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author | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-07-19 18:54:04 +0000 |
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committer | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-07-19 18:54:04 +0000 |
commit | 6645cde43d7dbf0df76dbda2c089d8f58560e3e2 (patch) | |
tree | 1664f8f52c69f9a7ef75e4d94cfa716f67554c7a /tools/bbh_shootout.cpp | |
parent | fc70a4ae593aec6bbaeb1b6573627328b2ef2ad0 (diff) |
Fix build problem with reverted issue 16948011
BUG=
R=caryclark@google.com
Author: sglez@google.com
Review URL: https://chromiumcodereview.appspot.com/19541009
git-svn-id: http://skia.googlecode.com/svn/trunk@10201 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'tools/bbh_shootout.cpp')
-rw-r--r-- | tools/bbh_shootout.cpp | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/tools/bbh_shootout.cpp b/tools/bbh_shootout.cpp new file mode 100644 index 0000000000..b0ef8528ad --- /dev/null +++ b/tools/bbh_shootout.cpp @@ -0,0 +1,385 @@ +/* + * Copyright 2013 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "BenchTimer.h" +#include "LazyDecodeBitmap.h" +#include "PictureBenchmark.h" +#include "PictureRenderer.h" +#include "SkBenchmark.h" +#include "SkForceLinking.h" +#include "SkGraphics.h" +#include "SkStream.h" +#include "SkString.h" +#include "TimerData.h" + +static const int kNumNormalRecordings = SkBENCHLOOP(10); +static const int kNumRTreeRecordings = SkBENCHLOOP(10); +static const int kNumPlaybacks = SkBENCHLOOP(4); +static const size_t kNumBaseBenchmarks = 3; +static const size_t kNumTileSizes = 3; +static const size_t kNumBbhPlaybackBenchmarks = 3; +static const size_t kNumBenchmarks = kNumBaseBenchmarks + kNumBbhPlaybackBenchmarks; + +enum BenchmarkType { + kNormal_BenchmarkType = 0, + kRTree_BenchmarkType, +}; + +struct Histogram { + Histogram() { + // Make fCpuTime negative so that we don't mess with stats: + fCpuTime = SkIntToScalar(-1); + } + SkScalar fCpuTime; + SkString fPath; +}; + +typedef void (*BenchmarkFunction) + (BenchmarkType, const SkISize&, const SkString&, SkPicture*, BenchTimer*); + +// Defined below. +static void benchmark_playback( + BenchmarkType, const SkISize&, const SkString&, SkPicture*, BenchTimer*); +static void benchmark_recording( + BenchmarkType, const SkISize&, const SkString&, SkPicture*, BenchTimer*); + +/** + * Acts as a POD containing information needed to run a benchmark. + * Provides static methods to poll benchmark info from an index. + */ +struct BenchmarkControl { + SkISize fTileSize; + BenchmarkType fType; + BenchmarkFunction fFunction; + SkString fName; + + /** + * Will construct a BenchmarkControl instance from an index between 0 an kNumBenchmarks. + */ + static BenchmarkControl Make(size_t i) { + SkASSERT(kNumBenchmarks > i); + BenchmarkControl benchControl; + benchControl.fTileSize = getTileSize(i); + benchControl.fType = getBenchmarkType(i); + benchControl.fFunction = getBenchmarkFunc(i); + benchControl.fName = getBenchmarkName(i); + return benchControl; + } + + enum BaseBenchmarks { + kNormalRecord = 0, + kRTreeRecord, + kNormalPlayback, + }; + + static SkISize fTileSizes[kNumTileSizes]; + + static SkISize getTileSize(size_t i) { + // Two of the base benchmarks don't need a tile size. But to maintain simplicity + // down the pipeline we have to let a couple of values unused. + if (i < kNumBaseBenchmarks) { + return SkISize::Make(256, 256); + } + if (i >= kNumBaseBenchmarks && i < kNumBenchmarks) { + return fTileSizes[i - kNumBaseBenchmarks]; + } + SkASSERT(0); + return SkISize::Make(0, 0); + } + + static BenchmarkType getBenchmarkType(size_t i) { + if (i < kNumBaseBenchmarks) { + switch (i) { + case kNormalRecord: + return kNormal_BenchmarkType; + case kNormalPlayback: + return kNormal_BenchmarkType; + case kRTreeRecord: + return kRTree_BenchmarkType; + } + } + if (i < kNumBenchmarks) { + return kRTree_BenchmarkType; + } + SkASSERT(0); + return kRTree_BenchmarkType; + } + + static BenchmarkFunction getBenchmarkFunc(size_t i) { + // Base functions. + switch (i) { + case kNormalRecord: + return benchmark_recording; + case kNormalPlayback: + return benchmark_playback; + case kRTreeRecord: + return benchmark_recording; + } + // RTree playbacks + if (i < kNumBenchmarks) { + return benchmark_playback; + } + SkASSERT(0); + return NULL; + } + + static SkString getBenchmarkName(size_t i) { + // Base benchmark names + switch (i) { + case kNormalRecord: + return SkString("normal_recording"); + case kNormalPlayback: + return SkString("normal_playback"); + case kRTreeRecord: + return SkString("rtree_recording"); + } + // RTree benchmark names. + if (i < kNumBenchmarks) { + SkASSERT(i >= kNumBaseBenchmarks); + SkString name; + name.printf("rtree_playback_%dx%d", + fTileSizes[i - kNumBaseBenchmarks].fWidth, + fTileSizes[i - kNumBaseBenchmarks].fHeight); + return name; + + } else { + SkASSERT(0); + } + return SkString(""); + } + +}; + +SkISize BenchmarkControl::fTileSizes[kNumTileSizes] = { + SkISize::Make(256, 256), + SkISize::Make(512, 512), + SkISize::Make(1024, 1024), +}; + +static SkPicture* pic_from_path(const char path[]) { + SkFILEStream stream(path); + if (!stream.isValid()) { + SkDebugf("-- Can't open '%s'\n", path); + return NULL; + } + return SkPicture::CreateFromStream(&stream, &sk_tools::LazyDecodeBitmap); +} + +/** + * This function is the sink to which all work ends up going. + * Renders the picture into the renderer. It may or may not use an RTree. + * The renderer is chosen upstream. If we want to measure recording, we will + * use a RecordPictureRenderer. If we want to measure rendering, we eill use a + * TiledPictureRenderer. + */ +static void do_benchmark_work(sk_tools::PictureRenderer* renderer, + int benchmarkType, const SkString& path, SkPicture* pic, + const int numRepeats, const char *msg, BenchTimer* timer) { + SkString msgPrefix; + + switch (benchmarkType){ + case kNormal_BenchmarkType: + msgPrefix.set("Normal"); + renderer->setBBoxHierarchyType(sk_tools::PictureRenderer::kNone_BBoxHierarchyType); + break; + case kRTree_BenchmarkType: + msgPrefix.set("RTree"); + renderer->setBBoxHierarchyType(sk_tools::PictureRenderer::kRTree_BBoxHierarchyType); + break; + default: + SkASSERT(0); + break; + } + + renderer->init(pic); + + /** + * If the renderer is not tiled, assume we are measuring recording. + */ + bool isPlayback = (NULL != renderer->getTiledRenderer()); + + SkDebugf("%s %s %s %d times...\n", msgPrefix.c_str(), msg, path.c_str(), numRepeats); + for (int i = 0; i < numRepeats; ++i) { + renderer->setup(); + // Render once to fill caches. + renderer->render(NULL); + // Render again to measure + timer->start(); + bool result = renderer->render(NULL); + timer->end(); + // We only care about a false result on playback. RecordPictureRenderer::render will always + // return false because we are passing a NULL file name on purpose; which is fine. + if(isPlayback && !result) { + SkDebugf("Error rendering during playback.\n"); + } + } + renderer->end(); +} + +/** + * Call do_benchmark_work with a tiled renderer using the default tile dimensions. + */ +static void benchmark_playback( + BenchmarkType benchmarkType, const SkISize& tileSize, + const SkString& path, SkPicture* pic, BenchTimer* timer) { + sk_tools::TiledPictureRenderer renderer; + + SkString message("tiled_playback"); + message.appendf("_%dx%d", tileSize.fWidth, tileSize.fHeight); + do_benchmark_work(&renderer, benchmarkType, + path, pic, kNumPlaybacks, message.c_str(), timer); +} + +/** + * Call do_benchmark_work with a RecordPictureRenderer. + */ +static void benchmark_recording( + BenchmarkType benchmarkType, const SkISize& tileSize, + const SkString& path, SkPicture* pic, BenchTimer* timer) { + sk_tools::RecordPictureRenderer renderer; + int numRecordings = 0; + switch(benchmarkType) { + case kRTree_BenchmarkType: + numRecordings = kNumRTreeRecordings; + break; + case kNormal_BenchmarkType: + numRecordings = kNumNormalRecordings; + break; + } + do_benchmark_work(&renderer, benchmarkType, path, pic, numRecordings, "recording", timer); +} + +/** + * Takes argc,argv along with one of the benchmark functions defined above. + * Will loop along all skp files and perform measurments. + * + * Returns a SkScalar representing CPU time taken during benchmark. + * As a side effect, it spits the timer result to stdout. + * Will return -1.0 on error. + */ +static bool benchmark_loop( + int argc, + char **argv, + const BenchmarkControl& benchControl, + SkTArray<Histogram>& histogram) { + + static const SkString timeFormat("%f"); + TimerData timerData(timeFormat, timeFormat); + for (int index = 1; index < argc; ++index) { + BenchTimer timer; + SkString path(argv[index]); + SkAutoTUnref<SkPicture> pic(pic_from_path(path.c_str())); + if (NULL == pic) { + SkDebugf("Couldn't create picture. Ignoring path: %s\n", path.c_str()); + continue; + } + benchControl.fFunction(benchControl.fType, benchControl.fTileSize, path, pic, &timer); + timerData.appendTimes(&timer, argc - 1 == index); + + histogram[index - 1].fPath = path; + histogram[index - 1].fCpuTime = SkDoubleToScalar(timer.fCpu); + } + + const SkString timerResult = timerData.getResult( + /*logPerIter = */ false, + /*printMin = */ false, + /*repeatDraw = */ 1, + /*configName = */ benchControl.fName.c_str(), + /*showWallTime = */ false, + /*showTruncatedWallTime = */ false, + /*showCpuTime = */ true, + /*showTruncatedCpuTime = */ false, + /*showGpuTime = */ false); + + const char findStr[] = "= "; + int pos = timerResult.find(findStr); + if (-1 == pos) { + SkDebugf("Unexpected output from TimerData::getResult(...). Unable to parse."); + return false; + } + + SkScalar cpuTime = SkDoubleToScalar(atof(timerResult.c_str() + pos + sizeof(findStr) - 1)); + if (cpuTime == 0) { // atof returns 0.0 on error. + SkDebugf("Unable to read value from timer result.\n"); + return false; + } + return true; +} + +static int tool_main(int argc, char** argv) { + SkAutoGraphics ag; + SkString usage; + usage.printf("Usage: filename [filename]*\n"); + + if (argc < 2) { + SkDebugf("%s\n", usage.c_str()); + return -1; + } + + static SkTArray<Histogram> histograms[kNumBenchmarks]; + + for (size_t i = 0; i < kNumBenchmarks; ++i) { + histograms[i].reset(argc - 1); + bool success = benchmark_loop( + argc, argv, + BenchmarkControl::Make(i), + histograms[i]); + if (!success) { + SkDebugf("benchmark_loop failed at index %d", i); + } + } + + // Output gnuplot readable histogram data.. + const char* pbTitle = "bbh_shootout_playback.dat"; + const char* recTitle = "bbh_shootout_record.dat"; + SkFILEWStream playbackOut(pbTitle); + SkFILEWStream recordOut(recTitle); + recordOut.writeText("# "); + playbackOut.writeText("# "); + for (size_t i = 0; i < kNumBenchmarks; ++i) { + SkString out; + out.printf("%s ", BenchmarkControl::getBenchmarkName(i).c_str()); + if (BenchmarkControl::getBenchmarkFunc(i) == &benchmark_recording) { + recordOut.writeText(out.c_str()); + } + if (BenchmarkControl::getBenchmarkFunc(i) == &benchmark_playback) { + playbackOut.writeText(out.c_str()); + } + } + recordOut.writeText("\n"); + playbackOut.writeText("\n"); + + for (int i = 0; i < argc - 1; ++i) { + SkString pbLine; + SkString recLine; + // ==== Write record info + recLine.printf("%d ", i); + recLine.appendf("%f ", histograms[0][i].fCpuTime); // Append normal_record time + recLine.appendf("%f", histograms[1][i].fCpuTime); // Append rtree_record time + + // ==== Write playback info + pbLine.printf("%d ", i); + pbLine.appendf("%f ", histograms[2][i].fCpuTime); // Start with normal playback time. + // Append all playback benchmark times. + for (size_t j = kNumBbhPlaybackBenchmarks; j < kNumBenchmarks; ++j) { + pbLine.appendf("%f ", histograms[j][i].fCpuTime); + } + pbLine.remove(pbLine.size() - 1, 1); // Remove trailing space from line. + pbLine.appendf("\n"); + recLine.appendf("\n"); + playbackOut.writeText(pbLine.c_str()); + recordOut.writeText(recLine.c_str()); + } + SkDebugf("\nWrote data to gnuplot-readable files: %s %s\n", pbTitle, recTitle); + + return 0; +} + +int main(int argc, char** argv) { + return tool_main(argc, argv); +} + |