Method selfplay

Rapfi/command/selfplay.cpp:88–465

using namespace Tuning;

void Command::selfplay(int argc, char *argv[])
{
    size_t                        numGames;
    size_t                        numThreads;
    size_t                        hashSizeMb;
    int                           boardSizeMin, boardSizeMax;
    Rule                          rule;
    int                           multipv, multipvDecaySteps;
    double                        meanNodes, varNodes, nodesDecay;
    int                           maxDecaySteps;
    uint64_t                      minNodes;
    int                           matePly;
    int                           drawValue, drawCount, minDrawPly;
    int                           forceDrawPly, forceDrawPlyLeft;
    Time                          reportInterval;
    bool                          noMateMultiPV;
    bool                          generateOpening;
    bool                          silence;
    std::vector<std::vector<Pos>> openings;
    Opening::OpeningGenConfig     opengenCfg;
    DataWriterType                dataWriterType;
    std::string                   outputPath;
    std::unique_ptr<DataWriter>   dataWriter;

    cxxopts::Options options("rapfi selfplay");
    options.add_options()  //
        ("o,output",
         "Save data entries of played games to a binary file",
         cxxopts::value<std::string>())  //
        ("output-type",
         "Output dataset type, one of [txt, bin, bin_lz4, binpack, binpack_lz4]",
         cxxopts::value<std::string>()->default_value("binpack_lz4"))             //
        ("n,number", "Number of games to play", cxxopts::value<size_t>())         //
        ("boardsize-min", "Minimal board size in [5,22]", cxxopts::value<int>())  //
        ("boardsize-max", "Maximal board size in [5,22]", cxxopts::value<int>())  //
        ("opening",
         "Path to the opening book file. If not specified, auto generated openings are used",
         cxxopts::value<std::string>())  //
        ("multipv",
         "The maximum number of multipv to record (must be at least 1)",
         cxxopts::value<int>()->default_value("1"))  //
        ("multipv-decay-steps",
         "The number of steps to decrease multipv by 1 (0 for not enabled)",
         cxxopts::value<int>()->default_value("0"))  //
        ("no-multipv-after-mate",
         "Disable multipv after mate has been found")  //
        ("mean-nodes",
         "Mean of a normal distribution of num search nodes",
         cxxopts::value<double>()->default_value("100000"))  //
        ("var-nodes",
         "Variance of a normal distribution of num search nodes",
         cxxopts::value<double>()->default_value("10000"))  //
        ("nodes-decay",
         "The lambda to decay the number of search nodes",
         cxxopts::value<double>()->default_value("1.0"))  //
        ("max-nodes-decay-steps",
         "The maximum number of steps to decay the number of search nodes",
         cxxopts::value<int>()->default_value("100"))  //