a858223408
Defaults of out/Release/bench_record are still fine; NULL's not too far off from stable at 900 loops. But for focus on NULL, I'd recommend something like out/Release/bench_record --loops 100000 --skps. Also: fail on failures, print 2 significant digits instead of fixed 4.2. BUG=skia:1850 R=tomhudson@chromium.org Author: mtklein@google.com Review URL: https://codereview.chromium.org/136873002 git-svn-id: http://skia.googlecode.com/svn/trunk@13054 2bbb7eff-a529-9590-31e7-b0007b416f81
82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkCommandLineFlags.h"
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#include "SkForceLinking.h"
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#include "SkGraphics.h"
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#include "SkOSFile.h"
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#include "SkPicture.h"
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#include "SkStream.h"
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#include "SkString.h"
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#include "SkTime.h"
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__SK_FORCE_IMAGE_DECODER_LINKING;
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// Just reading all the SKPs takes about 2 seconds for me, which is the same as about 100 loops of
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// rerecording all the SKPs. So we default to --loops=900, which makes ~90% of our time spent in
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// recording, and this should take ~20 seconds to run.
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DEFINE_string2(skps, r, "skps", "Directory containing SKPs to read and re-record.");
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DEFINE_int32(loops, 900, "Number of times to re-record each SKP.");
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DEFINE_int32(flags, SkPicture::kUsePathBoundsForClip_RecordingFlag, "RecordingFlags to use.");
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DEFINE_bool(endRecording, true, "If false, don't time SkPicture::endRecording()");
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DEFINE_int32(nullSize, 1000, "Pretend dimension of null source picture.");
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static void bench_record(SkPicture* src, const char* name) {
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const SkMSec start = SkTime::GetMSecs();
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const int width = src ? src->width() : FLAGS_nullSize;
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const int height = src ? src->height() : FLAGS_nullSize;
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for (int i = 0; i < FLAGS_loops; i++) {
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SkPicture dst;
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SkCanvas* canvas = dst.beginRecording(width, height, FLAGS_flags);
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if (src) src->draw(canvas);
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if (FLAGS_endRecording) dst.endRecording();
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}
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const SkMSec elapsed = SkTime::GetMSecs() - start;
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const double msPerLoop = elapsed / (double)FLAGS_loops;
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printf("%.2g\t%s\n", msPerLoop, name);
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}
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int tool_main(int argc, char** argv);
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int tool_main(int argc, char** argv) {
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SkCommandLineFlags::Parse(argc, argv);
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SkAutoGraphics autoGraphics;
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bench_record(NULL, "NULL");
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if (FLAGS_skps.isEmpty()) return 0;
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SkOSFile::Iter it(FLAGS_skps[0], ".skp");
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SkString filename;
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bool failed = false;
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while (it.next(&filename)) {
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const SkString path = SkOSPath::SkPathJoin(FLAGS_skps[0], filename.c_str());
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SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path.c_str()));
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if (!stream) {
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SkDebugf("Could not read %s.\n", path.c_str());
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failed = true;
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continue;
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}
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SkAutoTUnref<SkPicture> src(SkPicture::CreateFromStream(stream));
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if (!src) {
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SkDebugf("Could not read %s as an SkPicture.\n", path.c_str());
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failed = true;
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continue;
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}
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bench_record(src, filename.c_str());
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}
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return failed ? 1 : 0;
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}
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#if !defined SK_BUILD_FOR_IOS
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int main(int argc, char * const argv[]) {
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return tool_main(argc, (char**) argv);
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}
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#endif
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