| /* |
| * 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. |
| [[maybe_unused]] volatile uint32_t rand = 0; |
| for (int i = 0; i < 1000*loops; i++) { |
| rand *= 1664525; |
| rand += 1013904223; |
| } |
| } |
| }; |
| DEF_BENCH(return new ControlBench;) |