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// Copyright (c) 2015-2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <bench/bench.h>
#include <util/strencodings.h>
#include <util/system.h>
#include <memory>
static const int64_t DEFAULT_BENCH_EVALUATIONS = 5;
static const char* DEFAULT_BENCH_FILTER = ".*";
static const char* DEFAULT_BENCH_SCALING = "1.0";
static const char* DEFAULT_BENCH_PRINTER = "console";
static const char* DEFAULT_PLOT_PLOTLYURL = "https://cdn.plot.ly/plotly-latest.min.js";
static const int64_t DEFAULT_PLOT_WIDTH = 1024;
static const int64_t DEFAULT_PLOT_HEIGHT = 768;
static void SetupBenchArgs()
{
SetupHelpOptions(gArgs);
gArgs.AddArg("-list", "List benchmarks without executing them. Can be combined with -scaling and -filter", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
gArgs.AddArg("-evals=<n>", strprintf("Number of measurement evaluations to perform. (default: %u)", DEFAULT_BENCH_EVALUATIONS), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
gArgs.AddArg("-filter=<regex>", strprintf("Regular expression filter to select benchmark by name (default: %s)", DEFAULT_BENCH_FILTER), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
gArgs.AddArg("-scaling=<n>", strprintf("Scaling factor for benchmark's runtime (default: %u)", DEFAULT_BENCH_SCALING), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
gArgs.AddArg("-printer=(console|plot)", strprintf("Choose printer format. console: print data to console. plot: Print results as HTML graph (default: %s)", DEFAULT_BENCH_PRINTER), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
gArgs.AddArg("-plot-plotlyurl=<uri>", strprintf("URL to use for plotly.js (default: %s)", DEFAULT_PLOT_PLOTLYURL), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
gArgs.AddArg("-plot-width=<x>", strprintf("Plot width in pixel (default: %u)", DEFAULT_PLOT_WIDTH), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
gArgs.AddArg("-plot-height=<x>", strprintf("Plot height in pixel (default: %u)", DEFAULT_PLOT_HEIGHT), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
}
int main(int argc, char** argv)
{
SetupBenchArgs();
std::string error;
if (!gArgs.ParseParameters(argc, argv, error)) {
tfm::format(std::cerr, "Error parsing command line arguments: %s\n", error);
return EXIT_FAILURE;
}
if (HelpRequested(gArgs)) {
std::cout << gArgs.GetHelpMessage();
return EXIT_SUCCESS;
}
int64_t evaluations = gArgs.GetArg("-evals", DEFAULT_BENCH_EVALUATIONS);
std::string regex_filter = gArgs.GetArg("-filter", DEFAULT_BENCH_FILTER);
std::string scaling_str = gArgs.GetArg("-scaling", DEFAULT_BENCH_SCALING);
bool is_list_only = gArgs.GetBoolArg("-list", false);
if (evaluations == 0) {
return EXIT_SUCCESS;
} else if (evaluations < 0) {
tfm::format(std::cerr, "Error parsing evaluations argument: %d\n", evaluations);
return EXIT_FAILURE;
}
double scaling_factor;
if (!ParseDouble(scaling_str, &scaling_factor)) {
tfm::format(std::cerr, "Error parsing scaling factor as double: %s\n", scaling_str);
return EXIT_FAILURE;
}
std::unique_ptr<benchmark::Printer> printer = MakeUnique<benchmark::ConsolePrinter>();
std::string printer_arg = gArgs.GetArg("-printer", DEFAULT_BENCH_PRINTER);
if ("plot" == printer_arg) {
printer.reset(new benchmark::PlotlyPrinter(
gArgs.GetArg("-plot-plotlyurl", DEFAULT_PLOT_PLOTLYURL),
gArgs.GetArg("-plot-width", DEFAULT_PLOT_WIDTH),
gArgs.GetArg("-plot-height", DEFAULT_PLOT_HEIGHT)));
}
gArgs.ClearArgs(); // gArgs no longer needed. Clear it here to avoid interactions with the testing setup in the benches
benchmark::BenchRunner::RunAll(*printer, evaluations, scaling_factor, regex_filter, is_list_only);
return EXIT_SUCCESS;
}
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