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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/bind.h" | 5 #include "base/bind.h" |
| 6 #include "base/bind_helpers.h" | 6 #include "base/bind_helpers.h" |
| 7 #include "base/time/time.h" | 7 #include "base/time/time.h" |
| 8 #include "media/base/sinc_resampler.h" | 8 #include "media/base/sinc_resampler.h" |
| 9 #include "testing/gmock/include/gmock/gmock.h" | 9 #include "testing/gmock/include/gmock/gmock.h" |
| 10 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 #define CONVOLVE_FUNC Convolve_SSE | 25 #define CONVOLVE_FUNC Convolve_SSE |
| 26 #elif defined(ARCH_CPU_ARM_FAMILY) && defined(USE_NEON) | 26 #elif defined(ARCH_CPU_ARM_FAMILY) && defined(USE_NEON) |
| 27 #define CONVOLVE_FUNC Convolve_NEON | 27 #define CONVOLVE_FUNC Convolve_NEON |
| 28 #endif | 28 #endif |
| 29 | 29 |
| 30 static void RunConvolveBenchmark( | 30 static void RunConvolveBenchmark( |
| 31 SincResampler* resampler, | 31 SincResampler* resampler, |
| 32 float (*convolve_fn)(const float*, const float*, const float*, double), | 32 float (*convolve_fn)(const float*, const float*, const float*, double), |
| 33 bool aligned, | 33 bool aligned, |
| 34 const std::string& trace_name) { | 34 const std::string& trace_name) { |
| 35 base::TimeTicks start = base::TimeTicks::HighResNow(); | 35 base::TimeTicks start = base::TimeTicks::Now(); |
| 36 for (int i = 0; i < kBenchmarkIterations; ++i) { | 36 for (int i = 0; i < kBenchmarkIterations; ++i) { |
| 37 convolve_fn(resampler->get_kernel_for_testing() + (aligned ? 0 : 1), | 37 convolve_fn(resampler->get_kernel_for_testing() + (aligned ? 0 : 1), |
| 38 resampler->get_kernel_for_testing(), | 38 resampler->get_kernel_for_testing(), |
| 39 resampler->get_kernel_for_testing(), | 39 resampler->get_kernel_for_testing(), |
| 40 kKernelInterpolationFactor); | 40 kKernelInterpolationFactor); |
| 41 } | 41 } |
| 42 double total_time_milliseconds = | 42 double total_time_milliseconds = |
| 43 (base::TimeTicks::HighResNow() - start).InMillisecondsF(); | 43 (base::TimeTicks::Now() - start).InMillisecondsF(); |
| 44 perf_test::PrintResult("sinc_resampler_convolve", | 44 perf_test::PrintResult("sinc_resampler_convolve", |
| 45 "", | 45 "", |
| 46 trace_name, | 46 trace_name, |
| 47 kBenchmarkIterations / total_time_milliseconds, | 47 kBenchmarkIterations / total_time_milliseconds, |
| 48 "runs/ms", | 48 "runs/ms", |
| 49 true); | 49 true); |
| 50 } | 50 } |
| 51 | 51 |
| 52 // Benchmark for the various Convolve() methods. Make sure to build with | 52 // Benchmark for the various Convolve() methods. Make sure to build with |
| 53 // branding=Chrome so that DCHECKs are compiled out when benchmarking. | 53 // branding=Chrome so that DCHECKs are compiled out when benchmarking. |
| 54 TEST(SincResamplerPerfTest, Convolve) { | 54 TEST(SincResamplerPerfTest, Convolve) { |
| 55 SincResampler resampler(kSampleRateRatio, | 55 SincResampler resampler(kSampleRateRatio, |
| 56 SincResampler::kDefaultRequestSize, | 56 SincResampler::kDefaultRequestSize, |
| 57 base::Bind(&DoNothing)); | 57 base::Bind(&DoNothing)); |
| 58 | 58 |
| 59 RunConvolveBenchmark( | 59 RunConvolveBenchmark( |
| 60 &resampler, SincResampler::Convolve_C, true, "unoptimized_aligned"); | 60 &resampler, SincResampler::Convolve_C, true, "unoptimized_aligned"); |
| 61 | 61 |
| 62 #if defined(CONVOLVE_FUNC) | 62 #if defined(CONVOLVE_FUNC) |
| 63 RunConvolveBenchmark( | 63 RunConvolveBenchmark( |
| 64 &resampler, SincResampler::CONVOLVE_FUNC, true, "optimized_aligned"); | 64 &resampler, SincResampler::CONVOLVE_FUNC, true, "optimized_aligned"); |
| 65 RunConvolveBenchmark( | 65 RunConvolveBenchmark( |
| 66 &resampler, SincResampler::CONVOLVE_FUNC, false, "optimized_unaligned"); | 66 &resampler, SincResampler::CONVOLVE_FUNC, false, "optimized_unaligned"); |
| 67 #endif | 67 #endif |
| 68 } | 68 } |
| 69 | 69 |
| 70 #undef CONVOLVE_FUNC | 70 #undef CONVOLVE_FUNC |
| 71 | 71 |
| 72 } // namespace media | 72 } // namespace media |
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