mirror of https://github.com/OpenRCT2/OpenRCT2.git
Update sprite sort benchmark to accept filename
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d2e39392f3
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@ -65,8 +65,7 @@ static void fixup_pointers(paint_session* s, size_t paint_session_entries, size_
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}
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}
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// This function is based on benchgfx_render_screenshots
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static void BM_paint_session_arrange(benchmark::State& state)
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static std::vector<paint_session> extract_paint_session(const std::string parkFileName)
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{
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core_init();
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gOpenRCT2Headless = true;
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@ -76,9 +75,10 @@ static void BM_paint_session_arrange(benchmark::State& state)
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if (context->Initialise())
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{
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drawing_engine_init();
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if (!context->LoadParkFromFile("data.sv6"))
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if (!context->LoadParkFromFile(parkFileName))
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{
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return;
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log_error("Failed to load park!");
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return {};
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}
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gIntroState = INTRO_STATE_NONE;
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@ -132,6 +132,13 @@ static void BM_paint_session_arrange(benchmark::State& state)
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drawing_engine_dispose();
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}
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log_info("Got %u paint sessions.", std::size(sessions));
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return sessions;
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}
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// This function is based on benchgfx_render_screenshots
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static void BM_paint_session_arrange(benchmark::State& state, const std::vector<paint_session> inputSessions)
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{
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std::vector<paint_session> sessions = inputSessions;
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// Fixing up the pointers continuously is wasteful. Fix it up once for `sessions` and store a copy.
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// Keep in mind we need bit-exact copy, as the lists use pointers.
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// Once sorted, just restore the copy with the original fixed-up version.
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@ -149,40 +156,47 @@ static void BM_paint_session_arrange(benchmark::State& state)
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state.SetItemsProcessed(state.iterations() * std::size(sessions));
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delete[] local_s;
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}
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BENCHMARK(BM_paint_session_arrange);
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// Provide some baseline performing similar things as the actual version of the benchmark does.
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static void BM_baseline(benchmark::State& state)
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{
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std::vector<paint_session> sessions(1);
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paint_session* local_s = new paint_session[std::size(sessions)];
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std::copy_n(sessions.cbegin(), std::size(sessions), local_s);
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for (auto _ : state)
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{
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state.PauseTiming();
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std::copy_n(local_s, std::size(sessions), sessions.begin());
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state.ResumeTiming();
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paint_session_arrange(local_s);
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benchmark::DoNotOptimize(local_s);
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}
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state.SetItemsProcessed(state.iterations() * std::size(sessions));
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delete[] local_s;
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}
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BENCHMARK(BM_baseline);
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static int cmdline_for_bench_sprite_sort(int argc, const char** argv)
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{
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const char* inputFileName = nullptr;
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int argStart = 0;
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if (argc >= 1 && platform_file_exists(argv[0]))
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{
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inputFileName = argv[0];
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argStart = 1; // skip file name
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}
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// Google benchmark does stuff to argv. It doesn't modify the pointees,
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// but it wants to reorder the pointers, so present a copy of them.
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std::vector<char*> argv_for_benchmark;
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// argv[0] is expected to contain the binary name. Don't bother.
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// argv[0] is expected to contain the binary name. It's only for logging purposes, don't bother.
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argv_for_benchmark.push_back(nullptr);
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for (int i = 0; i < argc; i++)
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for (int i = argStart; i < argc; i++)
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{
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argv_for_benchmark.push_back((char*)argv[i]);
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}
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// Account for argv[0]
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argc++;
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// Update argc with all the changes made
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argc = (int)argv_for_benchmark.size();
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{
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// Register some basic "baseline" benchmark
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std::vector<paint_session> sessions(1);
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for (auto& ps : sessions[0].PaintStructs)
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{
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ps.basic.next_quadrant_ps = (paint_struct*)(std::size(sessions[0].PaintStructs));
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}
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for (auto& quad : sessions[0].Quadrants)
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{
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quad = (paint_struct*)(std::size(sessions[0].Quadrants));
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}
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benchmark::RegisterBenchmark("baseline", BM_paint_session_arrange, sessions);
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}
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if (inputFileName != nullptr)
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{
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// Register benchmark for sv6 if valid
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std::vector<paint_session> sessions = extract_paint_session(inputFileName);
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if (!sessions.empty())
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benchmark::RegisterBenchmark(inputFileName, BM_paint_session_arrange, sessions);
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}
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::benchmark::Initialize(&argc, &argv_for_benchmark[0]);
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if (::benchmark::ReportUnrecognizedArguments(argc, &argv_for_benchmark[0]))
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return -1;
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@ -214,7 +228,7 @@ const CommandLineCommand CommandLine::BenchSpriteSortCommands[]{
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#ifdef USE_BENCHMARK
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DefineCommand(
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"",
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"<file> [--benchmark_list_tests={true|false}] [--benchmark_filter=<regex>] [--benchmark_min_time=<min_time>] "
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"[<file>] [--benchmark_list_tests={true|false}] [--benchmark_filter=<regex>] [--benchmark_min_time=<min_time>] "
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"[--benchmark_repetitions=<num_repetitions>] [--benchmark_report_aggregates_only={true|false}] "
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"[--benchmark_format=<console|json|csv>] [--benchmark_out=<filename>] [--benchmark_out_format=<json|console|csv>] "
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"[--benchmark_color={auto|true|false}] [--benchmark_counters_tabular={true|false}] [--v=<verbosity>]",
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