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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" |
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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_; |
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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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