/*
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) 2008-2010 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
const string BenchmarkPositions[] = {
"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 -",
+ "8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - -",
"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",
"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"
};
istringstream csVal(commandLine);
istringstream csStr(commandLine);
- string ttSize, threads, fileName, limitType;
+ string ttSize, threads, fileName, limitType, timFile;
int val, secsPerPos, maxDepth, maxNodes;
csStr >> ttSize;
}
csStr >> threads;
csVal >> val;
- if (val < 1 || val > THREAD_MAX)
+ if (val < 1 || val > MAX_THREADS)
{
- cerr << "The number of threads must be between 1 and " << THREAD_MAX << endl;
+ cerr << "The number of threads must be between 1 and " << MAX_THREADS << endl;
Application::exit_with_failure();
}
set_option_value("Hash", ttSize);
csVal >> val;
csVal >> fileName;
csVal >> limitType;
+ csVal >> timFile;
secsPerPos = maxDepth = maxNodes = 0;
if (limitType == "time")
secsPerPos = val * 1000;
- else if (limitType == "depth")
+ else if (limitType == "depth" || limitType == "perft")
maxDepth = val;
else
maxNodes = val;
for (int i = 0; i < 16; i++)
positions.push_back(string(BenchmarkPositions[i]));
- int startTime = get_system_time();
+ ofstream timingFile;
+ if (!timFile.empty())
+ {
+ timingFile.open(timFile.c_str(), ios::out | ios::app);
+ if (!timingFile.is_open())
+ {
+ cerr << "Unable to open timing file " << timFile << endl;
+ Application::exit_with_failure();
+ }
+ }
+
vector<string>::iterator it;
int cnt = 1;
int64_t totalNodes = 0;
+ int startTime = get_system_time();
+
for (it = positions.begin(); it != positions.end(); ++it, ++cnt)
{
Move moves[1] = {MOVE_NONE};
int dummy[2] = {0, 0};
- Position pos(*it);
- cout << "\nProcessing position " << cnt << '/' << positions.size() << endl << endl;
- if (!think(pos, true, false, 0, dummy, dummy, 0, maxDepth, maxNodes, secsPerPos, moves))
- break;
- totalNodes += nodes_searched();
+ Position pos(*it, 0);
+ cerr << "\nBench position: " << cnt << '/' << positions.size() << endl << endl;
+ if (limitType == "perft")
+ {
+ int64_t perftCnt = perft(pos, maxDepth * ONE_PLY);
+ cerr << "\nPerft " << maxDepth << " result (nodes searched): " << perftCnt << endl << endl;
+ totalNodes += perftCnt;
+ } else {
+ if (!think(pos, false, false, dummy, dummy, 0, maxDepth, maxNodes, secsPerPos, moves))
+ break;
+ totalNodes += nodes_searched();
+ }
+ }
+
+ cnt = get_system_time() - startTime;
+ cerr << "==============================="
+ << "\nTotal time (ms) : " << cnt
+ << "\nNodes searched : " << totalNodes
+ << "\nNodes/second : " << (int)(totalNodes/(cnt/1000.0)) << endl << endl;
+
+ if (!timFile.empty())
+ {
+ timingFile << cnt << endl << endl;
+ timingFile.close();
}
- cout << "\nProcessing time (ms) " << get_system_time() - startTime
- << "\nNodes searched " << totalNodes << "\nPress any key to exit" << endl;
+
+ // 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
}