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/*
* 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 "SkPaint.h"
#include "SkRandom.h"
#include "SkChunkAlloc.h"
#include "SkString.h"
class ChunkAllocBench : public SkBenchmark {
SkString fName;
size_t fMinSize;
enum {
N = SkBENCHLOOP(1000)
};
public:
ChunkAllocBench(void* param, size_t minSize) : INHERITED(param) {
fMinSize = minSize;
fName.printf("chunkalloc_" SK_SIZE_T_SPECIFIER, minSize);
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return fName.c_str();
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
size_t inc = fMinSize >> 4;
SkASSERT(inc > 0);
size_t total = fMinSize * 64;
SkChunkAlloc alloc(fMinSize);
for (int i = 0; i < N; ++i) {
size_t size = 0;
int calls = 0;
while (size < total) {
alloc.allocThrow(inc);
size += inc;
calls += 1;
}
alloc.reset();
}
}
private:
typedef SkBenchmark INHERITED;
};
static SkBenchmark* F0(void* p) { return new ChunkAllocBench(p, 64); }
static SkBenchmark* F1(void* p) { return new ChunkAllocBench(p, 8*1024); }
static BenchRegistry gR0(F0);
static BenchRegistry gR1(F1);
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