2 Stockfish, a UCI chess playing engine derived from Glaurung 2.1
3 Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
4 Copyright (C) 2008 Marco Costalba
6 Stockfish is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 Stockfish is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #include "benchmark.h"
29 #include "direction.h"
40 #include "ucioption.h"
48 int main(int argc, char *argv[]) {
50 // Disable IO buffering
51 std::cout.rdbuf()->pubsetbuf(NULL, 0);
52 std::cin.rdbuf()->pubsetbuf(NULL, 0);
56 init_direction_table();
59 Position::init_zobrist();
60 Position::init_piece_square_tables();
61 MovePicker::init_phase_table();
66 // Make random number generation less deterministic, for book moves
67 for (int i = abs(get_system_time() % 10000); i > 0; i--)
70 // Process command line arguments
71 if (argc >= 2 && string(argv[1]) == "bench")
73 if (argc < 4 || argc > 7)
75 std::cout << "Usage: stockfish bench <hash size> <threads> "
76 << "[time = 60s] [fen positions file = default] "
77 << "[time, depth or node limited = time]"
81 string time = argc > 4 ? argv[4] : "60";
82 string fen = argc > 5 ? argv[5] : "default";
83 string lim = argc > 6 ? argv[6] : "time";
84 benchmark(string(argv[2]) + " " + string(argv[3]) + " " + time + " " + fen + " " + lim);
88 // Print copyright notice
89 std::cout << engine_name() << ". Copyright (C) "
90 << "2004-2008 Tord Romstad, Marco Costalba. "