std::generate(left.begin(), left.end(), [&]() { return dist(gen); });
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temp1 = std::vector<float>(state.range(0));
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temp2 = std::vector<float>(state.range(0));
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temp3 = std::vector<float>(state.range(0));
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span1 = absl::MakeSpan(temp1);
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span2 = absl::MakeSpan(temp2);
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span3 = absl::MakeSpan(temp3);
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}
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void TearDown(const ::benchmark::State& /* state */) {
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}
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std::vector<float> width;
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std::vector<float> position;
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std::vector<float> left;
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std::vector<float> right;
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std::vector<float> temp1;
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std::vector<float> temp2;
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std::vector<float> temp3;
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absl::Span<float> span1;
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absl::Span<float> span2;
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absl::Span<float> span3;
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};
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BENCHMARK_DEFINE_F(WidthPosArray, Scalar)(benchmark::State& state) {
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ScopedFTZ ftz;
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const auto leftBuffer = absl::MakeSpan(left);
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const auto rightBuffer = absl::MakeSpan(right);
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for (auto _ : state)
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{
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sfz::width<float, false>(width, leftBuffer, rightBuffer);
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sfz::pan<float, false>(position, leftBuffer, rightBuffer);
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}
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}
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BENCHMARK_DEFINE_F(WidthPosArray, SIMD)(benchmark::State& state) {
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ScopedFTZ ftz;
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const auto leftBuffer = absl::MakeSpan(left);
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const auto rightBuffer = absl::MakeSpan(right);
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for (auto _ : state)
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{
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sfz::width<float, true>(width, leftBuffer, rightBuffer);
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sfz::pan<float, true>(position, leftBuffer, rightBuffer);
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}
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}
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BENCHMARK_REGISTER_F(WidthPosArray, Scalar)->RangeMultiplier(4)->Range(1 << 2, 1 << 12);
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BENCHMARK_REGISTER_F(WidthPosArray, SIMD)->RangeMultiplier(4)->Range(1 << 2, 1 << 12);
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BENCHMARK_MAIN();
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