135 lines
4.8 KiB
C++
135 lines
4.8 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 "OnePoleFilter.h"
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#include "SfzFilter.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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constexpr int blockSize { 1024 };
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constexpr float sampleRate { 48000.0f };
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class FilterFixture : public benchmark::Fixture {
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public:
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void SetUp(const ::benchmark::State&) {
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input = std::vector<float>(blockSize);
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output = std::vector<float>(blockSize);
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cutoff = std::vector<float>(blockSize);
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q = std::vector<float>(blockSize);
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pksh = std::vector<float>(blockSize);
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sfz::linearRamp<float>(absl::MakeSpan(cutoff), 500, 1.0f);
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sfz::linearRamp<float>(absl::MakeSpan(q), 0.0f, 0.001f);
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sfz::linearRamp<float>(absl::MakeSpan(pksh), 0.0f, 0.001f);
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std::generate(input.begin(), input.end(), [&]() { 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::random_device rd { };
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std::mt19937 gen { rd() };
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std::normal_distribution<float> dist { 0, 0.5 };
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std::vector<float> cutoff;
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std::vector<float> q;
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std::vector<float> pksh;
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std::vector<float> input;
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std::vector<float> output;
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};
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BENCHMARK_DEFINE_F(FilterFixture, OnePole_VA)(benchmark::State& state) {
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sfz::OnePoleFilter<float> filter;
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for (auto _ : state)
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{
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const auto step = static_cast<size_t>(state.range(0));
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auto cutoffIterator = cutoff.begin();
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auto inputIterator = input.begin();
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auto outputIterator = output.begin();
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while (cutoffIterator < cutoff.end())
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{
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const auto gain = sfz::OnePoleFilter<float>::normalizedGain(*cutoffIterator, sampleRate);
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filter.setGain(gain);
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filter.processLowpass({ inputIterator.base(), step }, { outputIterator.base(), step } );
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cutoffIterator += step;
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inputIterator += step;
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outputIterator += step;
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}
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}
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}
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BENCHMARK_DEFINE_F(FilterFixture, OnePole_Faust)(benchmark::State& state) {
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sfz::Filter filter;
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filter.setType(sfz::FilterType::kFilterLpf1p);
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for (auto _ : state)
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{
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const auto step = static_cast<size_t>(state.range(0));
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auto cutoffIterator = cutoff.begin();
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auto inputIterator = input.begin();
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auto outputIterator = output.begin();
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while (cutoffIterator < cutoff.end())
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{
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filter.process(&inputIterator.base(), &outputIterator.base(), *cutoffIterator, 0.0, 0.0, step);
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cutoffIterator += step;
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inputIterator += step;
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outputIterator += step;
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}
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}
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}
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BENCHMARK_DEFINE_F(FilterFixture, TwoPole_Faust)(benchmark::State& state) {
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sfz::Filter filter;
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filter.setType(sfz::FilterType::kFilterLpf2p);
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for (auto _ : state)
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{
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const auto step = static_cast<size_t>(state.range(0));
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auto cutoffIterator = cutoff.begin();
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auto qIterator = q.begin();
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auto inputIterator = input.begin();
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auto outputIterator = output.begin();
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while (cutoffIterator < cutoff.end())
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{
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filter.process(&inputIterator.base(), &outputIterator.base(), *cutoffIterator, *qIterator, 0.0, step);
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qIterator += step;
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cutoffIterator += step;
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inputIterator += step;
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outputIterator += step;
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}
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}
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}
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BENCHMARK_DEFINE_F(FilterFixture, TwoPoleShelf_Faust)(benchmark::State& state) {
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sfz::Filter filter;
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filter.setType(sfz::FilterType::kFilterLsh);
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for (auto _ : state)
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{
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const auto step = static_cast<size_t>(state.range(0));
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auto cutoffIterator = cutoff.begin();
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auto qIterator = q.begin();
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auto pkshIterator = pksh.begin();
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auto inputIterator = input.begin();
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auto outputIterator = output.begin();
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while (cutoffIterator < cutoff.end())
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{
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filter.process(&inputIterator.base(), &outputIterator.base(), *cutoffIterator, *qIterator, *pkshIterator, step);
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qIterator += step;
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cutoffIterator += step;
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pkshIterator += step;
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inputIterator += step;
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outputIterator += step;
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}
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}
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}
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BENCHMARK_REGISTER_F(FilterFixture, OnePole_VA)->RangeMultiplier(2)->Range(1, 1 << 8);
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BENCHMARK_REGISTER_F(FilterFixture, OnePole_Faust)->RangeMultiplier(2)->Range(1, 1 << 8);
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BENCHMARK_REGISTER_F(FilterFixture, TwoPole_Faust)->RangeMultiplier(2)->Range(1, 1 << 8);
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BENCHMARK_REGISTER_F(FilterFixture, TwoPoleShelf_Faust)->RangeMultiplier(2)->Range(1, 1 << 8);
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BENCHMARK_MAIN();
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