skia2/bench/ChecksumBench.cpp
mtklein@google.com 410e6e80f0 Refactoring: get rid of the SkBenchmark void* parameter.
While I was doing massive sed-ing, I also converted every bench to use DEF_BENCH instead of registering the ugly manual way.

BUG=
R=scroggo@google.com

Review URL: https://codereview.chromium.org/23876006

git-svn-id: http://skia.googlecode.com/svn/trunk@11263 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-09-13 19:52:27 +00:00

95 lines
2.9 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 "SkMD5.h"
#include "SkRandom.h"
#include "SkSHA1.h"
#include "SkTemplates.h"
enum ChecksumType {
kChecksum_ChecksumType,
kMD5_ChecksumType,
kSHA1_ChecksumType,
kMurmur3_ChecksumType,
};
class ComputeChecksumBench : public SkBenchmark {
enum {
U32COUNT = 256,
SIZE = U32COUNT * 4,
};
uint32_t fData[U32COUNT];
ChecksumType fType;
public:
ComputeChecksumBench(ChecksumType type) : 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 kMurmur3_ChecksumType: return "compute_murmur3";
default: SK_CRASH(); return "";
}
}
virtual void onDraw(SkCanvas*) {
switch (fType) {
case kChecksum_ChecksumType: {
for (int i = 0; i < this->getLoops(); i++) {
volatile uint32_t result = SkChecksum::Compute(fData, sizeof(fData));
sk_ignore_unused_variable(result);
}
} break;
case kMD5_ChecksumType: {
for (int i = 0; i < this->getLoops(); 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 < this->getLoops(); i++) {
SkSHA1 sha1;
sha1.update(reinterpret_cast<uint8_t*>(fData), sizeof(fData));
SkSHA1::Digest digest;
sha1.finish(digest);
}
} break;
case kMurmur3_ChecksumType: {
for (int i = 0; i < this->getLoops(); i++) {
volatile uint32_t result = SkChecksum::Murmur3(fData, sizeof(fData));
sk_ignore_unused_variable(result);
}
}break;
}
}
private:
typedef SkBenchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new ComputeChecksumBench(kChecksum_ChecksumType); )
DEF_BENCH( return new ComputeChecksumBench(kMD5_ChecksumType); )
DEF_BENCH( return new ComputeChecksumBench(kSHA1_ChecksumType); )
DEF_BENCH( return new ComputeChecksumBench(kMurmur3_ChecksumType); )