/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
+ 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
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-// To profile with callgrind uncomment following line
-//#define USE_CALLGRIND
-
-#include <cstdio>
#include <iostream>
#include <string>
#include "bitboard.h"
-#include "evaluate.h"
#include "position.h"
+#include "search.h"
#include "thread.h"
-#include "ucioption.h"
-
-#ifdef USE_CALLGRIND
-#include <valgrind/callgrind.h>
-#endif
using namespace std;
-extern bool execute_uci_command(const string& cmd);
+extern void uci_loop();
extern void benchmark(int argc, char* argv[]);
-extern void init_kpk_bitbase();
+extern void kpk_bitbase_init();
int main(int argc, char* argv[]) {
- // Disable IO buffering for C and C++ standard libraries
- setvbuf(stdin, NULL, _IONBF, 0);
- setvbuf(stdout, NULL, _IONBF, 0);
- cout.rdbuf()->pubsetbuf(NULL, 0);
- cin.rdbuf()->pubsetbuf(NULL, 0);
-
- // Startup initializations
- init_bitboards();
- init_uci_options();
- Position::init_zobrist();
- Position::init_piece_square_tables();
- init_eval(1);
- init_kpk_bitbase();
- init_search();
- init_threads();
+ bitboards_init();
+ Position::init();
+ kpk_bitbase_init();
+ Search::init();
+ Threads.init();
-#ifdef USE_CALLGRIND
- CALLGRIND_START_INSTRUMENTATION;
-#endif
+ cout << engine_info() << endl;
- if (argc < 2)
- {
- // Print copyright notice
- cout << engine_name() << " by " << engine_author() << endl;
+ if (argc == 1)
+ uci_loop();
- if (CpuHasPOPCNT)
- cout << "Good! CPU has hardware POPCNT." << endl;
-
- // Wait for a command from the user, and passes this command to
- // execute_uci_command() and also intercepts EOF from stdin to
- // ensure that we exit gracefully if the GUI dies unexpectedly.
- string cmd;
- while (getline(cin, cmd) && execute_uci_command(cmd)) {}
- }
- else if (string(argv[1]) == "bench" && argc < 8)
+ else if (string(argv[1]) == "bench")
benchmark(argc, argv);
+
else
- cout << "Usage: stockfish bench [hash size = 128] [threads = 1] "
+ cerr << "\nUsage: stockfish bench [hash size = 128] [threads = 1] "
<< "[limit = 12] [fen positions file = default] "
- << "[depth, time, perft or node limited = depth]" << endl;
+ << "[limited by depth, time, nodes or perft = depth]" << endl;
- exit_threads();
- quit_eval();
- return 0;
+ Threads.exit();
}