55 lines
2.2 KiB
C++
55 lines
2.2 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 "Config.h"
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#include "ADSREnvelope.h"
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#include <benchmark/benchmark.h>
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#include <algorithm>
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#include <random>
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#include <numeric>
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constexpr int fixedAmount { 12 };
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constexpr int envelopeSize { 2 << 16 };
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constexpr int attack = static_cast<int>(envelopeSize / 4) - fixedAmount;
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constexpr int decay = attack;
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constexpr int release = attack;
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constexpr int releaseTime = envelopeSize - static_cast<int>(envelopeSize / 4);
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// Explicitely instantiate class
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#include "ADSREnvelope.cpp"
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template class sfz::ADSREnvelope<float>;
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static void Point(benchmark::State& state) {
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std::vector<float> output(state.range(0));
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sfz::ADSREnvelope<float> envelope;
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for (auto _ : state) {
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envelope.reset(attack, release, 1.0, fixedAmount, decay, fixedAmount);
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envelope.startRelease(releaseTime);
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for(int offset = 0; offset < envelopeSize; offset += static_cast<int>(state.range(0)))
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for (auto& out: output)
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out = envelope.getNextValue();
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benchmark::DoNotOptimize(output);
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}
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state.counters["Per block"] = benchmark::Counter(envelopeSize / static_cast<double>(state.range(0)), benchmark::Counter::kIsRate);
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}
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static void Block(benchmark::State& state) {
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std::vector<float> output(state.range(0));
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sfz::ADSREnvelope<float> envelope;
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for (auto _ : state) {
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envelope.reset(attack, release, 1.0, fixedAmount, decay, fixedAmount);
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envelope.startRelease(releaseTime);
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for(int offset = 0; offset < envelopeSize; offset += static_cast<int>(state.range(0)))
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envelope.getBlock(absl::MakeSpan(output));
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benchmark::DoNotOptimize(output);
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}
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state.counters["Per block"] = benchmark::Counter(envelopeSize / static_cast<double>(state.range(0)), benchmark::Counter::kIsRate);
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}
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BENCHMARK(Point)->RangeMultiplier(2)->Range((2<<6), (2<<11));
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BENCHMARK(Block)->RangeMultiplier(2)->Range((2<<6), (2<<11));
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BENCHMARK_MAIN();
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