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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;
public:
ChunkAllocBench(size_t minSize) {
fMinSize = minSize;
fName.printf("chunkalloc_" SK_SIZE_T_SPECIFIER, minSize);
}
virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
return backend == kNonRendering_Backend;
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return fName.c_str();
}
virtual void onDraw(const int loops, SkCanvas*) SK_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 SkBenchmark INHERITED;
};
DEF_BENCH( return new ChunkAllocBench(64); )
DEF_BENCH( return new ChunkAllocBench(8*1024); )
static int* calloc(size_t num) {
return (int*)sk_calloc_throw(num*sizeof(int));
}
static int* malloc_bzero(size_t num) {
const size_t bytes = num*sizeof(int);
int* ints = (int*)sk_malloc_throw(bytes);
sk_bzero(ints, bytes);
return ints;
}
class ZerosBench : public SkBenchmark {
size_t fNum;
bool fRead;
bool fWrite;
bool fUseCalloc;
SkString fName;
public:
ZerosBench(size_t num, bool read, bool write, bool useCalloc)
: fNum(num)
, fRead(read)
, fWrite(write)
, fUseCalloc(useCalloc) {
fName.printf("memory_%s", useCalloc ? "calloc" : "malloc_bzero");
if (read && write) {
fName.appendf("_rw");
} else if (read) {
fName.appendf("_r");
} else if (write) {
fName.appendf("_w");
}
fName.appendf("_"SK_SIZE_T_SPECIFIER, num);
}
virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
return backend == kNonRendering_Backend;
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return fName.c_str();
}
virtual void onDraw(const int loops, SkCanvas*) SK_OVERRIDE {
for (int i = 0; i < loops; i++) {
int* zeros = fUseCalloc ? calloc(fNum) : malloc_bzero(fNum);
if (fRead) {
volatile int x = 15;
for (size_t j = 0; j < fNum; j++) {
x ^= zeros[j];
}
}
if (fWrite) {
for (size_t j = 0; j < fNum; j++) {
zeros[j] = 15;
}
}
sk_free(zeros);
}
}
};
// zero count r w useCalloc?
DEF_BENCH(return new ZerosBench(1024*1024, 0, 0, 0))
DEF_BENCH(return new ZerosBench(1024*1024, 0, 0, 1))
DEF_BENCH(return new ZerosBench(1024*1024, 0, 1, 0))
DEF_BENCH(return new ZerosBench(1024*1024, 0, 1, 1))
DEF_BENCH(return new ZerosBench(1024*1024, 1, 0, 0))
DEF_BENCH(return new ZerosBench(1024*1024, 1, 0, 1))
DEF_BENCH(return new ZerosBench(1024*1024, 1, 1, 0))
DEF_BENCH(return new ZerosBench(1024*1024, 1, 1, 1))
DEF_BENCH(return new ZerosBench(256*1024, 0, 0, 0))
DEF_BENCH(return new ZerosBench(256*1024, 0, 0, 1))
DEF_BENCH(return new ZerosBench(256*1024, 0, 1, 0))
DEF_BENCH(return new ZerosBench(256*1024, 0, 1, 1))
DEF_BENCH(return new ZerosBench(256*1024, 1, 0, 0))
DEF_BENCH(return new ZerosBench(256*1024, 1, 0, 1))
DEF_BENCH(return new ZerosBench(256*1024, 1, 1, 0))
DEF_BENCH(return new ZerosBench(256*1024, 1, 1, 1))
DEF_BENCH(return new ZerosBench(4*1024, 0, 0, 0))
DEF_BENCH(return new ZerosBench(4*1024, 0, 0, 1))
DEF_BENCH(return new ZerosBench(4*1024, 0, 1, 0))
DEF_BENCH(return new ZerosBench(4*1024, 0, 1, 1))
DEF_BENCH(return new ZerosBench(4*1024, 1, 0, 0))
DEF_BENCH(return new ZerosBench(4*1024, 1, 0, 1))
DEF_BENCH(return new ZerosBench(4*1024, 1, 1, 0))
DEF_BENCH(return new ZerosBench(4*1024, 1, 1, 1))
DEF_BENCH(return new ZerosBench(300, 0, 0, 0))
DEF_BENCH(return new ZerosBench(300, 0, 0, 1))
DEF_BENCH(return new ZerosBench(300, 0, 1, 0))
DEF_BENCH(return new ZerosBench(300, 0, 1, 1))
DEF_BENCH(return new ZerosBench(300, 1, 0, 0))
DEF_BENCH(return new ZerosBench(300, 1, 0, 1))
DEF_BENCH(return new ZerosBench(300, 1, 1, 0))
DEF_BENCH(return new ZerosBench(300, 1, 1, 1))
DEF_BENCH(return new ZerosBench(4, 0, 0, 0))
DEF_BENCH(return new ZerosBench(4, 0, 0, 1))
DEF_BENCH(return new ZerosBench(4, 0, 1, 0))
DEF_BENCH(return new ZerosBench(4, 0, 1, 1))
DEF_BENCH(return new ZerosBench(4, 1, 0, 0))
DEF_BENCH(return new ZerosBench(4, 1, 0, 1))
DEF_BENCH(return new ZerosBench(4, 1, 1, 0))
DEF_BENCH(return new ZerosBench(4, 1, 1, 1))
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