X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmain.cpp;h=01b032c2ddca230595225da082b6f0af88dca00b;hb=1e7aaed8bc4247a742d515811f0e484ff40309b8;hp=49c66c0da69384e761034607a9548936a9ae9fe7;hpb=bb751d6c890f5c50c642366d601740366cfae8d0;p=stockfish
diff --git a/src/main.cpp b/src/main.cpp
index 49c66c0d..01b032c2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,95 +1,110 @@
/*
- Glaurung, a UCI chess playing engine.
- Copyright (C) 2004-2008 Tord Romstad
+ 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
- Glaurung is free software: you can redistribute it and/or modify
+ 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.
-
- Glaurung is distributed in the hope that it will be useful,
+
+ 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 .
*/
+// To profile with callgrind uncomment following line
+//#define USE_CALLGRIND
+
////
//// Includes
////
-#include
#include
+#include
-#include "benchmark.h"
#include "bitboard.h"
-#include "direction.h"
+#include "bitcount.h"
#include "endgame.h"
#include "evaluate.h"
#include "material.h"
-#include "mersenne.h"
#include "misc.h"
-#include "movepick.h"
#include "position.h"
#include "search.h"
#include "thread.h"
-#include "uci.h"
#include "ucioption.h"
+#ifdef USE_CALLGRIND
+#include
+#endif
+
+using namespace std;
-////
+extern bool execute_uci_command(const string& cmd);
+extern void benchmark(int argc, char* argv[]);
+
+////
//// Functions
////
-int main(int argc, char *argv[]) {
+int main(int argc, char* argv[]) {
// Disable IO buffering
- setbuf(stdin, NULL);
- setbuf(stdout, NULL);
- std::cout.rdbuf()->pubsetbuf(NULL, 0);
- std::cin.rdbuf()->pubsetbuf(NULL, 0);
-
- // Initialization
+ cout.rdbuf()->pubsetbuf(NULL, 0);
+ cin.rdbuf()->pubsetbuf(NULL, 0);
- init_mersenne();
- init_direction_table();
+ // Startup initializations
init_bitboards();
init_uci_options();
Position::init_zobrist();
Position::init_piece_square_tables();
- MaterialInfo::init();
- MovePicker::init_phase_table();
init_eval(1);
init_bitbases();
+ init_search();
init_threads();
- // Make random number generation less deterministic, for book moves
- int i = abs(get_system_time() % 10000);
- for(int j = 0; j < i; j++)
- genrand_int32();
-
- // Process command line arguments
- if(argc >= 2) {
- if(std::string(argv[1]) == "bench") {
- if(argc != 4) {
- std::cout << "Usage: glaurung bench " << std::endl;
- exit(0);
- }
- benchmark(std::string(argv[2]), std::string(argv[3]));
- return 0;
- }
- }
+#ifdef USE_CALLGRIND
+ CALLGRIND_START_INSTRUMENTATION;
+#endif
+
+ if (argc <= 1)
+ {
+ // Print copyright notice
+ cout << engine_name()
+ << " by Tord Romstad, Marco Costalba, Joona Kiiski" << endl;
+
+ if (CpuHasPOPCNT)
+ cout << "Good! CPU has hardware POPCNT." << endl;
- // Print copyright notice
- std::cout << engine_name() << ". "
- << "Copyright (C) 2004-2008 Tord Romstad."
- << std::endl;
+ // Wait for a command from the user, and passes this command to
+ // execute_uci_command() and also intercepts EOF from stdin, by
+ // translating EOF to the "quit" command. This ensures that we
+ // exit gracefully if the GUI dies unexpectedly.
+ string cmd;
- // Enter UCI mode
- uci_main_loop();
+ do {
+ // Wait for a command from stdin
+ if (!getline(cin, cmd))
+ cmd = "quit";
+
+ } while (execute_uci_command(cmd));
+ }
+ else // Process command line arguments
+ {
+ if (string(argv[1]) != "bench" || argc > 7)
+ cout << "Usage: stockfish bench [hash size = 128] [threads = 1] "
+ << "[limit = 12] [fen positions file = default] "
+ << "[depth, time, perft or node limited = depth]" << endl;
+ else
+ benchmark(argc, argv);
+ }
+ exit_threads();
+ quit_eval();
return 0;
}