skia2/bench/ChecksumBench.cpp
Brian Salomon 74c19de3be Add SkUNREACHABLE to definition of SK_ABORT.
Remove return statements immediately following SK_ABORTs.

Change-Id: I6446b6ba3a6fb272d84ea27f38cf366095cf801d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/233565
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2019-08-09 20:43:39 +00:00

77 lines
2.0 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 "bench/Benchmark.h"
#include "include/core/SkCanvas.h"
#include "include/private/SkChecksum.h"
#include "include/private/SkTemplates.h"
#include "include/utils/SkRandom.h"
#include "src/core/SkMD5.h"
#include "src/core/SkOpts.h"
enum ChecksumType {
kMD5_ChecksumType,
kHash_ChecksumType,
};
class ComputeChecksumBench : public Benchmark {
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();
}
}
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override {
switch (fType) {
case kMD5_ChecksumType: return "compute_md5";
case kHash_ChecksumType: return "compute_hash";
default: SK_ABORT("Invalid Type");
}
}
void onDraw(int loops, SkCanvas*) override {
switch (fType) {
case kMD5_ChecksumType: {
for (int i = 0; i < loops; i++) {
SkMD5 md5;
md5.write(fData, sizeof(fData));
(void)md5.finish();
}
} break;
case kHash_ChecksumType: {
for (int i = 0; i < loops; i++) {
volatile uint32_t result = SkOpts::hash(fData, sizeof(fData));
sk_ignore_unused_variable(result);
}
}break;
}
}
private:
typedef Benchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new ComputeChecksumBench(kMD5_ChecksumType); )
DEF_BENCH( return new ComputeChecksumBench(kHash_ChecksumType); )