src/bench/bench_bitcoin.cpp

   1 // Copyright (c) 2015-2017 The Bitcoin Core developers
   2 // Distributed under the MIT software license, see the accompanying
   3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #include <bench/bench.h>
   6
   7 #include <crypto/sha256.h>
   8 #include <key.h>
   9 #include <validation.h>
  10 #include <util.h>
  11 #include <random.h>
  12
  13 #include <boost/lexical_cast.hpp>
  14
  15 #include <memory>
  16
  17 static const int64_t DEFAULT_BENCH_EVALUATIONS = 5;
  18 static const char* DEFAULT_BENCH_FILTER = ".*";
  19 static const char* DEFAULT_BENCH_SCALING = "1.0";
  20 static const char* DEFAULT_BENCH_PRINTER = "console";
  21 static const char* DEFAULT_PLOT_PLOTLYURL = "https://cdn.plot.ly/plotly-latest.min.js";
  22 static const int64_t DEFAULT_PLOT_WIDTH = 1024;
  23 static const int64_t DEFAULT_PLOT_HEIGHT = 768;
  24
  25 int
  26 main(int argc, char** argv)
  27 {
  28     gArgs.ParseParameters(argc, argv);
  29
  30     if (gArgs.IsArgSet("-?") || gArgs.IsArgSet("-h") || gArgs.IsArgSet("-help")) {
  31         std::cout << HelpMessageGroup(_("Options:"))
  32                   << HelpMessageOpt("-?", _("Print this help message and exit"))
  33                   << HelpMessageOpt("-list", _("List benchmarks without executing them. Can be combined with -scaling and -filter"))
  34                   << HelpMessageOpt("-evals=<n>", strprintf(_("Number of measurement evaluations to perform. (default: %u)"), DEFAULT_BENCH_EVALUATIONS))
  35                   << HelpMessageOpt("-filter=<regex>", strprintf(_("Regular expression filter to select benchmark by name (default: %s)"), DEFAULT_BENCH_FILTER))
  36                   << HelpMessageOpt("-scaling=<n>", strprintf(_("Scaling factor for benchmark's runtime (default: %u)"), DEFAULT_BENCH_SCALING))
  37                   << HelpMessageOpt("-printer=(console|plot)", strprintf(_("Choose printer format. console: print data to console. plot: Print results as HTML graph (default: %s)"), DEFAULT_BENCH_PRINTER))
  38                   << HelpMessageOpt("-plot-plotlyurl=<uri>", strprintf(_("URL to use for plotly.js (default: %s)"), DEFAULT_PLOT_PLOTLYURL))
  39                   << HelpMessageOpt("-plot-width=<x>", strprintf(_("Plot width in pixel (default: %u)"), DEFAULT_PLOT_WIDTH))
  40                   << HelpMessageOpt("-plot-height=<x>", strprintf(_("Plot height in pixel (default: %u)"), DEFAULT_PLOT_HEIGHT));
  41
  42         return 0;
  43     }
  44
  45     SHA256AutoDetect();
  46     RandomInit();
  47     ECC_Start();
  48     SetupEnvironment();
  49     fPrintToDebugLog = false; // don't want to write to debug.log file
  50
  51     int64_t evaluations = gArgs.GetArg("-evals", DEFAULT_BENCH_EVALUATIONS);
  52     std::string regex_filter = gArgs.GetArg("-filter", DEFAULT_BENCH_FILTER);
  53     std::string scaling_str = gArgs.GetArg("-scaling", DEFAULT_BENCH_SCALING);
  54     bool is_list_only = gArgs.GetBoolArg("-list", false);
  55
  56     double scaling_factor = boost::lexical_cast<double>(scaling_str);
  57
  58
  59     std::unique_ptr<benchmark::Printer> printer(new benchmark::ConsolePrinter());
  60     std::string printer_arg = gArgs.GetArg("-printer", DEFAULT_BENCH_PRINTER);
  61     if ("plot" == printer_arg) {
  62         printer.reset(new benchmark::PlotlyPrinter(
  63             gArgs.GetArg("-plot-plotlyurl", DEFAULT_PLOT_PLOTLYURL),
  64             gArgs.GetArg("-plot-width", DEFAULT_PLOT_WIDTH),
  65             gArgs.GetArg("-plot-height", DEFAULT_PLOT_HEIGHT)));
  66     }
  67
  68     benchmark::BenchRunner::RunAll(*printer, evaluations, scaling_factor, regex_filter, is_list_only);
  69
  70     ECC_Stop();
  71 }