diff --git a/benchmarks/BM_divide.cpp b/benchmarks/BM_divide.cpp new file mode 100644 index 00000000..824fa120 --- /dev/null +++ b/benchmarks/BM_divide.cpp @@ -0,0 +1,96 @@ +// Copyright (c) 2019, Paul Ferrand +// All rights reserved. + +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: + +// 1. Redistributions of source code must retain the above copyright notice, this +// list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. + +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include +#include +#include +#include +#include +#include +#include "SIMDHelpers.h" + + +class Divide : public benchmark::Fixture { +public: + void SetUp(const ::benchmark::State& state) { + std::random_device rd { }; + std::mt19937 gen { rd() }; + std::uniform_real_distribution dist { 0, 1 }; + input = std::vector(state.range(0)); + output = std::vector(state.range(0)); + divisor = std::vector(state.range(0)); + std::generate(divisor.begin(), divisor.end(), [&]() { return dist(gen); }); + std::generate(input.begin(), input.end(), [&]() { return dist(gen); }); + } + + void TearDown(const ::benchmark::State& state [[maybe_unused]]) { + + } + + std::vector divisor; + std::vector input; + std::vector output; +}; + +BENCHMARK_DEFINE_F(Divide, Straight)(benchmark::State& state) { + for (auto _ : state) + { + for (int i = 0; i < state.range(0); ++i) + output[i] = input[i] / divisor[i]; + } +} + +BENCHMARK_DEFINE_F(Divide, Scalar)(benchmark::State& state) { + for (auto _ : state) + { + sfz::divide(input, divisor, absl::MakeSpan(output)); + } +} + +BENCHMARK_DEFINE_F(Divide, SIMD)(benchmark::State& state) { + for (auto _ : state) + { + sfz::divide(input, divisor, absl::MakeSpan(output)); + } +} + +BENCHMARK_DEFINE_F(Divide, Scalar_Unaligned)(benchmark::State& state) { + for (auto _ : state) + { + sfz::divide(absl::MakeSpan(input).subspan(1), absl::MakeSpan(divisor).subspan(1), absl::MakeSpan(output).subspan(1)); + } +} + +BENCHMARK_DEFINE_F(Divide, SIMD_Unaligned)(benchmark::State& state) { + for (auto _ : state) + { + sfz::divide(absl::MakeSpan(input).subspan(1), absl::MakeSpan(divisor).subspan(1), absl::MakeSpan(output).subspan(1)); + } +} + +BENCHMARK_REGISTER_F(Divide, Straight)->RangeMultiplier(4)->Range(1 << 2, 1 << 12); +BENCHMARK_REGISTER_F(Divide, Scalar)->RangeMultiplier(4)->Range(1 << 2, 1 << 12); +BENCHMARK_REGISTER_F(Divide, SIMD)->RangeMultiplier(4)->Range(1 << 2, 1 << 12); +BENCHMARK_REGISTER_F(Divide, Scalar_Unaligned)->RangeMultiplier(4)->Range(1 << 2, 1 << 12); +BENCHMARK_REGISTER_F(Divide, SIMD_Unaligned)->RangeMultiplier(4)->Range(1 << 2, 1 << 12); +BENCHMARK_MAIN(); diff --git a/benchmarks/CMakeLists.txt b/benchmarks/CMakeLists.txt index cb8f105d..0294a83c 100644 --- a/benchmarks/CMakeLists.txt +++ b/benchmarks/CMakeLists.txt @@ -45,6 +45,10 @@ add_executable(bm_gain BM_gain.cpp ${BENCHMARK_SIMD_SOURCES}) target_link_libraries(bm_gain benchmark absl::span) target_include_directories(bm_gain PRIVATE ../src/sfizz ../src/external) +add_executable(bm_divide BM_divide.cpp ${BENCHMARK_SIMD_SOURCES}) +target_link_libraries(bm_divide benchmark absl::span) +target_include_directories(bm_divide PRIVATE ../src/sfizz ../src/external) + add_executable(bm_looping BM_looping.cpp ${BENCHMARK_SIMD_SOURCES}) target_link_libraries(bm_looping benchmark absl::span absl::algorithm) target_include_directories(bm_looping PRIVATE ../src/sfizz ../src/external) @@ -123,6 +127,7 @@ add_dependencies(sfizz_benchmarks bm_interpolationCast bm_mathfuns bm_gain + bm_divide bm_looping bm_saturating bm_ramp