From 410e9dc9aa3a79a19e708cad2f254a9e64891c80 Mon Sep 17 00:00:00 2001 From: "tomhudson@google.com" Date: Mon, 14 Nov 2011 17:30:08 +0000 Subject: New SkMutex benchmark - used when we suspected mutex performance issues; committed not because they're a bottleneck now but because we might do something with them in the future & it's quite lightweight. git-svn-id: http://skia.googlecode.com/svn/trunk@2675 2bbb7eff-a529-9590-31e7-b0007b416f81 --- bench/MutexBench.cpp | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 bench/MutexBench.cpp (limited to 'bench/MutexBench.cpp') diff --git a/bench/MutexBench.cpp b/bench/MutexBench.cpp new file mode 100644 index 0000000000..d9b427b444 --- /dev/null +++ b/bench/MutexBench.cpp @@ -0,0 +1,43 @@ +/* + * Copyright 2011 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ +#include "SkBenchmark.h" +#include "SkThread.h" + +class MutexBench : public SkBenchmark { + enum { + N = SkBENCHLOOP(80), + M = SkBENCHLOOP(200) + }; +public: + MutexBench(void* param) : INHERITED(param) { + + } +protected: + virtual const char* onGetName() { + return "mutex"; + } + + virtual void onDraw(SkCanvas* canvas) { + for (int i = 0; i < N; i++) { + SkMutex mu; + for (int j = 0; j < M; j++) { + mu.acquire(); + mu.release(); + } + } + } + +private: + typedef SkBenchmark INHERITED; +}; + +/////////////////////////////////////////////////////////////////////////////// + +static SkBenchmark* Fact(void* p) { return new MutexBench(p); } + +static BenchRegistry gReg01(Fact); + -- cgit v1.2.3