/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2008-2013 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
using namespace std;
/// Version number. If Version is left empty, then Tag plus current
-/// date (in the format YYMMDD) is used as a version number.
+/// date, in the format DD-MM-YY, are used as a version number.
-static const string Version = "2.3";
+static const string Version = "";
static const string Tag = "";
-/// engine_info() returns the full name of the current Stockfish version.
-/// This will be either "Stockfish YYMMDD" (where YYMMDD is the date when
-/// the program was compiled) or "Stockfish <version number>", depending
-/// on whether Version is empty.
+/// engine_info() returns the full name of the current Stockfish version. This
+/// will be either "Stockfish <Tag> DD-MM-YY" (where DD-MM-YY is the date when
+/// the program was compiled) or "Stockfish <Version>", depending on whether
+/// Version is empty.
const string engine_info(bool to_uci) {
const string months("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec");
- const string cpu64(Is64Bit ? " 64bit" : "");
- const string popcnt(HasPopCnt ? " SSE4.2" : "");
-
string month, day, year;
stringstream s, date(__DATE__); // From compiler, format is "Sep 21 2008"
{
date >> month >> day >> year;
- s << Tag << setfill('0') << " " << year.substr(2)
- << setw(2) << (1 + months.find(month) / 4) << setw(2) << day;
+ s << Tag << string(Tag.empty() ? "" : " ") << setfill('0') << setw(2) << day
+ << setw(2) << (1 + months.find(month) / 4) << year.substr(2);
}
- s << cpu64 << popcnt << (to_uci ? "\nid author ": " by ")
+ s << (Is64Bit ? " 64" : "")
+ << (HasPopCnt ? " SSE4.2" : "")
+ << (to_uci ? "\nid author ": " by ")
<< "Tord Romstad, Marco Costalba and Joona Kiiski";
return s.str();
int cpu_count() {
-#if defined(_WIN32) || defined(_WIN64)
+#if defined(_WIN32)
SYSTEM_INFO s;
GetSystemInfo(&s);
return s.dwNumberOfProcessors;
void timed_wait(WaitCondition& sleepCond, Lock& sleepLock, int msec) {
-#if defined(_WIN32) || defined(_WIN64)
+#if defined(_WIN32)
int tm = msec;
#else
timespec ts, *tm = &ts;
#else
-# include <xmmintrin.h>
-
void prefetch(char* addr) {
-# if defined(__INTEL_COMPILER) || defined(__ICL)
+# if defined(__INTEL_COMPILER)
// This hack prevents prefetches to be optimized away by
// Intel compiler. Both MSVC and gcc seems not affected.
__asm__ ("");
# endif
- _mm_prefetch(addr, _MM_HINT_T2);
- _mm_prefetch(addr+64, _MM_HINT_T2); // 64 bytes ahead
+# if defined(__INTEL_COMPILER) || defined(_MSC_VER)
+ _mm_prefetch(addr, _MM_HINT_T0);
+# else
+ __builtin_prefetch(addr);
+# endif
}
#endif