X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbenchmark.cpp;h=ba05ac7fb8af7561bfd425e8dc1f4cdcfe738f16;hp=3abcda62f75e2a2fe87adba4878e4f1d715870c6;hb=103b368ab7f5fd696e0c6925917344d15a3c2d9c;hpb=55745f410547f22b1edce873b38cc3ce5f3ace5f diff --git a/src/benchmark.cpp b/src/benchmark.cpp index 3abcda62..ba05ac7f 100644 --- a/src/benchmark.cpp +++ b/src/benchmark.cpp @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2009 Marco Costalba + Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,29 +17,22 @@ along with this program. If not, see . */ - -//// -//// Includes -//// #include -#include +#include #include -#include "benchmark.h" +#include "misc.h" +#include "position.h" #include "search.h" #include "thread.h" #include "ucioption.h" using namespace std; -//// -//// Variables -//// - -const string BenchmarkPositions[] = { +static const char* Defaults[] = { "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1", - "r4rk1/1b2qppp/p1n1p3/1p6/1b1PN3/3BRN2/PP3PPP/R2Q2K1 b - - 7 16", - "4r1k1/ppq3pp/3b4/2pP4/2Q1p3/4B1P1/PP5P/R5K1 b - - 0 20", + "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 10", + "8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - - 0 11", "4rrk1/pp1n3p/3q2pQ/2p1pb2/2PP4/2P3N1/P2B2PP/4RRK1 b - - 7 19", "rq3rk1/ppp2ppp/1bnpb3/3N2B1/3NP3/7P/PPPQ1PP1/2KR3R w - - 7 14", "r1bq1r1k/1pp1n1pp/1p1p4/4p2Q/4Pp2/1BNP4/PPP2PPP/3R1RK1 w - - 2 14", @@ -51,131 +44,91 @@ const string BenchmarkPositions[] = { "r1bq1r1k/b1p1npp1/p2p3p/1p6/3PP3/1B2NN2/PP3PPP/R2Q1RK1 w - - 1 16", "3r1rk1/p5pp/bpp1pp2/8/q1PP1P2/b3P3/P2NQRPP/1R2B1K1 b - - 6 22", "r1q2rk1/2p1bppp/2Pp4/p6b/Q1PNp3/4B3/PP1R1PPP/2K4R w - - 2 18", - "4k2r/1pb2ppp/1p2p3/1R1p4/3P4/2r1PN2/P4PPP/1R4K1 b - 3 22", + "4k2r/1pb2ppp/1p2p3/1R1p4/3P4/2r1PN2/P4PPP/1R4K1 b - - 3 22", "3q2k1/pb3p1p/4pbp1/2r5/PpN2N2/1P2P2P/5PP1/Q2R2K1 b - - 4 26" }; -//// -//// Functions -//// - /// benchmark() runs a simple benchmark by letting Stockfish analyze a set -/// of positions for a given time each. There are four parameters; the +/// of positions for a given limit each. There are five parameters; the /// transposition table size, the number of search threads that should -/// be used, the time in seconds spent for each position (optional, default -/// is 60) and an optional file name where to look for positions in fen -/// format (default are the BenchmarkPositions defined above). -/// The analysis is written to a file named bench.txt. +/// be used, the limit value spent for each position (optional, default is +/// depth 12), an optional file name where to look for positions in fen +/// format (defaults are the positions defined above) and the type of the +/// limit value: depth (default), time in secs or number of nodes. -void benchmark(const string& commandLine) { +void benchmark(int argc, char* argv[]) { - istringstream csVal(commandLine); - istringstream csStr(commandLine); - string ttSize, threads, fileName, limitType, timFile; - int val, secsPerPos, maxDepth, maxNodes; + vector fens; + Search::LimitsType limits; + int time; + int64_t nodes = 0; - csStr >> ttSize; - csVal >> val; - if (val < 4 || val > 1024) - { - cerr << "The hash table size must be between 4 and 1024" << endl; - Application::exit_with_failure(); - } - csStr >> threads; - csVal >> val; - if (val < 1 || val > THREAD_MAX) - { - cerr << "The number of threads must be between 1 and " << THREAD_MAX << endl; - Application::exit_with_failure(); - } - set_option_value("Hash", ttSize); - set_option_value("Threads", threads); - set_option_value("OwnBook", "false"); - set_option_value("Use Search Log", "true"); - set_option_value("Search Log Filename", "bench.txt"); - - csVal >> val; - csVal >> fileName; - csVal >> limitType; - csVal >> timFile; - - secsPerPos = maxDepth = maxNodes = 0; - - if (limitType == "time") - secsPerPos = val * 1000; - else if (limitType == "depth" || limitType == "perft") - maxDepth = val; - else - maxNodes = val; + // Assign default values to missing arguments + string ttSize = argc > 2 ? argv[2] : "128"; + string threads = argc > 3 ? argv[3] : "1"; + string valStr = argc > 4 ? argv[4] : "12"; + string fenFile = argc > 5 ? argv[5] : "default"; + string valType = argc > 6 ? argv[6] : "depth"; - vector positions; + Options["Hash"] = ttSize; + Options["Threads"] = threads; + Options["OwnBook"] = false; - if (fileName != "default") - { - ifstream fenFile(fileName.c_str()); - if (!fenFile.is_open()) - { - cerr << "Unable to open positions file " << fileName << endl; - Application::exit_with_failure(); - } - string pos; - while (fenFile.good()) - { - getline(fenFile, pos); - if (!pos.empty()) - positions.push_back(pos); - } - fenFile.close(); - } else - for (int i = 0; i < 16; i++) - positions.push_back(string(BenchmarkPositions[i])); + if (valType == "time") + limits.maxTime = 1000 * atoi(valStr.c_str()); // maxTime is in ms + + else if (valType == "nodes") + limits.maxNodes = atoi(valStr.c_str()); - ofstream timingFile; - if (!timFile.empty()) + else + limits.maxDepth = atoi(valStr.c_str()); + + if (fenFile != "default") { - timingFile.open(timFile.c_str(), ios::out | ios::app); - if (!timingFile.is_open()) + string fen; + ifstream file(fenFile.c_str()); + + if (!file.is_open()) { - cerr << "Unable to open timing file " << timFile << endl; - Application::exit_with_failure(); + cerr << "Unable to open file " << fenFile << endl; + exit(EXIT_FAILURE); } - } - vector::iterator it; - int cnt = 1; - int64_t totalNodes = 0; - int startTime = get_system_time(); + while (getline(file, fen)) + if (!fen.empty()) + fens.push_back(fen); - for (it = positions.begin(); it != positions.end(); ++it, ++cnt) - { - Move moves[1] = {MOVE_NONE}; - int dummy[2] = {0, 0}; - Position pos(*it); - cerr << "\nBench position: " << cnt << '/' << positions.size() << endl << endl; - if (limitType == "perft") - totalNodes += perft(pos, maxDepth * OnePly); - else if (!think(pos, false, false, 0, dummy, dummy, 0, maxDepth, maxNodes, secsPerPos, moves)) - break; - totalNodes += nodes_searched(); + file.close(); } + else + fens.assign(Defaults, Defaults + 16); - cnt = get_system_time() - startTime; - cerr << "===============================" - << "\nTotal time (ms) : " << cnt - << "\nNodes searched : " << totalNodes - << "\nNodes/second : " << (int)(totalNodes/(cnt/1000.0)) << endl << endl; + time = system_time(); - if (!timFile.empty()) + for (size_t i = 0; i < fens.size(); i++) { - timingFile << cnt << endl << endl; - timingFile.close(); + Position pos(fens[i], false, 0); + + cerr << "\nPosition: " << i + 1 << '/' << fens.size() << endl; + + if (valType == "perft") + { + int64_t cnt = Search::perft(pos, limits.maxDepth * ONE_PLY); + cerr << "\nPerft " << limits.maxDepth << " leaf nodes: " << cnt << endl; + nodes += cnt; + } + else + { + Threads.start_thinking(pos, limits); + nodes += Search::RootPosition.nodes_searched(); + } } - // Under MS Visual C++ debug window always unconditionally closes - // when program exits, this is bad because we want to read results before. - #if (defined(WINDOWS) || defined(WIN32) || defined(WIN64)) - cerr << "Press any key to exit" << endl; - cin >> fileName; - #endif + time = system_time() - time; + + cerr << "\n===========================" + << "\nTotal time (ms) : " << time + << "\nNodes searched : " << nodes + << "\nNodes/second : " << int(nodes / (time / 1000.0)) << endl; }