blob: 0b7683a64326e9141a36cd038ff801c1a03561b5 [file] [log] [blame] [edit]
/*
* 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++) {
uint32_t val = rand * 1664525 + 1013904223;
rand = val;
}
}
};
DEF_BENCH(return new ControlBench;)