mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "Benchmark.h" |
Mike Klein | 4bc6d8f | 2016-10-19 13:27:07 -0400 | [diff] [blame] | 9 | #include "OverwriteLine.h" |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 10 | #include "SkGraphics.h" |
Mike Klein | 0dc6dd0 | 2017-05-15 12:19:39 -0400 | [diff] [blame] | 11 | #include "SkSurface.h" |
mtklein | 2052f31 | 2016-07-12 14:50:28 -0700 | [diff] [blame] | 12 | #include "SkTaskGroup.h" |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 13 | #include <algorithm> |
| 14 | #include <chrono> |
Mike Klein | cc300a1 | 2016-10-12 16:25:27 -0400 | [diff] [blame] | 15 | #include <limits> |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 16 | #include <regex> |
Mike Klein | 645999f | 2016-09-28 14:00:51 -0400 | [diff] [blame] | 17 | #include <stdlib.h> |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 18 | #include <string> |
| 19 | #include <vector> |
| 20 | |
Mike Klein | 4bc6d8f | 2016-10-19 13:27:07 -0400 | [diff] [blame] | 21 | |
| 22 | #if defined(SK_BUILD_FOR_WIN32) |
| 23 | static const char* kEllipsis = "..."; |
| 24 | #else |
| 25 | static const char* kEllipsis = "…"; |
| 26 | #endif |
| 27 | |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 28 | int main(int argc, char** argv) { |
| 29 | SkGraphics::Init(); |
mtklein | 2052f31 | 2016-07-12 14:50:28 -0700 | [diff] [blame] | 30 | SkTaskGroup::Enabler enabled; |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 31 | |
| 32 | using clock = std::chrono::high_resolution_clock; |
| 33 | using ns = std::chrono::duration<double, std::nano>; |
| 34 | |
| 35 | std::regex pattern; |
Mike Klein | 645999f | 2016-09-28 14:00:51 -0400 | [diff] [blame] | 36 | int limit = 2147483647; |
| 37 | if (argc > 1) { pattern = argv[1]; } |
| 38 | if (argc > 2) { limit = atoi(argv[2]); } |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 39 | |
| 40 | struct Bench { |
| 41 | std::unique_ptr<Benchmark> b; |
| 42 | std::string name; |
| 43 | ns best; |
| 44 | }; |
| 45 | std::vector<Bench> benches; |
| 46 | |
| 47 | for (auto r = BenchRegistry::Head(); r; r = r->next()) { |
| 48 | std::unique_ptr<Benchmark> bench{ r->factory()(nullptr) }; |
| 49 | |
| 50 | std::string name = bench->getName(); |
| 51 | if (std::regex_search(name, pattern) && |
Mike Klein | 0dc6dd0 | 2017-05-15 12:19:39 -0400 | [diff] [blame] | 52 | (bench->isSuitableFor(Benchmark::kNonRendering_Backend) || |
| 53 | bench->isSuitableFor(Benchmark:: kRaster_Backend))) { |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 54 | bench->delayedSetup(); |
Mike Klein | cc300a1 | 2016-10-12 16:25:27 -0400 | [diff] [blame] | 55 | benches.emplace_back(Bench{std::move(bench), name, |
| 56 | ns{std::numeric_limits<double>::infinity()}}); |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 57 | } |
| 58 | } |
| 59 | |
Mike Klein | 645999f | 2016-09-28 14:00:51 -0400 | [diff] [blame] | 60 | if (benches.size() == 0) { |
Mike Klein | 4bc6d8f | 2016-10-19 13:27:07 -0400 | [diff] [blame] | 61 | SkDebugf("No bench matched.\n"); |
Mike Klein | 645999f | 2016-09-28 14:00:51 -0400 | [diff] [blame] | 62 | return 1; |
| 63 | } |
| 64 | |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 65 | if (benches.size() > 1) { |
| 66 | int common_prefix = benches[0].name.size(); |
| 67 | for (size_t i = 1; i < benches.size(); i++) { |
| 68 | int len = std::mismatch(benches[i-1].name.begin(), benches[i-1].name.end(), |
| 69 | benches[i-0].name.begin()) |
| 70 | .first - benches[i-1].name.begin(); |
| 71 | common_prefix = std::min(common_prefix, len); |
| 72 | } |
| 73 | std::string prefix = benches[0].name.substr(0, common_prefix); |
| 74 | if (common_prefix) { |
| 75 | for (auto& bench : benches) { |
Mike Klein | 4bc6d8f | 2016-10-19 13:27:07 -0400 | [diff] [blame] | 76 | bench.name.replace(0, common_prefix, kEllipsis); |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 77 | } |
| 78 | } |
| 79 | |
| 80 | int common_suffix = benches[0].name.size(); |
| 81 | for (size_t i = 1; i < benches.size(); i++) { |
| 82 | int len = std::mismatch(benches[i-1].name.rbegin(), benches[i-1].name.rend(), |
| 83 | benches[i-0].name.rbegin()) |
| 84 | .first - benches[i-1].name.rbegin(); |
| 85 | common_suffix = std::min(common_suffix, len); |
| 86 | } |
| 87 | std::string suffix = benches[0].name.substr(benches[0].name.size() - common_suffix); |
| 88 | if (common_suffix) { |
| 89 | for (auto& bench : benches) { |
Mike Klein | 4bc6d8f | 2016-10-19 13:27:07 -0400 | [diff] [blame] | 90 | bench.name.replace(bench.name.size() - common_suffix, common_suffix, kEllipsis); |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 91 | } |
| 92 | } |
| 93 | |
Mike Klein | 4bc6d8f | 2016-10-19 13:27:07 -0400 | [diff] [blame] | 94 | SkDebugf("%s%s%s\n", prefix.c_str(), kEllipsis, suffix.c_str()); |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 95 | } |
| 96 | |
| 97 | int samples = 0; |
Mike Klein | 645999f | 2016-09-28 14:00:51 -0400 | [diff] [blame] | 98 | while (samples < limit) { |
Mike Klein | 7c6bc46 | 2017-01-05 14:08:50 -0500 | [diff] [blame] | 99 | std::random_shuffle(benches.begin(), benches.end()); |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 100 | for (auto& bench : benches) { |
Mike Klein | 0dc6dd0 | 2017-05-15 12:19:39 -0400 | [diff] [blame] | 101 | sk_sp<SkSurface> dst; |
| 102 | SkCanvas* canvas = nullptr; |
| 103 | if (!bench.b->isSuitableFor(Benchmark::kNonRendering_Backend)) { |
| 104 | dst = SkSurface::MakeRaster(SkImageInfo::MakeS32(bench.b->getSize().x(), |
| 105 | bench.b->getSize().y(), |
| 106 | kPremul_SkAlphaType)); |
| 107 | canvas = dst->getCanvas(); |
| 108 | bench.b->perCanvasPreDraw(canvas); |
| 109 | } |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 110 | for (int loops = 1; loops < 1000000000;) { |
Mike Klein | 0dc6dd0 | 2017-05-15 12:19:39 -0400 | [diff] [blame] | 111 | |
| 112 | bench.b->preDraw(canvas); |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 113 | auto start = clock::now(); |
Mike Klein | 0dc6dd0 | 2017-05-15 12:19:39 -0400 | [diff] [blame] | 114 | bench.b->draw(loops, canvas); |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 115 | ns elapsed = clock::now() - start; |
Mike Klein | 0dc6dd0 | 2017-05-15 12:19:39 -0400 | [diff] [blame] | 116 | bench.b->postDraw(canvas); |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 117 | |
| 118 | if (elapsed < std::chrono::milliseconds{10}) { |
| 119 | loops *= 2; |
| 120 | continue; |
| 121 | } |
| 122 | |
| 123 | bench.best = std::min(bench.best, elapsed / loops); |
| 124 | samples++; |
| 125 | |
Mike Klein | ef6bbbd | 2017-01-05 14:23:57 -0500 | [diff] [blame] | 126 | struct Result { const char* name; ns best; }; |
| 127 | std::vector<Result> sorted(benches.size()); |
| 128 | for (size_t i = 0; i < benches.size(); i++) { |
| 129 | sorted[i].name = benches[i].name.c_str(); |
| 130 | sorted[i].best = benches[i].best; |
| 131 | } |
| 132 | std::sort(sorted.begin(), sorted.end(), [](const Result& a, const Result& b) { |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 133 | return a.best < b.best; |
| 134 | }); |
Mike Klein | ef6bbbd | 2017-01-05 14:23:57 -0500 | [diff] [blame] | 135 | |
Mike Klein | 4bc6d8f | 2016-10-19 13:27:07 -0400 | [diff] [blame] | 136 | SkDebugf("%s%d", kSkOverwriteLine, samples); |
Mike Klein | ef6bbbd | 2017-01-05 14:23:57 -0500 | [diff] [blame] | 137 | for (auto& result : sorted) { |
| 138 | if (sorted.size() == 1) { |
| 139 | SkDebugf(" %s %gns" , result.name, result.best.count()); |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 140 | } else { |
Mike Klein | ef6bbbd | 2017-01-05 14:23:57 -0500 | [diff] [blame] | 141 | SkDebugf(" %s %.3gx", result.name, result.best / sorted[0].best); |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 142 | } |
| 143 | } |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 144 | break; |
| 145 | } |
Mike Klein | 0dc6dd0 | 2017-05-15 12:19:39 -0400 | [diff] [blame] | 146 | if (canvas) { |
| 147 | bench.b->perCanvasPostDraw(canvas); |
| 148 | } |
mtklein | 7e602c2 | 2016-07-11 11:27:30 -0700 | [diff] [blame] | 149 | } |
| 150 | } |
| 151 | |
| 152 | return 0; |
| 153 | } |