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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 <crypto/sha256.h>
#include <util/strencodings.h>
#include <util/system.h>
#include <memory>
static const char* DEFAULT_BENCH_FILTER = ".*";
static void SetupBenchArgs(ArgsManager& argsman)
{
SetupHelpOptions(argsman);
argsman.AddArg("-list", "List benchmarks without executing them", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-filter=<regex>", strprintf("Regular expression filter to select benchmark by name (default: %s)", DEFAULT_BENCH_FILTER), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-asymptote=n1,n2,n3,...", strprintf("Test asymptotic growth of the runtime of an algorithm, if supported by the benchmark"), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-output_csv=<output.csv>", "Generate CSV file with the most important benchmark results.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-output_json=<output.json>", "Generate JSON file with all benchmark results.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
}
// parses a comma separated list like "10,20,30,50"
static std::vector<double> parseAsymptote(const std::string& str) {
std::stringstream ss(str);
std::vector<double> numbers;
double d;
char c;
while (ss >> d) {
numbers.push_back(d);
ss >> c;
}
return numbers;
}
int main(int argc, char** argv)
{
ArgsManager argsman;
SetupBenchArgs(argsman);
SHA256AutoDetect();
std::string error;
if (!argsman.ParseParameters(argc, argv, error)) {
tfm::format(std::cerr, "Error parsing command line arguments: %s\n", error);
return EXIT_FAILURE;
}
if (HelpRequested(argsman)) {
std::cout << argsman.GetHelpMessage();
return EXIT_SUCCESS;
}
benchmark::Args args;
args.regex_filter = argsman.GetArg("-filter", DEFAULT_BENCH_FILTER);
args.is_list_only = argsman.GetBoolArg("-list", false);
args.asymptote = parseAsymptote(argsman.GetArg("-asymptote", ""));
args.output_csv = argsman.GetArg("-output_csv", "");
args.output_json = argsman.GetArg("-output_json", "");
benchmark::BenchRunner::RunAll(args);
return EXIT_SUCCESS;
}
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