| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #include "SkBenchmark.h" |
| #include "SkCanvas.h" |
| #include "SkChecksum.h" |
| #include "SkString.h" |
| |
| class ComputeChecksumBench : public SkBenchmark { |
| public: |
| ComputeChecksumBench(void* param, const char name[]) : INHERITED(param) { |
| fName.printf("compute_checksum_%s", name); |
| } |
| |
| enum { |
| DATA_SIZE = 1024, |
| N = SkBENCHLOOP(100000), |
| }; |
| protected: |
| virtual const char* onGetName() { |
| return fName.c_str(); |
| } |
| |
| virtual void onDraw(SkCanvas* canvas) { |
| uint64_t data[DATA_SIZE / sizeof(uint64_t)]; |
| computeChecksum(data, DATA_SIZE); |
| } |
| |
| virtual void computeChecksum(const uint64_t*, size_t) = 0; |
| |
| SkString fName; |
| private: |
| typedef SkBenchmark INHERITED; |
| }; |
| |
| /* |
| * Use SkComputeChecksum32 to compute a checksum on a datablock |
| */ |
| class ComputeChecksum32Bench : public ComputeChecksumBench { |
| public: |
| ComputeChecksum32Bench(void* param) |
| : INHERITED(param, "32") { } |
| |
| protected: |
| virtual void computeChecksum(const uint64_t* data, size_t len) { |
| for (int i = 0; i < N; i++) { |
| volatile uint32_t result = SkComputeChecksum32(reinterpret_cast<const uint32_t*>(data), len); |
| } |
| } |
| |
| private: |
| typedef ComputeChecksumBench INHERITED; |
| }; |
| |
| /* |
| * Use SkComputeChecksum64 to compute a checksum on a datablock |
| */ |
| class ComputeChecksum64Bench : public ComputeChecksumBench { |
| public: |
| ComputeChecksum64Bench(void* param) |
| : INHERITED(param, "64") { } |
| |
| protected: |
| virtual void computeChecksum(const uint64_t* data, size_t len) { |
| for (int i = 0; i < N; i++) { |
| volatile uint64_t result = SkComputeChecksum64(data, len); |
| } |
| } |
| |
| private: |
| typedef ComputeChecksumBench INHERITED; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static SkBenchmark* Fact0(void* p) { return new ComputeChecksum32Bench(p); } |
| static SkBenchmark* Fact1(void* p) { return new ComputeChecksum64Bench(p); } |
| |
| static BenchRegistry gReg0(Fact0); |
| static BenchRegistry gReg1(Fact1); |