74 lines
2.5 KiB
C++
74 lines
2.5 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 <vector>
|
|
#include <random>
|
|
#include <numeric>
|
|
#include <absl/algorithm/container.h>
|
|
|
|
// In this one we have an array of jumps
|
|
|
|
constexpr float maxJump { 4 };
|
|
|
|
class InterpolationCast : public benchmark::Fixture {
|
|
public:
|
|
void SetUp(const ::benchmark::State& state) {
|
|
std::random_device rd { };
|
|
std::mt19937 gen { rd() };
|
|
std::uniform_real_distribution<float> dist { 0, maxJump };
|
|
jumps = std::vector<int>(state.range(0));
|
|
coeffs = std::vector<float>(state.range(0));
|
|
floatJumps = std::vector<float>(state.range(0));
|
|
absl::c_generate(floatJumps, [&]() { return dist(gen); });
|
|
}
|
|
|
|
void TearDown(const ::benchmark::State& /* state */) {
|
|
|
|
}
|
|
|
|
std::vector<int> jumps;
|
|
std::vector<float> coeffs;
|
|
std::vector<float> floatJumps;
|
|
};
|
|
|
|
|
|
BENCHMARK_DEFINE_F(InterpolationCast, Scalar)(benchmark::State& state) {
|
|
for (auto _ : state)
|
|
{
|
|
sfz::sfzInterpolationCast<float, false>(floatJumps, absl::MakeSpan(jumps), absl::MakeSpan(coeffs));
|
|
}
|
|
}
|
|
|
|
BENCHMARK_DEFINE_F(InterpolationCast, SIMD)(benchmark::State& state) {
|
|
for (auto _ : state)
|
|
{
|
|
sfz::sfzInterpolationCast<float, true>(floatJumps, absl::MakeSpan(jumps), absl::MakeSpan(coeffs));
|
|
}
|
|
}
|
|
|
|
BENCHMARK_DEFINE_F(InterpolationCast, Scalar_Unaligned)(benchmark::State& state) {
|
|
for (auto _ : state)
|
|
{
|
|
sfz::sfzInterpolationCast<float, false>(absl::MakeSpan(floatJumps).subspan(1), absl::MakeSpan(jumps).subspan(3), absl::MakeSpan(coeffs).subspan(1));
|
|
}
|
|
}
|
|
|
|
BENCHMARK_DEFINE_F(InterpolationCast, SIMD_Unaligned)(benchmark::State& state) {
|
|
for (auto _ : state)
|
|
{
|
|
sfz::sfzInterpolationCast<float, true>(absl::MakeSpan(floatJumps).subspan(1), absl::MakeSpan(jumps).subspan(3), absl::MakeSpan(coeffs).subspan(1));
|
|
}
|
|
}
|
|
|
|
|
|
// Register the function as a benchmark
|
|
BENCHMARK_REGISTER_F(InterpolationCast, Scalar)->RangeMultiplier(2)->Range((2<<6), (2<<12));
|
|
BENCHMARK_REGISTER_F(InterpolationCast, SIMD)->RangeMultiplier(2)->Range((2<<6), (2<<12));
|
|
BENCHMARK_REGISTER_F(InterpolationCast, Scalar_Unaligned)->RangeMultiplier(2)->Range((2<<6), (2<<12));
|
|
BENCHMARK_REGISTER_F(InterpolationCast, SIMD_Unaligned)->RangeMultiplier(2)->Range((2<<6), (2<<12));
|
|
BENCHMARK_MAIN();
|