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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/cpu.h" | 7 #include "base/cpu.h" |
8 #include "base/time/time.h" | 8 #include "base/time/time.h" |
9 #include "media/base/sinc_resampler.h" | 9 #include "media/base/sinc_resampler.h" |
10 #include "testing/gmock/include/gmock/gmock.h" | 10 #include "testing/gmock/include/gmock/gmock.h" |
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33 float (*convolve_fn)(const float*, const float*, const float*, double), | 33 float (*convolve_fn)(const float*, const float*, const float*, double), |
34 bool aligned, | 34 bool aligned, |
35 const std::string& trace_name) { | 35 const std::string& trace_name) { |
36 base::TimeTicks start = base::TimeTicks::HighResNow(); | 36 base::TimeTicks start = base::TimeTicks::HighResNow(); |
37 for (int i = 0; i < kBenchmarkIterations; ++i) { | 37 for (int i = 0; i < kBenchmarkIterations; ++i) { |
38 convolve_fn(resampler->get_kernel_for_testing() + (aligned ? 0 : 1), | 38 convolve_fn(resampler->get_kernel_for_testing() + (aligned ? 0 : 1), |
39 resampler->get_kernel_for_testing(), | 39 resampler->get_kernel_for_testing(), |
40 resampler->get_kernel_for_testing(), | 40 resampler->get_kernel_for_testing(), |
41 kKernelInterpolationFactor); | 41 kKernelInterpolationFactor); |
42 } | 42 } |
43 double total_time_seconds = | 43 double total_time_milliseconds = |
44 (base::TimeTicks::HighResNow() - start).InSecondsF(); | 44 (base::TimeTicks::HighResNow() - start).InMillisecondsF(); |
45 perf_test::PrintResult("sinc_resampler_convolve", | 45 perf_test::PrintResult("sinc_resampler_convolve", |
46 "", | 46 "", |
47 trace_name, | 47 trace_name, |
48 kBenchmarkIterations / total_time_seconds, | 48 kBenchmarkIterations / total_time_milliseconds, |
49 "runs/s", | 49 "runs/ms", |
50 true); | 50 true); |
51 } | 51 } |
52 | 52 |
53 // Benchmark for the various Convolve() methods. Make sure to build with | 53 // Benchmark for the various Convolve() methods. Make sure to build with |
54 // branding=Chrome so that DCHECKs are compiled out when benchmarking. | 54 // branding=Chrome so that DCHECKs are compiled out when benchmarking. |
55 TEST(SincResamplerPerfTest, Convolve) { | 55 TEST(SincResamplerPerfTest, Convolve) { |
56 SincResampler resampler(kSampleRateRatio, | 56 SincResampler resampler(kSampleRateRatio, |
57 SincResampler::kDefaultRequestSize, | 57 SincResampler::kDefaultRequestSize, |
58 base::Bind(&DoNothing)); | 58 base::Bind(&DoNothing)); |
59 | 59 |
60 RunConvolveBenchmark( | 60 RunConvolveBenchmark( |
61 &resampler, SincResampler::Convolve_C, true, "unoptimized_aligned"); | 61 &resampler, SincResampler::Convolve_C, true, "unoptimized_aligned"); |
62 | 62 |
63 #if defined(CONVOLVE_FUNC) | 63 #if defined(CONVOLVE_FUNC) |
64 #if defined(ARCH_CPU_X86_FAMILY) | 64 #if defined(ARCH_CPU_X86_FAMILY) |
65 ASSERT_TRUE(base::CPU().has_sse()); | 65 ASSERT_TRUE(base::CPU().has_sse()); |
66 #endif | 66 #endif |
67 RunConvolveBenchmark( | 67 RunConvolveBenchmark( |
68 &resampler, SincResampler::CONVOLVE_FUNC, true, "optimized_aligned"); | 68 &resampler, SincResampler::CONVOLVE_FUNC, true, "optimized_aligned"); |
69 RunConvolveBenchmark( | 69 RunConvolveBenchmark( |
70 &resampler, SincResampler::CONVOLVE_FUNC, false, "optimized_unaligned"); | 70 &resampler, SincResampler::CONVOLVE_FUNC, false, "optimized_unaligned"); |
71 #endif | 71 #endif |
72 } | 72 } |
73 | 73 |
74 #undef CONVOLVE_FUNC | 74 #undef CONVOLVE_FUNC |
75 | 75 |
76 } // namespace media | 76 } // namespace media |
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