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| 1 /* | 1 /* |
| 2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "SkTypes.h" |
| 9 |
| 8 // This tests a Gr class | 10 // This tests a Gr class |
| 9 #if SK_SUPPORT_GPU | 11 #if SK_SUPPORT_GPU |
| 10 | 12 |
| 11 #include "Benchmark.h" | 13 #include "Benchmark.h" |
| 12 #include "GrMemoryPool.h" | 14 #include "GrMemoryPool.h" |
| 13 #include "SkRandom.h" | 15 #include "SkRandom.h" |
| 14 #include "SkTDArray.h" | 16 #include "SkTDArray.h" |
| 15 #include "SkTemplates.h" | 17 #include "SkTemplates.h" |
| 16 | 18 |
| 17 // change this to 0 to compare GrMemoryPool to default new / delete | 19 // change this to 0 to compare GrMemoryPool to default new / delete |
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| 30 /** | 32 /** |
| 31 * This benchmark creates and deletes objects in stack order | 33 * This benchmark creates and deletes objects in stack order |
| 32 */ | 34 */ |
| 33 class GrMemoryPoolBenchStack : public Benchmark { | 35 class GrMemoryPoolBenchStack : public Benchmark { |
| 34 public: | 36 public: |
| 35 bool isSuitableFor(Backend backend) override { | 37 bool isSuitableFor(Backend backend) override { |
| 36 return backend == kNonRendering_Backend; | 38 return backend == kNonRendering_Backend; |
| 37 } | 39 } |
| 38 | 40 |
| 39 protected: | 41 protected: |
| 40 virtual const char* onGetName() { | 42 const char* onGetName() override { |
| 41 return "grmemorypool_stack"; | 43 return "grmemorypool_stack"; |
| 42 } | 44 } |
| 43 | 45 |
| 44 virtual void onDraw(const int loops, SkCanvas*) { | 46 void onDraw(const int loops, SkCanvas*) override { |
| 45 SkRandom r; | 47 SkRandom r; |
| 46 enum { | 48 enum { |
| 47 kMaxObjects = 4 * (1 << 10), | 49 kMaxObjects = 4 * (1 << 10), |
| 48 }; | 50 }; |
| 49 A* objects[kMaxObjects]; | 51 A* objects[kMaxObjects]; |
| 50 | 52 |
| 51 // We delete if a random [-1, 1] fixed pt is < the thresh. Otherwise, | 53 // We delete if a random [-1, 1] fixed pt is < the thresh. Otherwise, |
| 52 // we allocate. We start allocate-biased and ping-pong to delete-biased | 54 // we allocate. We start allocate-biased and ping-pong to delete-biased |
| 53 SkFixed delThresh = -SK_FixedHalf; | 55 SkFixed delThresh = -SK_FixedHalf; |
| 54 const int kSwitchThreshPeriod = loops / (2 * kMaxObjects); | 56 const int kSwitchThreshPeriod = loops / (2 * kMaxObjects); |
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| 92 /** | 94 /** |
| 93 * This benchmark creates objects and deletes them in random order | 95 * This benchmark creates objects and deletes them in random order |
| 94 */ | 96 */ |
| 95 class GrMemoryPoolBenchRandom : public Benchmark { | 97 class GrMemoryPoolBenchRandom : public Benchmark { |
| 96 public: | 98 public: |
| 97 bool isSuitableFor(Backend backend) override { | 99 bool isSuitableFor(Backend backend) override { |
| 98 return backend == kNonRendering_Backend; | 100 return backend == kNonRendering_Backend; |
| 99 } | 101 } |
| 100 | 102 |
| 101 protected: | 103 protected: |
| 102 virtual const char* onGetName() { | 104 const char* onGetName() override { |
| 103 return "grmemorypool_random"; | 105 return "grmemorypool_random"; |
| 104 } | 106 } |
| 105 | 107 |
| 106 virtual void onDraw(const int loops, SkCanvas*) { | 108 void onDraw(const int loops, SkCanvas*) override { |
| 107 SkRandom r; | 109 SkRandom r; |
| 108 enum { | 110 enum { |
| 109 kMaxObjects = 4 * (1 << 10), | 111 kMaxObjects = 4 * (1 << 10), |
| 110 }; | 112 }; |
| 111 SkAutoTDelete<B> objects[kMaxObjects]; | 113 SkAutoTDelete<B> objects[kMaxObjects]; |
| 112 | 114 |
| 113 for (int i = 0; i < loops; i++) { | 115 for (int i = 0; i < loops; i++) { |
| 114 uint32_t idx = r.nextRangeU(0, kMaxObjects-1); | 116 uint32_t idx = r.nextRangeU(0, kMaxObjects-1); |
| 115 if (NULL == objects[idx].get()) { | 117 if (NULL == objects[idx].get()) { |
| 116 objects[idx].reset(new B); | 118 objects[idx].reset(new B); |
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| 140 class GrMemoryPoolBenchQueue : public Benchmark { | 142 class GrMemoryPoolBenchQueue : public Benchmark { |
| 141 enum { | 143 enum { |
| 142 M = 4 * (1 << 10), | 144 M = 4 * (1 << 10), |
| 143 }; | 145 }; |
| 144 public: | 146 public: |
| 145 bool isSuitableFor(Backend backend) override { | 147 bool isSuitableFor(Backend backend) override { |
| 146 return backend == kNonRendering_Backend; | 148 return backend == kNonRendering_Backend; |
| 147 } | 149 } |
| 148 | 150 |
| 149 protected: | 151 protected: |
| 150 virtual const char* onGetName() { | 152 const char* onGetName() override { |
| 151 return "grmemorypool_queue"; | 153 return "grmemorypool_queue"; |
| 152 } | 154 } |
| 153 | 155 |
| 154 virtual void onDraw(const int loops, SkCanvas*) { | 156 void onDraw(const int loops, SkCanvas*) override { |
| 155 SkRandom r; | 157 SkRandom r; |
| 156 C* objects[M]; | 158 C* objects[M]; |
| 157 for (int i = 0; i < loops; i++) { | 159 for (int i = 0; i < loops; i++) { |
| 158 uint32_t count = r.nextRangeU(0, M-1); | 160 uint32_t count = r.nextRangeU(0, M-1); |
| 159 for (uint32_t i = 0; i < count; i++) { | 161 for (uint32_t i = 0; i < count; i++) { |
| 160 objects[i] = new C; | 162 objects[i] = new C; |
| 161 } | 163 } |
| 162 for (uint32_t i = 0; i < count; i++) { | 164 for (uint32_t i = 0; i < count; i++) { |
| 163 delete objects[i]; | 165 delete objects[i]; |
| 164 } | 166 } |
| 165 } | 167 } |
| 166 } | 168 } |
| 167 | 169 |
| 168 private: | 170 private: |
| 169 typedef Benchmark INHERITED; | 171 typedef Benchmark INHERITED; |
| 170 }; | 172 }; |
| 171 | 173 |
| 172 /////////////////////////////////////////////////////////////////////////////// | 174 /////////////////////////////////////////////////////////////////////////////// |
| 173 | 175 |
| 174 DEF_BENCH( return new GrMemoryPoolBenchStack(); ) | 176 DEF_BENCH( return new GrMemoryPoolBenchStack(); ) |
| 175 DEF_BENCH( return new GrMemoryPoolBenchRandom(); ) | 177 DEF_BENCH( return new GrMemoryPoolBenchRandom(); ) |
| 176 DEF_BENCH( return new GrMemoryPoolBenchQueue(); ) | 178 DEF_BENCH( return new GrMemoryPoolBenchQueue(); ) |
| 177 | 179 |
| 178 #endif | 180 #endif |
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