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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 <memory>
#include "Benchmark.h"
#include "SkAtomics.h"
#include "SkRefCnt.h"
#include "SkWeakRefCnt.h"
enum {
M = 2
};
class AtomicInc32 : public Benchmark {
public:
AtomicInc32() : fX(0) {}
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override {
return "atomic_inc_32";
}
void onDraw(int loops, SkCanvas*) override {
for (int i = 0; i < loops; ++i) {
sk_atomic_inc(&fX);
}
}
private:
int32_t fX;
typedef Benchmark INHERITED;
};
class RefCntBench_Stack : public Benchmark {
public:
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override {
return "ref_cnt_stack";
}
void onDraw(int loops, SkCanvas*) override {
for (int i = 0; i < loops; ++i) {
SkRefCnt ref;
for (int j = 0; j < M; ++j) {
ref.ref();
ref.unref();
}
}
}
private:
typedef Benchmark INHERITED;
};
class PlacedRefCnt : public SkRefCnt {
public:
PlacedRefCnt() : SkRefCnt() { }
void operator delete(void*) { }
private:
typedef SkRefCnt INHERITED;
};
class RefCntBench_Heap : public Benchmark {
public:
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override {
return "ref_cnt_heap";
}
void onDraw(int loops, SkCanvas*) override {
char memory[sizeof(PlacedRefCnt)];
for (int i = 0; i < loops; ++i) {
PlacedRefCnt* ref = new (memory) PlacedRefCnt();
for (int j = 0; j < M; ++j) {
ref->ref();
ref->unref();
}
ref->unref();
}
}
private:
typedef Benchmark INHERITED;
};
class RefCntBench_New : public Benchmark {
public:
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override {
return "ref_cnt_new";
}
void onDraw(int loops, SkCanvas*) override {
for (int i = 0; i < loops; ++i) {
SkRefCnt* ref = new SkRefCnt();
for (int j = 0; j < M; ++j) {
ref->ref();
ref->unref();
}
ref->unref();
}
}
private:
typedef Benchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
class WeakRefCntBench_Stack : public Benchmark {
public:
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override {
return "ref_cnt_stack_weak";
}
void onDraw(int loops, SkCanvas*) override {
for (int i = 0; i < loops; ++i) {
SkWeakRefCnt ref;
for (int j = 0; j < M; ++j) {
ref.ref();
ref.unref();
}
}
}
private:
typedef Benchmark INHERITED;
};
class PlacedWeakRefCnt : public SkWeakRefCnt {
public:
PlacedWeakRefCnt() : SkWeakRefCnt() { }
void operator delete(void*) { }
};
class WeakRefCntBench_Heap : public Benchmark {
public:
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override {
return "ref_cnt_heap_weak";
}
void onDraw(int loops, SkCanvas*) override {
char memory[sizeof(PlacedWeakRefCnt)];
for (int i = 0; i < loops; ++i) {
PlacedWeakRefCnt* ref = new (memory) PlacedWeakRefCnt();
for (int j = 0; j < M; ++j) {
ref->ref();
ref->unref();
}
ref->unref();
}
}
private:
typedef Benchmark INHERITED;
};
class WeakRefCntBench_New : public Benchmark {
public:
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override {
return "ref_cnt_new_weak";
}
void onDraw(int loops, SkCanvas*) override {
for (int i = 0; i < loops; ++i) {
SkWeakRefCnt* ref = new SkWeakRefCnt();
for (int j = 0; j < M; ++j) {
ref->ref();
ref->unref();
}
ref->unref();
}
}
private:
typedef Benchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new AtomicInc32(); )
DEF_BENCH( return new RefCntBench_Stack(); )
DEF_BENCH( return new RefCntBench_Heap(); )
DEF_BENCH( return new RefCntBench_New(); )
DEF_BENCH( return new WeakRefCntBench_Stack(); )
DEF_BENCH( return new WeakRefCntBench_Heap(); )
DEF_BENCH( return new WeakRefCntBench_New(); )
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