X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmain.cpp;h=de77e5823eff1a756f249ae1119493d441890921;hb=d40a12f948590e280a4c0e874cb8a73b6b7929c2;hp=ac466597d9500c3ab4531212535d939ddc355ef9;hpb=74160ac60266f9e6824a5a6417d8a0ac8c0b39cf;p=stockfish
diff --git a/src/main.cpp b/src/main.cpp
index ac466597..de77e582 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,7 +1,7 @@
/*
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) 2008-2010 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
@@ -17,81 +17,96 @@
along with this program. If not, see .
*/
+// To profile with callgrind uncomment following line
+//#define USE_CALLGRIND
+
////
//// Includes
////
#include
+#include
-#include "benchmark.h"
#include "bitboard.h"
+#include "bitcount.h"
#include "direction.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"
-using std::string;
+#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
- std::cout.rdbuf()->pubsetbuf(NULL, 0);
- std::cin.rdbuf()->pubsetbuf(NULL, 0);
+ cout.rdbuf()->pubsetbuf(NULL, 0);
+ cin.rdbuf()->pubsetbuf(NULL, 0);
- // Initialization
- init_mersenne();
+ // Startup initializations
init_direction_table();
init_bitboards();
init_uci_options();
Position::init_zobrist();
Position::init_piece_square_tables();
- MovePicker::init_phase_table();
init_eval(1);
init_bitbases();
+ init_search();
init_threads();
- // Make random number generation less deterministic, for book moves
- for (int i = abs(get_system_time() % 10000); i > 0; i--)
- genrand_int32();
+#ifdef USE_CALLGRIND
+ CALLGRIND_START_INSTRUMENTATION;
+#endif
- // Process command line arguments
- if (argc >= 2 && string(argv[1]) == "bench")
+ if (argc <= 1)
{
- if (argc < 4 || argc > 7)
- {
- std::cout << "Usage: stockfish bench "
- << "[time = 60s] [fen positions file = default] "
- << "[time, depth or node limited = time]"
- << std::endl;
- exit(0);
- }
- string time = argc > 4 ? argv[4] : "60";
- string fen = argc > 5 ? argv[5] : "default";
- string lim = argc > 6 ? argv[6] : "time";
- benchmark(string(argv[2]) + " " + string(argv[3]) + " " + time + " " + fen + " " + lim);
- return 0;
- }
+ // 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, Marco Costalba. "
- << 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;
}