36352bf5e3
NOPRESUBMIT=true BUG=skia: DOCS_PREVIEW= https://skia.org/?cl=1037793002 Review URL: https://codereview.chromium.org/1037793002
59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Benchmark.h"
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#include "SkCanvas.h"
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#include "SkChunkAlloc.h"
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#include "SkPaint.h"
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#include "SkRandom.h"
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#include "SkString.h"
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class ChunkAllocBench : public Benchmark {
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SkString fName;
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size_t fMinSize;
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public:
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ChunkAllocBench(size_t minSize) {
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fMinSize = minSize;
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fName.printf("chunkalloc_" SK_SIZE_T_SPECIFIER, minSize);
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}
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bool isSuitableFor(Backend backend) override {
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return backend == kNonRendering_Backend;
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}
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protected:
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const char* onGetName() override {
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return fName.c_str();
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}
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void onDraw(const int loops, SkCanvas*) override {
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size_t inc = fMinSize >> 4;
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SkASSERT(inc > 0);
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size_t total = fMinSize * 64;
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SkChunkAlloc alloc(fMinSize);
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for (int i = 0; i < loops; ++i) {
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size_t size = 0;
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int calls = 0;
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while (size < total) {
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alloc.allocThrow(inc);
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size += inc;
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calls += 1;
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}
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alloc.reset();
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}
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}
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private:
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typedef Benchmark INHERITED;
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};
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DEF_BENCH( return new ChunkAllocBench(64); )
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DEF_BENCH( return new ChunkAllocBench(8*1024); )
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