sfizz/benchmarks/BM_envelopes.cpp
2020-01-25 13:13:07 +01:00

81 lines
2.7 KiB
C++

// SPDX-License-Identifier: BSD-2-Clause
// This code is part of the sfizz library and is licensed under a BSD 2-clause
// license. You should have receive a LICENSE.md file along with the code.
// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
#include "SIMDHelpers.h"
#include <benchmark/benchmark.h>
#include <random>
#include <numeric>
#include <vector>
#include <cmath>
#include <iostream>
#include "EventEnvelopes.h"
#include "absl/types/span.h"
#include "FloatEnvelopes.cpp"
class EnvelopeFixture : public benchmark::Fixture {
public:
void SetUp(const ::benchmark::State& state)
{
input = std::vector<float>(state.range(0));
output = std::vector<float>(state.range(0));
std::generate(input.begin(), input.end(), [&]() { return dist(gen); });
sfz::cumsum<float, false>(input, absl::MakeSpan(input));
}
void TearDown(const ::benchmark::State& state [[maybe_unused]])
{
}
std::random_device rd { };
std::mt19937 gen { rd() };
std::uniform_real_distribution<float> dist { 1, 30 };
std::vector<float> input;
std::vector<float> output;
};
BENCHMARK_DEFINE_F(EnvelopeFixture, Linear)(benchmark::State& state) {
sfz::LinearEnvelope<float> envelope;
for (auto _ : state)
{
envelope.registerEvent(static_cast<int>(state.range(0) - 1), dist(gen));
envelope.getBlock(absl::MakeSpan(output));
}
}
BENCHMARK_DEFINE_F(EnvelopeFixture, LinearQuantized)(benchmark::State& state) {
sfz::LinearEnvelope<float> envelope;
for (auto _ : state)
{
envelope.registerEvent(static_cast<int>(state.range(0) - 1), dist(gen));
envelope.getQuantizedBlock(absl::MakeSpan(output), 0.5);
}
}
BENCHMARK_DEFINE_F(EnvelopeFixture, Multiplicative)(benchmark::State& state) {
sfz::MultiplicativeEnvelope<float> envelope;
for (auto _ : state)
{
envelope.registerEvent(static_cast<int>(state.range(0) - 1), dist(gen));
envelope.getBlock(absl::MakeSpan(output));
}
}
BENCHMARK_DEFINE_F(EnvelopeFixture, MultiplicativeQuantized)(benchmark::State& state) {
sfz::MultiplicativeEnvelope<float> envelope;
for (auto _ : state)
{
envelope.registerEvent(static_cast<int>(state.range(0) - 1), dist(gen));
envelope.getQuantizedBlock(absl::MakeSpan(output), 1.5);
}
}
BENCHMARK_REGISTER_F(EnvelopeFixture, Linear)->RangeMultiplier(4)->Range(1 << 2, 1 << 12);
BENCHMARK_REGISTER_F(EnvelopeFixture, LinearQuantized)->RangeMultiplier(4)->Range(1 << 2, 1 << 12);
BENCHMARK_REGISTER_F(EnvelopeFixture, Multiplicative)->RangeMultiplier(4)->Range(1 << 2, 1 << 12);
BENCHMARK_REGISTER_F(EnvelopeFixture, MultiplicativeQuantized)->RangeMultiplier(4)->Range(1 << 2, 1 << 12);
BENCHMARK_MAIN();