60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
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// 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 "ScopedFTZ.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 { 256 };
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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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{
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input = std::vector<float>(blockSize);
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output = std::vector<float>(blockSize);
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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 */)
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{
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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 { 1, 0.2 };
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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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{
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ScopedFTZ ftz;
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sfz::OnePoleFilter<float> filter;
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for (auto _ : state) {
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filter.processLowpass(input, absl::MakeSpan(output));
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}
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}
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BENCHMARK_DEFINE_F(FilterFixture, OnePoleMul_VA) (benchmark::State& state)
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{
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ScopedFTZ ftz;
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sfz::OnePoleFilterMul<float> filter;
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for (auto _ : state) {
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filter.processLowpass(input, absl::MakeSpan(output));
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}
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}
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BENCHMARK_REGISTER_F(FilterFixture, OnePole_VA);
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BENCHMARK_REGISTER_F(FilterFixture, OnePoleMul_VA);
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BENCHMARK_MAIN();
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