X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbenchmark.cpp;h=0417313cbb6bf3ac22ba5733cd77bda68fc3212f;hp=5102b369d2ea0457f4afe0c02e6de52cf3197d1f;hb=cc04a745e2f6aca12ac8373c85ae0ccafac07ffb;hpb=d3600c39a745179ed6b094b305d0645e83a1ee86 diff --git a/src/benchmark.cpp b/src/benchmark.cpp index 5102b369..0417313c 100644 --- a/src/benchmark.cpp +++ b/src/benchmark.cpp @@ -1,44 +1,39 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008 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 the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - + Stockfish is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License 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 std::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", @@ -50,83 +45,95 @@ const std::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(istringstream& is) { + + string token; + Search::LimitsType limits; + vector fens(Defaults, Defaults + 16); -void benchmark(const std::string& commandLine) { + // Assign default values to missing arguments + string ttSize = (is >> token) ? token : "128"; + string threads = (is >> token) ? token : "1"; + string limit = (is >> token) ? token : "12"; + string fenFile = (is >> token) ? token : "default"; + string limitType = (is >> token) ? token : "depth"; - std::istringstream csVal(commandLine); - std::istringstream csStr(commandLine); - std::string ttSize, threads, fileName; - int val, secsPerPos; + Options["Hash"] = ttSize; + Options["Threads"] = threads; - csStr >> ttSize; - csVal >> val; - if (val < 4 || val > 1024) + if (limitType == "time") + limits.movetime = 1000 * atoi(limit.c_str()); // movetime is in ms + + else if (limitType == "nodes") + limits.nodes = atoi(limit.c_str()); + + else + limits.depth = atoi(limit.c_str()); + + if (fenFile == "current") { - std::cerr << "The hash table size must be between 4 and 1024" << std::endl; - exit(EXIT_FAILURE); + fens.clear(); + fens.push_back(Search::RootPosition.to_fen()); } - csStr >> threads; - csVal >> val; - if (val < 1 || val > THREAD_MAX) + else if (fenFile != "default") { - std::cerr << "The number of threads must be between 1 and " << THREAD_MAX - << std::endl; - exit(EXIT_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 >> secsPerPos; - csVal >> fileName; - - std::vector positions; - - if (fileName != "default") - { - std::ifstream fenFile(fileName.c_str()); - if (!fenFile.is_open()) + fens.clear(); + string fen; + ifstream file(fenFile.c_str()); + + if (!file.is_open()) { - std::cerr << "Unable to open positions file " << fileName - << std::endl; + cerr << "Unable to open file " << fenFile << endl; exit(EXIT_FAILURE); - } - std::string pos; - while (fenFile.good()) - { - std::getline(fenFile, pos); - if (!pos.empty()) - positions.push_back(pos); } - fenFile.close(); - } else - for (int i = 0; i < 16; i++) - positions.push_back(std::string(BenchmarkPositions[i])); - std::vector::iterator it; - for (it = positions.begin(); it != positions.end(); ++it) + while (getline(file, fen)) + if (!fen.empty()) + fens.push_back(fen); + + file.close(); + } + + int64_t nodes = 0; + Time time = Time::current_time(); + + for (size_t i = 0; i < fens.size(); i++) { - Move moves[1] = {MOVE_NONE}; - int dummy[2] = {0, 0}; - Position pos(*it); - think(pos, true, false, 0, dummy, dummy, 0, 0, 0, secsPerPos * 1000, moves); + Position pos(fens[i], false, Threads.main_thread()); + + cerr << "\nPosition: " << i + 1 << '/' << fens.size() << endl; + + if (limitType == "perft") + { + int64_t cnt = Search::perft(pos, limits.depth * ONE_PLY); + cerr << "\nPerft " << limits.depth << " leaf nodes: " << cnt << endl; + nodes += cnt; + } + else + { + Threads.start_searching(pos, limits, vector()); + Threads.wait_for_search_finished(); + nodes += Search::RootPosition.nodes_searched(); + } } + + int e = time.elapsed(); + + cerr << "\n===========================" + << "\nTotal time (ms) : " << e + << "\nNodes searched : " << nodes + << "\nNodes/second : " << int(nodes / (e / 1000.0)) << endl; }