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- /*
- * 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 == kNonRendering_Backend; }
- void onDraw(int loops, SkCanvas*) override {
- // Nothing terribly useful: force a memory read, a memory write, and some math.
- volatile uint32_t rand = 0;
- for (int i = 0; i < 1000*loops; i++) {
- rand *= 1664525;
- rand += 1013904223;
- }
- }
- };
- DEF_BENCH(return new ControlBench;)
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