| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include <ctype.h> |
| |
| #include "Benchmark.h" |
| #include "CrashHandler.h" |
| #include "GMBench.h" |
| #include "ProcStats.h" |
| #include "ResultsWriter.h" |
| #include "RecordingBench.h" |
| #include "SKPBench.h" |
| #include "Stats.h" |
| #include "Timer.h" |
| |
| #include "SkBBHFactory.h" |
| #include "SkCanvas.h" |
| #include "SkCommonFlags.h" |
| #include "SkForceLinking.h" |
| #include "SkGraphics.h" |
| #include "SkOSFile.h" |
| #include "SkPictureRecorder.h" |
| #include "SkString.h" |
| #include "SkSurface.h" |
| |
| #if SK_SUPPORT_GPU |
| #include "gl/GrGLDefines.h" |
| #include "GrContextFactory.h" |
| SkAutoTDelete<GrContextFactory> gGrFactory; |
| #endif |
| |
| __SK_FORCE_IMAGE_DECODER_LINKING; |
| |
| static const int kAutoTuneLoops = -1; |
| |
| static const int kDefaultLoops = |
| #ifdef SK_DEBUG |
| 1; |
| #else |
| kAutoTuneLoops; |
| #endif |
| |
| static SkString loops_help_txt() { |
| SkString help; |
| help.printf("Number of times to run each bench. Set this to %d to auto-" |
| "tune for each bench. Timings are only reported when auto-tuning.", |
| kAutoTuneLoops); |
| return help; |
| } |
| |
| DEFINE_int32(loops, kDefaultLoops, loops_help_txt().c_str()); |
| |
| DEFINE_int32(samples, 10, "Number of samples to measure for each bench."); |
| DEFINE_int32(overheadLoops, 100000, "Loops to estimate timer overhead."); |
| DEFINE_double(overheadGoal, 0.0001, |
| "Loop until timer overhead is at most this fraction of our measurments."); |
| DEFINE_double(gpuMs, 5, "Target bench time in millseconds for GPU."); |
| DEFINE_int32(gpuFrameLag, 5, "Overestimate of maximum number of frames GPU allows to lag."); |
| DEFINE_bool(gpuCompressAlphaMasks, false, "Compress masks generated from falling back to " |
| "software path rendering."); |
| |
| DEFINE_string(outResultsFile, "", "If given, write results here as JSON."); |
| DEFINE_int32(maxCalibrationAttempts, 3, |
| "Try up to this many times to guess loops for a bench, or skip the bench."); |
| DEFINE_int32(maxLoops, 1000000, "Never run a bench more times than this."); |
| DEFINE_string(clip, "0,0,1000,1000", "Clip for SKPs."); |
| DEFINE_string(scales, "1.0", "Space-separated scales for SKPs."); |
| DEFINE_bool(bbh, true, "Build a BBH for SKPs?"); |
| |
| static SkString humanize(double ms) { |
| if (FLAGS_verbose) return SkStringPrintf("%llu", (uint64_t)(ms*1e6)); |
| if (ms > 1e+3) return SkStringPrintf("%.3gs", ms/1e3); |
| if (ms < 1e-3) return SkStringPrintf("%.3gns", ms*1e6); |
| #ifdef SK_BUILD_FOR_WIN |
| if (ms < 1) return SkStringPrintf("%.3gus", ms*1e3); |
| #else |
| if (ms < 1) return SkStringPrintf("%.3gµs", ms*1e3); |
| #endif |
| return SkStringPrintf("%.3gms", ms); |
| } |
| #define HUMANIZE(ms) humanize(ms).c_str() |
| |
| static double time(int loops, Benchmark* bench, SkCanvas* canvas, SkGLContextHelper* gl) { |
| if (canvas) { |
| canvas->clear(SK_ColorWHITE); |
| } |
| WallTimer timer; |
| timer.start(); |
| if (bench) { |
| bench->draw(loops, canvas); |
| } |
| if (canvas) { |
| canvas->flush(); |
| } |
| #if SK_SUPPORT_GPU |
| if (gl) { |
| SK_GL(*gl, Flush()); |
| gl->swapBuffers(); |
| } |
| #endif |
| timer.end(); |
| return timer.fWall; |
| } |
| |
| static double estimate_timer_overhead() { |
| double overhead = 0; |
| for (int i = 0; i < FLAGS_overheadLoops; i++) { |
| overhead += time(1, NULL, NULL, NULL); |
| } |
| return overhead / FLAGS_overheadLoops; |
| } |
| |
| static int clamp_loops(int loops) { |
| if (loops < 1) { |
| SkDebugf("ERROR: clamping loops from %d to 1.\n", loops); |
| return 1; |
| } |
| if (loops > FLAGS_maxLoops) { |
| SkDebugf("WARNING: clamping loops from %d to FLAGS_maxLoops, %d.\n", loops, FLAGS_maxLoops); |
| return FLAGS_maxLoops; |
| } |
| return loops; |
| } |
| |
| static bool write_canvas_png(SkCanvas* canvas, const SkString& filename) { |
| if (filename.isEmpty()) { |
| return false; |
| } |
| if (kUnknown_SkColorType == canvas->imageInfo().colorType()) { |
| return false; |
| } |
| SkBitmap bmp; |
| bmp.setInfo(canvas->imageInfo()); |
| if (!canvas->readPixels(&bmp, 0, 0)) { |
| SkDebugf("Can't read canvas pixels.\n"); |
| return false; |
| } |
| SkString dir = SkOSPath::Dirname(filename.c_str()); |
| if (!sk_mkdir(dir.c_str())) { |
| SkDebugf("Can't make dir %s.\n", dir.c_str()); |
| return false; |
| } |
| SkFILEWStream stream(filename.c_str()); |
| if (!stream.isValid()) { |
| SkDebugf("Can't write %s.\n", filename.c_str()); |
| return false; |
| } |
| if (!SkImageEncoder::EncodeStream(&stream, bmp, SkImageEncoder::kPNG_Type, 100)) { |
| SkDebugf("Can't encode a PNG.\n"); |
| return false; |
| } |
| return true; |
| } |
| |
| static int kFailedLoops = -2; |
| static int cpu_bench(const double overhead, Benchmark* bench, SkCanvas* canvas, double* samples) { |
| // First figure out approximately how many loops of bench it takes to make overhead negligible. |
| double bench_plus_overhead = 0.0; |
| int round = 0; |
| if (kAutoTuneLoops == FLAGS_loops) { |
| while (bench_plus_overhead < overhead) { |
| if (round++ == FLAGS_maxCalibrationAttempts) { |
| SkDebugf("WARNING: Can't estimate loops for %s (%s vs. %s); skipping.\n", |
| bench->getUniqueName(), HUMANIZE(bench_plus_overhead), HUMANIZE(overhead)); |
| return kFailedLoops; |
| } |
| bench_plus_overhead = time(1, bench, canvas, NULL); |
| } |
| } |
| |
| // Later we'll just start and stop the timer once but loop N times. |
| // We'll pick N to make timer overhead negligible: |
| // |
| // overhead |
| // ------------------------- < FLAGS_overheadGoal |
| // overhead + N * Bench Time |
| // |
| // where bench_plus_overhead ≈ overhead + Bench Time. |
| // |
| // Doing some math, we get: |
| // |
| // (overhead / FLAGS_overheadGoal) - overhead |
| // ------------------------------------------ < N |
| // bench_plus_overhead - overhead) |
| // |
| // Luckily, this also works well in practice. :) |
| int loops = FLAGS_loops; |
| if (kAutoTuneLoops == loops) { |
| const double numer = overhead / FLAGS_overheadGoal - overhead; |
| const double denom = bench_plus_overhead - overhead; |
| loops = (int)ceil(numer / denom); |
| } |
| loops = clamp_loops(loops); |
| |
| for (int i = 0; i < FLAGS_samples; i++) { |
| samples[i] = time(loops, bench, canvas, NULL) / loops; |
| } |
| return loops; |
| } |
| |
| #if SK_SUPPORT_GPU |
| static int gpu_bench(SkGLContextHelper* gl, |
| Benchmark* bench, |
| SkCanvas* canvas, |
| double* samples) { |
| gl->makeCurrent(); |
| // Make sure we're done with whatever came before. |
| SK_GL(*gl, Finish()); |
| |
| // First, figure out how many loops it'll take to get a frame up to FLAGS_gpuMs. |
| int loops = FLAGS_loops; |
| if (kAutoTuneLoops == loops) { |
| loops = 1; |
| double elapsed = 0; |
| do { |
| loops *= 2; |
| // If the GPU lets frames lag at all, we need to make sure we're timing |
| // _this_ round, not still timing last round. We force this by looping |
| // more times than any reasonable GPU will allow frames to lag. |
| for (int i = 0; i < FLAGS_gpuFrameLag; i++) { |
| elapsed = time(loops, bench, canvas, gl); |
| } |
| } while (elapsed < FLAGS_gpuMs); |
| |
| // We've overshot at least a little. Scale back linearly. |
| loops = (int)ceil(loops * FLAGS_gpuMs / elapsed); |
| |
| // Might as well make sure we're not still timing our calibration. |
| SK_GL(*gl, Finish()); |
| } |
| loops = clamp_loops(loops); |
| |
| // Pretty much the same deal as the calibration: do some warmup to make |
| // sure we're timing steady-state pipelined frames. |
| for (int i = 0; i < FLAGS_gpuFrameLag; i++) { |
| time(loops, bench, canvas, gl); |
| } |
| |
| // Now, actually do the timing! |
| for (int i = 0; i < FLAGS_samples; i++) { |
| samples[i] = time(loops, bench, canvas, gl) / loops; |
| } |
| return loops; |
| } |
| #endif |
| |
| static SkString to_lower(const char* str) { |
| SkString lower(str); |
| for (size_t i = 0; i < lower.size(); i++) { |
| lower[i] = tolower(lower[i]); |
| } |
| return lower; |
| } |
| |
| struct Config { |
| const char* name; |
| Benchmark::Backend backend; |
| SkColorType color; |
| SkAlphaType alpha; |
| int samples; |
| #if SK_SUPPORT_GPU |
| GrContextFactory::GLContextType ctxType; |
| #else |
| int bogusInt; |
| #endif |
| }; |
| |
| struct Target { |
| explicit Target(const Config& c) : config(c) {} |
| const Config config; |
| SkAutoTDelete<SkSurface> surface; |
| #if SK_SUPPORT_GPU |
| SkGLContextHelper* gl; |
| #endif |
| }; |
| |
| static bool is_cpu_config_allowed(const char* name) { |
| for (int i = 0; i < FLAGS_config.count(); i++) { |
| if (to_lower(FLAGS_config[i]).equals(name)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| #if SK_SUPPORT_GPU |
| static bool is_gpu_config_allowed(const char* name, GrContextFactory::GLContextType ctxType, |
| int sampleCnt) { |
| if (!is_cpu_config_allowed(name)) { |
| return false; |
| } |
| if (const GrContext* ctx = gGrFactory->get(ctxType)) { |
| return sampleCnt <= ctx->getMaxSampleCount(); |
| } |
| return false; |
| } |
| #endif |
| |
| #if SK_SUPPORT_GPU |
| #define kBogusGLContextType GrContextFactory::kNative_GLContextType |
| #else |
| #define kBogusGLContextType 0 |
| #endif |
| |
| // Append all configs that are enabled and supported. |
| static void create_configs(SkTDArray<Config>* configs) { |
| #define CPU_CONFIG(name, backend, color, alpha) \ |
| if (is_cpu_config_allowed(#name)) { \ |
| Config config = { #name, Benchmark::backend, color, alpha, 0, kBogusGLContextType }; \ |
| configs->push(config); \ |
| } |
| |
| if (FLAGS_cpu) { |
| CPU_CONFIG(nonrendering, kNonRendering_Backend, kUnknown_SkColorType, kUnpremul_SkAlphaType) |
| CPU_CONFIG(8888, kRaster_Backend, kN32_SkColorType, kPremul_SkAlphaType) |
| CPU_CONFIG(565, kRaster_Backend, kRGB_565_SkColorType, kOpaque_SkAlphaType) |
| } |
| |
| #if SK_SUPPORT_GPU |
| #define GPU_CONFIG(name, ctxType, samples) \ |
| if (is_gpu_config_allowed(#name, GrContextFactory::ctxType, samples)) { \ |
| Config config = { \ |
| #name, \ |
| Benchmark::kGPU_Backend, \ |
| kN32_SkColorType, \ |
| kPremul_SkAlphaType, \ |
| samples, \ |
| GrContextFactory::ctxType }; \ |
| configs->push(config); \ |
| } |
| |
| if (FLAGS_gpu) { |
| GPU_CONFIG(gpu, kNative_GLContextType, 0) |
| GPU_CONFIG(msaa4, kNative_GLContextType, 4) |
| GPU_CONFIG(msaa16, kNative_GLContextType, 16) |
| GPU_CONFIG(nvprmsaa4, kNVPR_GLContextType, 4) |
| GPU_CONFIG(nvprmsaa16, kNVPR_GLContextType, 16) |
| GPU_CONFIG(debug, kDebug_GLContextType, 0) |
| GPU_CONFIG(nullgpu, kNull_GLContextType, 0) |
| #ifdef SK_ANGLE |
| GPU_CONFIG(angle, kANGLE_GLContextType, 0) |
| #endif |
| } |
| #endif |
| } |
| |
| // If bench is enabled for config, returns a Target* for it, otherwise NULL. |
| static Target* is_enabled(Benchmark* bench, const Config& config) { |
| if (!bench->isSuitableFor(config.backend)) { |
| return NULL; |
| } |
| |
| SkImageInfo info = SkImageInfo::Make(bench->getSize().fX, bench->getSize().fY, |
| config.color, config.alpha); |
| |
| Target* target = new Target(config); |
| |
| if (Benchmark::kRaster_Backend == config.backend) { |
| target->surface.reset(SkSurface::NewRaster(info)); |
| } |
| #if SK_SUPPORT_GPU |
| else if (Benchmark::kGPU_Backend == config.backend) { |
| target->surface.reset(SkSurface::NewRenderTarget(gGrFactory->get(config.ctxType), info, |
| config.samples)); |
| target->gl = gGrFactory->getGLContext(config.ctxType); |
| } |
| #endif |
| |
| if (Benchmark::kNonRendering_Backend != config.backend && !target->surface.get()) { |
| delete target; |
| return NULL; |
| } |
| return target; |
| } |
| |
| // Creates targets for a benchmark and a set of configs. |
| static void create_targets(SkTDArray<Target*>* targets, Benchmark* b, |
| const SkTDArray<Config>& configs) { |
| for (int i = 0; i < configs.count(); ++i) { |
| if (Target* t = is_enabled(b, configs[i])) { |
| targets->push(t); |
| } |
| |
| } |
| } |
| |
| #if SK_SUPPORT_GPU |
| static void fill_gpu_options(ResultsWriter* log, SkGLContextHelper* ctx) { |
| const GrGLubyte* version; |
| SK_GL_RET(*ctx, version, GetString(GR_GL_VERSION)); |
| log->configOption("GL_VERSION", (const char*)(version)); |
| |
| SK_GL_RET(*ctx, version, GetString(GR_GL_RENDERER)); |
| log->configOption("GL_RENDERER", (const char*) version); |
| |
| SK_GL_RET(*ctx, version, GetString(GR_GL_VENDOR)); |
| log->configOption("GL_VENDOR", (const char*) version); |
| |
| SK_GL_RET(*ctx, version, GetString(GR_GL_SHADING_LANGUAGE_VERSION)); |
| log->configOption("GL_SHADING_LANGUAGE_VERSION", (const char*) version); |
| } |
| #endif |
| |
| class BenchmarkStream { |
| public: |
| BenchmarkStream() : fBenches(BenchRegistry::Head()) |
| , fGMs(skiagm::GMRegistry::Head()) |
| , fCurrentRecording(0) |
| , fCurrentScale(0) |
| , fCurrentSKP(0) { |
| for (int i = 0; i < FLAGS_skps.count(); i++) { |
| if (SkStrEndsWith(FLAGS_skps[i], ".skp")) { |
| fSKPs.push_back() = FLAGS_skps[i]; |
| } else { |
| SkOSFile::Iter it(FLAGS_skps[i], ".skp"); |
| SkString path; |
| while (it.next(&path)) { |
| fSKPs.push_back() = SkOSPath::Join(FLAGS_skps[0], path.c_str()); |
| } |
| } |
| } |
| |
| if (4 != sscanf(FLAGS_clip[0], "%d,%d,%d,%d", |
| &fClip.fLeft, &fClip.fTop, &fClip.fRight, &fClip.fBottom)) { |
| SkDebugf("Can't parse %s from --clip as an SkIRect.\n", FLAGS_clip[0]); |
| exit(1); |
| } |
| |
| for (int i = 0; i < FLAGS_scales.count(); i++) { |
| if (1 != sscanf(FLAGS_scales[i], "%f", &fScales.push_back())) { |
| SkDebugf("Can't parse %s from --scales as an SkScalar.\n", FLAGS_scales[i]); |
| exit(1); |
| } |
| } |
| } |
| |
| static bool ReadPicture(const char* path, SkAutoTUnref<SkPicture>* pic) { |
| // Not strictly necessary, as it will be checked again later, |
| // but helps to avoid a lot of pointless work if we're going to skip it. |
| if (SkCommandLineFlags::ShouldSkip(FLAGS_match, path)) { |
| return false; |
| } |
| |
| SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path)); |
| if (stream.get() == NULL) { |
| SkDebugf("Could not read %s.\n", path); |
| return false; |
| } |
| |
| pic->reset(SkPicture::CreateFromStream(stream.get())); |
| if (pic->get() == NULL) { |
| SkDebugf("Could not read %s as an SkPicture.\n", path); |
| return false; |
| } |
| return true; |
| } |
| |
| Benchmark* next() { |
| if (fBenches) { |
| Benchmark* bench = fBenches->factory()(NULL); |
| fBenches = fBenches->next(); |
| fSourceType = "bench"; |
| fBenchType = "micro"; |
| return bench; |
| } |
| |
| while (fGMs) { |
| SkAutoTDelete<skiagm::GM> gm(fGMs->factory()(NULL)); |
| fGMs = fGMs->next(); |
| if (gm->getFlags() & skiagm::GM::kAsBench_Flag) { |
| fSourceType = "gm"; |
| fBenchType = "micro"; |
| return SkNEW_ARGS(GMBench, (gm.detach())); |
| } |
| } |
| |
| // First add all .skps as RecordingBenches. |
| while (fCurrentRecording < fSKPs.count()) { |
| const SkString& path = fSKPs[fCurrentRecording++]; |
| SkAutoTUnref<SkPicture> pic; |
| if (!ReadPicture(path.c_str(), &pic)) { |
| continue; |
| } |
| SkString name = SkOSPath::Basename(path.c_str()); |
| fSourceType = "skp"; |
| fBenchType = "recording"; |
| return SkNEW_ARGS(RecordingBench, (name.c_str(), pic.get(), FLAGS_bbh)); |
| } |
| |
| // Then once each for each scale as SKPBenches (playback). |
| while (fCurrentScale < fScales.count()) { |
| while (fCurrentSKP < fSKPs.count()) { |
| const SkString& path = fSKPs[fCurrentSKP++]; |
| SkAutoTUnref<SkPicture> pic; |
| if (!ReadPicture(path.c_str(), &pic)) { |
| continue; |
| } |
| if (FLAGS_bbh) { |
| // The SKP we read off disk doesn't have a BBH. Re-record so it grows one. |
| // Here we use an SkTileGrid with parameters optimized for FLAGS_clip. |
| const SkTileGridFactory::TileGridInfo info = { |
| SkISize::Make(fClip.width(), fClip.height()), // tile interval |
| SkISize::Make(0,0), // margin |
| SkIPoint::Make(fClip.left(), fClip.top()), // offset |
| }; |
| SkTileGridFactory factory(info); |
| SkPictureRecorder recorder; |
| pic->playback(recorder.beginRecording(pic->cullRect().width(), |
| pic->cullRect().height(), |
| &factory)); |
| pic.reset(recorder.endRecording()); |
| } |
| SkString name = SkOSPath::Basename(path.c_str()); |
| fSourceType = "skp"; |
| fBenchType = "playback"; |
| return SkNEW_ARGS(SKPBench, |
| (name.c_str(), pic.get(), fClip, fScales[fCurrentScale])); |
| } |
| fCurrentSKP = 0; |
| fCurrentScale++; |
| } |
| |
| return NULL; |
| } |
| |
| void fillCurrentOptions(ResultsWriter* log) const { |
| log->configOption("source_type", fSourceType); |
| log->configOption("bench_type", fBenchType); |
| if (0 == strcmp(fSourceType, "skp")) { |
| log->configOption("clip", |
| SkStringPrintf("%d %d %d %d", fClip.fLeft, fClip.fTop, |
| fClip.fRight, fClip.fBottom).c_str()); |
| log->configOption("scale", SkStringPrintf("%.2g", fScales[fCurrentScale]).c_str()); |
| } |
| } |
| |
| private: |
| const BenchRegistry* fBenches; |
| const skiagm::GMRegistry* fGMs; |
| SkIRect fClip; |
| SkTArray<SkScalar> fScales; |
| SkTArray<SkString> fSKPs; |
| |
| const char* fSourceType; // What we're benching: bench, GM, SKP, ... |
| const char* fBenchType; // How we bench it: micro, recording, playback, ... |
| int fCurrentRecording; |
| int fCurrentScale; |
| int fCurrentSKP; |
| }; |
| |
| int nanobench_main(); |
| int nanobench_main() { |
| SetupCrashHandler(); |
| SkAutoGraphics ag; |
| |
| #if SK_SUPPORT_GPU |
| GrContext::Options grContextOpts; |
| grContextOpts.fDrawPathToCompressedTexture = FLAGS_gpuCompressAlphaMasks; |
| gGrFactory.reset(SkNEW_ARGS(GrContextFactory, (grContextOpts))); |
| #endif |
| |
| if (kAutoTuneLoops != FLAGS_loops) { |
| FLAGS_samples = 1; |
| FLAGS_gpuFrameLag = 0; |
| } |
| |
| if (!FLAGS_writePath.isEmpty()) { |
| SkDebugf("Writing files to %s.\n", FLAGS_writePath[0]); |
| if (!sk_mkdir(FLAGS_writePath[0])) { |
| SkDebugf("Could not create %s. Files won't be written.\n", FLAGS_writePath[0]); |
| FLAGS_writePath.set(0, NULL); |
| } |
| } |
| |
| SkAutoTDelete<ResultsWriter> log(SkNEW(ResultsWriter)); |
| if (!FLAGS_outResultsFile.isEmpty()) { |
| log.reset(SkNEW(NanoJSONResultsWriter(FLAGS_outResultsFile[0]))); |
| } |
| |
| if (1 == FLAGS_properties.count() % 2) { |
| SkDebugf("ERROR: --properties must be passed with an even number of arguments.\n"); |
| return 1; |
| } |
| for (int i = 1; i < FLAGS_properties.count(); i += 2) { |
| log->property(FLAGS_properties[i-1], FLAGS_properties[i]); |
| } |
| |
| if (1 == FLAGS_key.count() % 2) { |
| SkDebugf("ERROR: --key must be passed with an even number of arguments.\n"); |
| return 1; |
| } |
| for (int i = 1; i < FLAGS_key.count(); i += 2) { |
| log->key(FLAGS_key[i-1], FLAGS_key[i]); |
| } |
| |
| const double overhead = estimate_timer_overhead(); |
| SkDebugf("Timer overhead: %s\n", HUMANIZE(overhead)); |
| |
| SkAutoTMalloc<double> samples(FLAGS_samples); |
| |
| if (kAutoTuneLoops != FLAGS_loops) { |
| SkDebugf("Fixed number of loops; times would only be misleading so we won't print them.\n"); |
| } else if (FLAGS_verbose) { |
| // No header. |
| } else if (FLAGS_quiet) { |
| SkDebugf("median\tbench\tconfig\n"); |
| } else { |
| SkDebugf("maxrss\tloops\tmin\tmedian\tmean\tmax\tstddev\t%-*s\tconfig\tbench\n", |
| FLAGS_samples, "samples"); |
| } |
| |
| SkTDArray<Config> configs; |
| create_configs(&configs); |
| |
| BenchmarkStream benchStream; |
| while (Benchmark* b = benchStream.next()) { |
| SkAutoTDelete<Benchmark> bench(b); |
| if (SkCommandLineFlags::ShouldSkip(FLAGS_match, bench->getUniqueName())) { |
| continue; |
| } |
| |
| SkTDArray<Target*> targets; |
| create_targets(&targets, bench.get(), configs); |
| |
| if (!targets.isEmpty()) { |
| log->bench(bench->getUniqueName(), bench->getSize().fX, bench->getSize().fY); |
| bench->preDraw(); |
| } |
| for (int j = 0; j < targets.count(); j++) { |
| SkCanvas* canvas = targets[j]->surface.get() ? targets[j]->surface->getCanvas() : NULL; |
| const char* config = targets[j]->config.name; |
| |
| const int loops = |
| #if SK_SUPPORT_GPU |
| Benchmark::kGPU_Backend == targets[j]->config.backend |
| ? gpu_bench(targets[j]->gl, bench.get(), canvas, samples.get()) |
| : |
| #endif |
| cpu_bench( overhead, bench.get(), canvas, samples.get()); |
| |
| if (canvas && !FLAGS_writePath.isEmpty() && FLAGS_writePath[0]) { |
| SkString pngFilename = SkOSPath::Join(FLAGS_writePath[0], config); |
| pngFilename = SkOSPath::Join(pngFilename.c_str(), bench->getUniqueName()); |
| pngFilename.append(".png"); |
| write_canvas_png(canvas, pngFilename); |
| } |
| |
| if (kFailedLoops == loops) { |
| // Can't be timed. A warning note has already been printed. |
| continue; |
| } |
| |
| Stats stats(samples.get(), FLAGS_samples); |
| log->config(config); |
| log->configOption("name", bench->getName()); |
| benchStream.fillCurrentOptions(log.get()); |
| #if SK_SUPPORT_GPU |
| if (Benchmark::kGPU_Backend == targets[j]->config.backend) { |
| fill_gpu_options(log.get(), targets[j]->gl); |
| } |
| #endif |
| log->timer("min_ms", stats.min); |
| log->timer("median_ms", stats.median); |
| log->timer("mean_ms", stats.mean); |
| log->timer("max_ms", stats.max); |
| log->timer("stddev_ms", sqrt(stats.var)); |
| |
| if (kAutoTuneLoops != FLAGS_loops) { |
| if (targets.count() == 1) { |
| config = ""; // Only print the config if we run the same bench on more than one. |
| } |
| SkDebugf("%4dM\t%s\t%s\n" |
| , sk_tools::getMaxResidentSetSizeMB() |
| , bench->getUniqueName() |
| , config); |
| } else if (FLAGS_verbose) { |
| for (int i = 0; i < FLAGS_samples; i++) { |
| SkDebugf("%s ", HUMANIZE(samples[i])); |
| } |
| SkDebugf("%s\n", bench->getUniqueName()); |
| } else if (FLAGS_quiet) { |
| if (targets.count() == 1) { |
| config = ""; // Only print the config if we run the same bench on more than one. |
| } |
| SkDebugf("%s\t%s\t%s\n", HUMANIZE(stats.median), bench->getUniqueName(), config); |
| } else { |
| const double stddev_percent = 100 * sqrt(stats.var) / stats.mean; |
| SkDebugf("%4dM\t%d\t%s\t%s\t%s\t%s\t%.0f%%\t%s\t%s\t%s\n" |
| , sk_tools::getMaxResidentSetSizeMB() |
| , loops |
| , HUMANIZE(stats.min) |
| , HUMANIZE(stats.median) |
| , HUMANIZE(stats.mean) |
| , HUMANIZE(stats.max) |
| , stddev_percent |
| , stats.plot.c_str() |
| , config |
| , bench->getUniqueName() |
| ); |
| } |
| } |
| targets.deleteAll(); |
| |
| #if SK_SUPPORT_GPU |
| if (FLAGS_abandonGpuContext) { |
| gGrFactory->abandonContexts(); |
| } |
| if (FLAGS_resetGpuContext || FLAGS_abandonGpuContext) { |
| gGrFactory->destroyContexts(); |
| } |
| #endif |
| } |
| |
| return 0; |
| } |
| |
| #if !defined SK_BUILD_FOR_IOS |
| int main(int argc, char** argv) { |
| SkCommandLineFlags::Parse(argc, argv); |
| return nanobench_main(); |
| } |
| #endif |
