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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/memory/aligned_memory.h" | 5 #include "base/memory/aligned_memory.h" |
| 6 #include "base/memory/scoped_ptr.h" | 6 #include "base/memory/scoped_ptr.h" |
| 7 #include "base/time/time.h" | 7 #include "base/time/time.h" |
| 8 #include "media/base/vector_math.h" | 8 #include "media/base/vector_math.h" |
| 9 #include "media/base/vector_math_testing.h" | 9 #include "media/base/vector_math_testing.h" |
| 10 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
| (...skipping 18 matching lines...) Expand all Loading... |
| 29 output_vector_.reset(static_cast<float*>(base::AlignedAlloc( | 29 output_vector_.reset(static_cast<float*>(base::AlignedAlloc( |
| 30 sizeof(float) * kVectorSize, vector_math::kRequiredAlignment))); | 30 sizeof(float) * kVectorSize, vector_math::kRequiredAlignment))); |
| 31 fill(input_vector_.get(), input_vector_.get() + kVectorSize, 1.0f); | 31 fill(input_vector_.get(), input_vector_.get() + kVectorSize, 1.0f); |
| 32 fill(output_vector_.get(), output_vector_.get() + kVectorSize, 0.0f); | 32 fill(output_vector_.get(), output_vector_.get() + kVectorSize, 0.0f); |
| 33 } | 33 } |
| 34 | 34 |
| 35 void RunBenchmark(void (*fn)(const float[], float, int, float[]), | 35 void RunBenchmark(void (*fn)(const float[], float, int, float[]), |
| 36 bool aligned, | 36 bool aligned, |
| 37 const std::string& test_name, | 37 const std::string& test_name, |
| 38 const std::string& trace_name) { | 38 const std::string& trace_name) { |
| 39 TimeTicks start = TimeTicks::HighResNow(); | 39 TimeTicks start = TimeTicks::Now(); |
| 40 for (int i = 0; i < kBenchmarkIterations; ++i) { | 40 for (int i = 0; i < kBenchmarkIterations; ++i) { |
| 41 fn(input_vector_.get(), | 41 fn(input_vector_.get(), |
| 42 kScale, | 42 kScale, |
| 43 kVectorSize - (aligned ? 0 : 1), | 43 kVectorSize - (aligned ? 0 : 1), |
| 44 output_vector_.get()); | 44 output_vector_.get()); |
| 45 } | 45 } |
| 46 double total_time_milliseconds = | 46 double total_time_milliseconds = |
| 47 (TimeTicks::HighResNow() - start).InMillisecondsF(); | 47 (TimeTicks::Now() - start).InMillisecondsF(); |
| 48 perf_test::PrintResult(test_name, | 48 perf_test::PrintResult(test_name, |
| 49 "", | 49 "", |
| 50 trace_name, | 50 trace_name, |
| 51 kBenchmarkIterations / total_time_milliseconds, | 51 kBenchmarkIterations / total_time_milliseconds, |
| 52 "runs/ms", | 52 "runs/ms", |
| 53 true); | 53 true); |
| 54 } | 54 } |
| 55 | 55 |
| 56 void RunBenchmark( | 56 void RunBenchmark( |
| 57 std::pair<float, float> (*fn)(float, const float[], int, float), | 57 std::pair<float, float> (*fn)(float, const float[], int, float), |
| 58 int len, | 58 int len, |
| 59 const std::string& test_name, | 59 const std::string& test_name, |
| 60 const std::string& trace_name) { | 60 const std::string& trace_name) { |
| 61 TimeTicks start = TimeTicks::HighResNow(); | 61 TimeTicks start = TimeTicks::Now(); |
| 62 for (int i = 0; i < kEWMABenchmarkIterations; ++i) { | 62 for (int i = 0; i < kEWMABenchmarkIterations; ++i) { |
| 63 fn(0.5f, input_vector_.get(), len, 0.1f); | 63 fn(0.5f, input_vector_.get(), len, 0.1f); |
| 64 } | 64 } |
| 65 double total_time_milliseconds = | 65 double total_time_milliseconds = |
| 66 (TimeTicks::HighResNow() - start).InMillisecondsF(); | 66 (TimeTicks::Now() - start).InMillisecondsF(); |
| 67 perf_test::PrintResult(test_name, | 67 perf_test::PrintResult(test_name, |
| 68 "", | 68 "", |
| 69 trace_name, | 69 trace_name, |
| 70 kEWMABenchmarkIterations / total_time_milliseconds, | 70 kEWMABenchmarkIterations / total_time_milliseconds, |
| 71 "runs/ms", | 71 "runs/ms", |
| 72 true); | 72 true); |
| 73 } | 73 } |
| 74 | 74 |
| 75 protected: | 75 protected: |
| 76 scoped_ptr<float, base::AlignedFreeDeleter> input_vector_; | 76 scoped_ptr<float, base::AlignedFreeDeleter> input_vector_; |
| (...skipping 70 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 147 ASSERT_EQ(kVectorSize % (vector_math::kRequiredAlignment / sizeof(float)), | 147 ASSERT_EQ(kVectorSize % (vector_math::kRequiredAlignment / sizeof(float)), |
| 148 0U); | 148 0U); |
| 149 RunBenchmark(vector_math::EWMAAndMaxPower_FUNC, | 149 RunBenchmark(vector_math::EWMAAndMaxPower_FUNC, |
| 150 kVectorSize, | 150 kVectorSize, |
| 151 "vector_math_ewma_and_max_power", | 151 "vector_math_ewma_and_max_power", |
| 152 "optimized_aligned"); | 152 "optimized_aligned"); |
| 153 #endif | 153 #endif |
| 154 } | 154 } |
| 155 | 155 |
| 156 } // namespace media | 156 } // namespace media |
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