62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
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/*
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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 "SkBenchmark.h"
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#include "SkCanvas.h"
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#include "SkPaint.h"
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#include "SkRandom.h"
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#include "SkChunkAlloc.h"
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#include "SkString.h"
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class ChunkAllocBench : public SkBenchmark {
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SkString fName;
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size_t fMinSize;
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enum {
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N = SkBENCHLOOP(1000)
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};
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public:
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ChunkAllocBench(void* param, size_t minSize) : INHERITED(param) {
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fMinSize = minSize;
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fName.printf("chunkalloc_%d", minSize);
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}
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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return fName.c_str();
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}
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virtual void onDraw(SkCanvas* canvas) SK_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 < N; ++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 SkBenchmark INHERITED;
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};
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static SkBenchmark* F0(void* p) { return new ChunkAllocBench(p, 64); }
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static SkBenchmark* F1(void* p) { return new ChunkAllocBench(p, 8*1024); }
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static BenchRegistry gR0(F0);
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static BenchRegistry gR1(F1);
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