blob: 20713b97dd6af495e495a6e4cbf62241e177521c [file] [log] [blame]
/*
* Copyright 2015 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"
// This benchmark's runtime should be fairly constant for a given machine,
// so it can be used as a baseline to control for thermal or other throttling.
struct ControlBench : public Benchmark {
const char* onGetName() override { return "control"; }
bool isSuitableFor(Backend backend) override { return backend == Backend::kNonRendering; }
void onDraw(int loops, SkCanvas*) override {
// Nothing terribly useful: force a memory read, a memory write, and some math.
[[maybe_unused]] volatile uint32_t rand = 0;
for (int i = 0; i < 1000*loops; i++) {
rand *= 1664525;
rand += 1013904223;
}
}
};
DEF_BENCH(return new ControlBench;)