From dd3948899725041bf52e3a4eea922f9961ee0a9b Mon Sep 17 00:00:00 2001 From: "scroggo@google.com" Date: Tue, 24 Jul 2012 20:47:55 +0000 Subject: Avoid a loop in writeString and writePad by zeroing padding first. Also add a benchmark to time the new improved writeString. Before my change the bench took ~1.23ms and afterwards it takes ~.95ms. Add some testing to ensure that writePad works properly. TEST=Writer32Test, WriterBench Review URL: https://codereview.appspot.com/6438045 git-svn-id: http://skia.googlecode.com/svn/trunk@4742 2bbb7eff-a529-9590-31e7-b0007b416f81 --- bench/WriterBench.cpp | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 bench/WriterBench.cpp (limited to 'bench/WriterBench.cpp') diff --git a/bench/WriterBench.cpp b/bench/WriterBench.cpp new file mode 100644 index 0000000000..2de653c374 --- /dev/null +++ b/bench/WriterBench.cpp @@ -0,0 +1,40 @@ + +/* + * Copyright 2012 The Android Open Source Project + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "SkBenchmark.h" +#include "SkCanvas.h" +#include "SkWriter32.h" + +class WriterBench : public SkBenchmark { +public: + WriterBench(void* param) : INHERITED(param) {} + +protected: + virtual const char* onGetName() SK_OVERRIDE { + return "writer"; + } + + virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { + static const char gStr[] = "abcdefghimjklmnopqrstuvwxyz"; + static const size_t gLen = strlen(gStr); + SkWriter32 writer(256 * 4); + for (int i = 0; i < SkBENCHLOOP(800); i++) { + for (size_t j = 0; j <= gLen; j++) { + writer.writeString(gStr, j); + } + } + } + +private: + typedef SkBenchmark INHERITED; +}; + +//////////////////////////////////////////////////////////////////////////////// + +static SkBenchmark* fact(void* p) { return new WriterBench(p); } +static BenchRegistry gReg(fact); -- cgit v1.2.3