104 lines
3.6 KiB
C++
104 lines
3.6 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 "Buffer.h"
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#include <benchmark/benchmark.h>
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#include <algorithm>
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#include <numeric>
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#include <absl/types/span.h>
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static void Scalar(benchmark::State& state) {
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sfz::Buffer<float> input (state.range(0) * 2);
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sfz::Buffer<float> outputLeft (state.range(0));
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sfz::Buffer<float> outputRight (state.range(0));
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std::iota(input.begin(), input.end(), 1.0f);
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for (auto _ : state) {
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sfz::setSIMDOpStatus<float>(sfz::SIMDOps::readInterleaved, false);
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sfz::readInterleaved(input, absl::MakeSpan(outputLeft), absl::MakeSpan(outputRight));
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}
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}
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static void SSE(benchmark::State& state) {
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sfz::Buffer<float> input (state.range(0) * 2);
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sfz::Buffer<float> outputLeft (state.range(0));
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sfz::Buffer<float> outputRight (state.range(0));
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std::iota(input.begin(), input.end(), 1.0f);
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for (auto _ : state) {
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sfz::setSIMDOpStatus<float>(sfz::SIMDOps::readInterleaved, true);
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sfz::readInterleaved(input, absl::MakeSpan(outputLeft), absl::MakeSpan(outputRight));
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}
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}
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static void Scalar_Unaligned(benchmark::State& state) {
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sfz::Buffer<float> input (state.range(0) * 2);
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sfz::Buffer<float> outputLeft (state.range(0));
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sfz::Buffer<float> outputRight (state.range(0));
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std::iota(input.begin(), input.end(), 1.0f);
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for (auto _ : state) {
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sfz::setSIMDOpStatus<float>(sfz::SIMDOps::readInterleaved, false);
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sfz::readInterleaved(
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absl::MakeSpan(input).subspan(2),
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absl::MakeSpan(outputLeft),
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absl::MakeSpan(outputRight)
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);
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}
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}
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static void SSE_Unaligned(benchmark::State& state) {
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sfz::Buffer<float> input (state.range(0) * 2);
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sfz::Buffer<float> outputLeft (state.range(0));
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sfz::Buffer<float> outputRight (state.range(0));
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std::iota(input.begin(), input.end(), 1.0f);
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for (auto _ : state) {
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sfz::setSIMDOpStatus<float>(sfz::SIMDOps::readInterleaved, true);
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sfz::readInterleaved(
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absl::MakeSpan(input).subspan(2),
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absl::MakeSpan(outputLeft),
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absl::MakeSpan(outputRight)
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);
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}
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}
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static void Scalar_Unaligned_2(benchmark::State& state) {
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sfz::Buffer<float> input (state.range(0) * 2);
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sfz::Buffer<float> outputLeft (state.range(0));
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sfz::Buffer<float> outputRight (state.range(0));
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std::iota(input.begin(), input.end(), 1.0f);
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for (auto _ : state) {
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sfz::setSIMDOpStatus<float>(sfz::SIMDOps::readInterleaved, false);
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sfz::readInterleaved(
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absl::MakeSpan(input).subspan(2),
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absl::MakeSpan(outputLeft).subspan(1),
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absl::MakeSpan(outputRight).subspan(3)
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);
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}
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}
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static void SSE_Unaligned_2(benchmark::State& state) {
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sfz::Buffer<float> input (state.range(0) * 2);
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sfz::Buffer<float> outputLeft (state.range(0));
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sfz::Buffer<float> outputRight (state.range(0));
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std::iota(input.begin(), input.end(), 1.0f);
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for (auto _ : state) {
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sfz::setSIMDOpStatus<float>(sfz::SIMDOps::readInterleaved, true);
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sfz::readInterleaved(
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absl::MakeSpan(input).subspan(2),
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absl::MakeSpan(outputLeft).subspan(1),
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absl::MakeSpan(outputRight).subspan(3)
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);
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}
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}
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BENCHMARK(Scalar)->Range((8<<10), (8<<20));
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BENCHMARK(SSE)->Range((8<<10), (8<<20));
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BENCHMARK(Scalar_Unaligned)->Range((8<<10), (8<<20));
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BENCHMARK(SSE_Unaligned)->Range((8<<10), (8<<20));
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BENCHMARK(Scalar_Unaligned_2)->Range((8<<10), (8<<20));
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BENCHMARK(SSE_Unaligned_2)->Range((8<<10), (8<<20));
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BENCHMARK_MAIN();
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