| /* |
| * 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 "bench/Benchmark.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/private/SkChecksum.h" |
| #include "include/private/base/SkTemplates.h" |
| #include "src/base/SkRandom.h" |
| #include "src/core/SkMD5.h" |
| #include "src/core/SkOpts.h" |
| |
| enum ChecksumType { |
| kMD5_ChecksumType, |
| kHash_ChecksumType, |
| }; |
| |
| class ComputeChecksumBench : public Benchmark { |
| enum { |
| U32COUNT = 256, |
| SIZE = U32COUNT * 4, |
| }; |
| uint32_t fData[U32COUNT]; |
| ChecksumType fType; |
| |
| public: |
| ComputeChecksumBench(ChecksumType type) : fType(type) { |
| SkRandom rand; |
| for (int i = 0; i < U32COUNT; ++i) { |
| fData[i] = rand.nextU(); |
| } |
| } |
| |
| bool isSuitableFor(Backend backend) override { |
| return backend == kNonRendering_Backend; |
| } |
| |
| protected: |
| const char* onGetName() override { |
| switch (fType) { |
| case kMD5_ChecksumType: return "compute_md5"; |
| case kHash_ChecksumType: return "compute_hash"; |
| |
| default: SK_ABORT("Invalid Type"); |
| } |
| } |
| |
| void onDraw(int loops, SkCanvas*) override { |
| switch (fType) { |
| case kMD5_ChecksumType: { |
| for (int i = 0; i < loops; i++) { |
| SkMD5 md5; |
| md5.write(fData, sizeof(fData)); |
| (void)md5.finish(); |
| } |
| } break; |
| case kHash_ChecksumType: { |
| for (int i = 0; i < loops; i++) { |
| volatile uint32_t result = SkOpts::hash(fData, sizeof(fData)); |
| sk_ignore_unused_variable(result); |
| } |
| }break; |
| } |
| |
| } |
| |
| private: |
| using INHERITED = Benchmark; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| DEF_BENCH( return new ComputeChecksumBench(kMD5_ChecksumType); ) |
| DEF_BENCH( return new ComputeChecksumBench(kHash_ChecksumType); ) |