chromium/media/base/vector_math_perftest.cc

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include <memory>

#include "base/cpu.h"
#include "base/memory/aligned_memory.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "media/base/vector_math.h"
#include "media/base/vector_math_testing.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/perf/perf_result_reporter.h"

TimeTicks;
fill;

namespace {

perf_test::PerfResultReporter SetUpReporter(const std::string& story_name) { … }

}  // namespace

namespace media {

static const int kBenchmarkIterations = …;
static const int kEWMABenchmarkIterations = …;
static const float kScale = …;
static const int kVectorSize = …;

class VectorMathPerfTest : public testing::Test { … };

// Benchmarks for each optimized vector_math::FMAC() method.
// Benchmark FMAC_C().
TEST_F(VectorMathPerfTest, FMAC_unoptimized) { … }

// Benchmark FMAC_FUNC() with unaligned size.
TEST_F(VectorMathPerfTest, FMAC_optimized_unaligned) { … }

// Benchmark FMAC_FUNC() with aligned size.
TEST_F(VectorMathPerfTest, FMAC_optimized_aligned) { … }

// Benchmarks for each optimized vector_math::FMUL() method.
// Benchmark FMUL_C().
TEST_F(VectorMathPerfTest, FMUL_unoptimized) { … }

// Benchmark FMUL_FUNC() with unaligned size.
TEST_F(VectorMathPerfTest, FMUL_optimized_unaligned) { … }

// Benchmark FMUL_FUNC() with aligned size.
TEST_F(VectorMathPerfTest, FMUL_optimized_aligned) { … }

// Benchmarks for each optimized vector_math::EWMAAndMaxPower() method.
// Benchmark EWMAAndMaxPower_C().
TEST_F(VectorMathPerfTest, EWMAAndMaxPower_unoptimized) { … }

// Benchmark EWMAAndMaxPower_FUNC() with unaligned size.
TEST_F(VectorMathPerfTest, EWMAAndMaxPower_optimized_unaligned) { … }

// Benchmark EWMAAndMaxPower_FUNC() with aligned size.
TEST_F(VectorMathPerfTest, EWMAAndMaxPower_optimized_aligned) { … }

} // namespace media