/*
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
// To profile with callgrind uncomment following line
//#define USE_CALLGRIND
-
-////
-//// Includes
-////
-
+#include <cstdio>
#include <iostream>
#include <string>
-#include "benchmark.h"
-#include "misc.h"
-#include "uci.h"
+#include "bitboard.h"
+#include "evaluate.h"
+#include "position.h"
+#include "thread.h"
+#include "search.h"
+#include "ucioption.h"
#ifdef USE_CALLGRIND
#include <valgrind/callgrind.h>
using namespace std;
+extern void uci_loop();
+extern void benchmark(int argc, char* argv[]);
+extern void kpk_bitbase_init();
-////
-//// Functions
-////
-
-int main(int argc, char *argv[]) {
+int main(int argc, char* argv[]) {
- // Disable IO buffering
+ // 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);
- // Initialization through global resources manager
- Application::initialize();
+ // Startup initializations
+ init_bitboards();
+ Position::init();
+ kpk_bitbase_init();
+ init_search();
+ Threads.init();
#ifdef USE_CALLGRIND
CALLGRIND_START_INSTRUMENTATION;
#endif
- // Process command line arguments if any
- if (argc > 1)
+ if (argc < 2)
{
- if (string(argv[1]) != "bench" || argc < 4 || argc > 7)
- cout << "Usage: stockfish bench <hash size> <threads> "
- << "[time = 60s] [fen positions file = default] "
- << "[time, depth or node limited = time]" << endl;
- else
- {
- 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 " << engine_authors() << endl;
- // Print copyright notice
- cout << engine_name() << ". Copyright (C) "
- << "2004-2009 Tord Romstad, Marco Costalba. " << endl;
+ if (CpuHasPOPCNT)
+ cout << "Good! CPU has hardware POPCNT." << endl;
- // Enter UCI mode
- uci_main_loop();
+ // Enter the UCI loop waiting for input
+ uci_loop();
+ }
+ else if (string(argv[1]) == "bench" && argc < 8)
+ benchmark(argc, argv);
+ else
+ cout << "Usage: stockfish bench [hash size = 128] [threads = 1] "
+ << "[limit = 12] [fen positions file = default] "
+ << "[limited by depth, time, nodes or perft = depth]" << endl;
+
+ Threads.exit();
return 0;
}