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Corrected benchmarks

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Paul Fd 2020-02-19 12:25:03 +01:00 • committed by Paul Ferrand
parent 4e9e286213
commit 507831ae47
3 changed files with 41 additions and 25 deletions
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60
benchmarks/BM_ADSR.cpp
View file

@ -11,45 +11,61 @@
#include <random>
#include <numeric>
constexpr int fixedAmount { 12 };
constexpr int envelopeSize { 2 << 16 };
constexpr int attack = static_cast<int>(envelopeSize / 4) - fixedAmount;
constexpr int decay = attack;
constexpr int release = attack;
constexpr int releaseTime = envelopeSize - static_cast<int>(envelopeSize / 4);
constexpr int fixedAmount{12};
constexpr float sampleRate{100.0f};
constexpr int envelopeSize{2 << 16};
constexpr float attack = static_cast<float>(static_cast<int>(envelopeSize / 4) - fixedAmount) / sampleRate;
constexpr float decay = attack;
constexpr float release = attack;
constexpr float releaseTime = envelopeSize - static_cast<int>(envelopeSize / 4);
// Explicitely instantiate class
#include "ADSREnvelope.cpp"
template class sfz::ADSREnvelope<float>;
class EnvelopeFixture : public benchmark::Fixture
{
public:
void SetUp(const ::benchmark::State &state)
{
region.amplitudeEG.attack = attack;
region.amplitudeEG.release = release;
region.amplitudeEG.decay = decay;
output.resize(state.range(0));
}
static void Point(benchmark::State& state) {
std::vector<float> output(state.range(0));
void TearDown(const ::benchmark::State &state[[maybe_unused]])
{
}
sfz::MidiState midiState;
sfz::Region region{midiState};
sfz::ADSREnvelope<float> envelope;
std::vector<float> output;
};
BENCHMARK_DEFINE_F(EnvelopeFixture, Scalar)(benchmark::State& state)
{
for (auto _ : state) {
envelope.reset(attack, release, 1.0, fixedAmount, decay, fixedAmount);
envelope.reset(region, midiState, 0, 0, sampleRate);
envelope.startRelease(releaseTime);
for(int offset = 0; offset < envelopeSize; offset += static_cast<int>(state.range(0)))
for (int offset = 0; offset < envelopeSize; offset += static_cast<int>(state.range(0)))
for (auto& out: output)
out = envelope.getNextValue();
benchmark::DoNotOptimize(output);
}
state.counters["Per block"] = benchmark::Counter(envelopeSize / static_cast<double>(state.range(0)), benchmark::Counter::kIsRate);
state.counters["Blocks"] = benchmark::Counter(envelopeSize / static_cast<double>(state.range(0)), benchmark::Counter::kIsIterationInvariantRate);
}
static void Block(benchmark::State& state) {
std::vector<float> output(state.range(0));
sfz::ADSREnvelope<float> envelope;
BENCHMARK_DEFINE_F(EnvelopeFixture, Block)(benchmark::State& state)
{
for (auto _ : state) {
envelope.reset(attack, release, 1.0, fixedAmount, decay, fixedAmount);
envelope.reset(region, midiState, 0, 0, sampleRate);
envelope.startRelease(releaseTime);
for(int offset = 0; offset < envelopeSize; offset += static_cast<int>(state.range(0)))
for (int offset = 0; offset < envelopeSize; offset += static_cast<int>(state.range(0)))
envelope.getBlock(absl::MakeSpan(output));
benchmark::DoNotOptimize(output);
}
state.counters["Per block"] = benchmark::Counter(envelopeSize / static_cast<double>(state.range(0)), benchmark::Counter::kIsRate);
state.counters["Blocks"] = benchmark::Counter(envelopeSize / static_cast<double>(state.range(0)), benchmark::Counter::kIsIterationInvariantRate);
}
BENCHMARK(Point)->RangeMultiplier(2)->Range((2<<6), (2<<11));
BENCHMARK(Block)->RangeMultiplier(2)->Range((2<<6), (2<<11));
BENCHMARK_REGISTER_F(EnvelopeFixture, Scalar)->RangeMultiplier(2)->Range((2 << 6), (2 << 11));
BENCHMARK_REGISTER_F(EnvelopeFixture, Block)->RangeMultiplier(2)->Range((2 << 6), (2 << 11));
BENCHMARK_MAIN();

2
benchmarks/BM_envelopes.cpp
View file

@ -13,8 +13,6 @@
#include "EventEnvelopes.h"
#include "absl/types/span.h"
#include "FloatEnvelopes.cpp"
class EnvelopeFixture : public benchmark::Fixture {
public:
void SetUp(const ::benchmark::State& state)

4
benchmarks/CMakeLists.txt
View file

@ -42,6 +42,8 @@ sfizz_add_benchmark(bm_looping BM_looping.cpp)
sfizz_add_benchmark(bm_saturating BM_saturating.cpp)
sfizz_add_benchmark(bm_ramp BM_ramp.cpp)
sfizz_add_benchmark(bm_ADSR BM_ADSR.cpp)
target_link_libraries(bm_ADSR PRIVATE sfizz::sfizz)
sfizz_add_benchmark(bm_add BM_add.cpp)
sfizz_add_benchmark(bm_multiplyAdd BM_multiplyAdd.cpp)
sfizz_add_benchmark(bm_subtract BM_subtract.cpp)
@ -60,7 +62,7 @@ if (TARGET sfizz-samplerate)
target_link_libraries(bm_resample PRIVATE sfizz-samplerate sfizz-sndfile)
endif()
sfizz_add_benchmark(bm_envelopes BM_envelopes.cpp)
sfizz_add_benchmark(bm_envelopes BM_envelopes.cpp ../src/sfizz/MidiState.cpp ../src/sfizz/FloatEnvelopes.cpp)
sfizz_add_benchmark(bm_wavfile BM_wavfile.cpp)
target_link_libraries(bm_wavfile PRIVATE sfizz-sndfile)