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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 "Benchmark.h"
#include "SkCanvas.h"
#include "SkChunkAlloc.h"
#include "SkPaint.h"
#include "SkRandom.h"
#include "SkString.h"
class ChunkAllocBench : public Benchmark {
SkString fName;
size_t fMinSize;
public:
ChunkAllocBench(size_t minSize) {
fMinSize = minSize;
fName.printf("chunkalloc_" SK_SIZE_T_SPECIFIER, minSize);
}
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override {
return fName.c_str();
}
void onDraw(const int loops, SkCanvas*) override {
size_t inc = fMinSize >> 4;
SkASSERT(inc > 0);
size_t total = fMinSize * 64;
SkChunkAlloc alloc(fMinSize);
for (int i = 0; i < loops; ++i) {
size_t size = 0;
int calls = 0;
while (size < total) {
alloc.allocThrow(inc);
size += inc;
calls += 1;
}
alloc.reset();
}
}
private:
typedef Benchmark INHERITED;
};
DEF_BENCH( return new ChunkAllocBench(64); )
DEF_BENCH( return new ChunkAllocBench(8*1024); )