7de18e5c7b
https://codereview.appspot.com/7218045/ git-svn-id: http://skia.googlecode.com/svn/trunk@7539 2bbb7eff-a529-9590-31e7-b0007b416f81
111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
/*
|
|
* 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 "SkChecksum.h"
|
|
#include "SkCityHash.h"
|
|
#include "SkMD5.h"
|
|
#include "SkRandom.h"
|
|
#include "SkSHA1.h"
|
|
#include "SkTemplates.h"
|
|
|
|
enum ChecksumType {
|
|
kChecksum_ChecksumType,
|
|
kMD5_ChecksumType,
|
|
kSHA1_ChecksumType,
|
|
kCityHash32,
|
|
kCityHash64
|
|
};
|
|
|
|
class ComputeChecksumBench : public SkBenchmark {
|
|
enum {
|
|
U32COUNT = 256,
|
|
SIZE = U32COUNT * 4,
|
|
N = SkBENCHLOOP(100000),
|
|
};
|
|
uint32_t fData[U32COUNT];
|
|
ChecksumType fType;
|
|
|
|
public:
|
|
ComputeChecksumBench(void* param, ChecksumType type) : INHERITED(param), fType(type) {
|
|
SkRandom rand;
|
|
for (int i = 0; i < U32COUNT; ++i) {
|
|
fData[i] = rand.nextU();
|
|
}
|
|
fIsRendering = false;
|
|
}
|
|
|
|
protected:
|
|
virtual const char* onGetName() {
|
|
switch (fType) {
|
|
case kChecksum_ChecksumType: return "compute_checksum";
|
|
case kMD5_ChecksumType: return "compute_md5";
|
|
case kSHA1_ChecksumType: return "compute_sha1";
|
|
case kCityHash32: return "compute_cityhash32";
|
|
case kCityHash64: return "compute_cityhash64";
|
|
default: SK_CRASH(); return "";
|
|
}
|
|
}
|
|
|
|
virtual void onDraw(SkCanvas* canvas) {
|
|
switch (fType) {
|
|
case kChecksum_ChecksumType: {
|
|
for (int i = 0; i < N; i++) {
|
|
volatile uint32_t result = SkChecksum::Compute(fData, sizeof(fData));
|
|
sk_ignore_unused_variable(result);
|
|
}
|
|
} break;
|
|
case kMD5_ChecksumType: {
|
|
for (int i = 0; i < N; i++) {
|
|
SkMD5 md5;
|
|
md5.update(reinterpret_cast<uint8_t*>(fData), sizeof(fData));
|
|
SkMD5::Digest digest;
|
|
md5.finish(digest);
|
|
}
|
|
} break;
|
|
case kSHA1_ChecksumType: {
|
|
for (int i = 0; i < N; i++) {
|
|
SkSHA1 sha1;
|
|
sha1.update(reinterpret_cast<uint8_t*>(fData), sizeof(fData));
|
|
SkSHA1::Digest digest;
|
|
sha1.finish(digest);
|
|
}
|
|
} break;
|
|
case kCityHash32: {
|
|
for (int i = 0; i < N; i++) {
|
|
volatile uint32_t result = SkCityHash::Compute32(reinterpret_cast<char*>(fData), sizeof(fData));
|
|
sk_ignore_unused_variable(result);
|
|
}
|
|
} break;
|
|
case kCityHash64: {
|
|
for (int i = 0; i < N; i++) {
|
|
volatile uint64_t result = SkCityHash::Compute64(reinterpret_cast<char*>(fData), sizeof(fData));
|
|
sk_ignore_unused_variable(result);
|
|
}
|
|
} break;
|
|
}
|
|
|
|
}
|
|
|
|
private:
|
|
typedef SkBenchmark INHERITED;
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
static SkBenchmark* Fact0(void* p) { return new ComputeChecksumBench(p, kChecksum_ChecksumType); }
|
|
static SkBenchmark* Fact1(void* p) { return new ComputeChecksumBench(p, kMD5_ChecksumType); }
|
|
static SkBenchmark* Fact2(void* p) { return new ComputeChecksumBench(p, kSHA1_ChecksumType); }
|
|
static SkBenchmark* Fact3(void* p) { return new ComputeChecksumBench(p, kCityHash32); }
|
|
static SkBenchmark* Fact4(void* p) { return new ComputeChecksumBench(p, kCityHash64); }
|
|
|
|
static BenchRegistry gReg0(Fact0);
|
|
static BenchRegistry gReg1(Fact1);
|
|
static BenchRegistry gReg2(Fact2);
|
|
static BenchRegistry gReg3(Fact3);
|
|
static BenchRegistry gReg4(Fact4);
|