X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmisc.cpp;h=e2f101ab5a03e4ff7b3fc6bad60609bfebec872d;hp=aa2b23310da53ffd558bc41c4d62ece3c3dd8d33;hb=77fa960f8923ca83ba0391835d50f4230ac6a345;hpb=170bdf40cd47f7f3a601107fae0a32667a9d72a9 diff --git a/src/misc.cpp b/src/misc.cpp index aa2b2331..e2f101ab 100644 --- a/src/misc.cpp +++ b/src/misc.cpp @@ -2,6 +2,7 @@ Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, 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 @@ -33,41 +34,37 @@ namespace { /// DD-MM-YY and show in engine_info. const string Version = ""; -/// Debug counters -int64_t hits[2], means[2]; - /// Our fancy logging facility. The trick here is to replace cin.rdbuf() and /// cout.rdbuf() with two Tie objects that tie cin and cout to a file stream. We /// can toggle the logging of std::cout and std:cin at runtime whilst preserving -/// usual i/o functionality, all without changing a single line of code! +/// usual I/O functionality, all without changing a single line of code! /// Idea from http://groups.google.com/group/comp.lang.c++/msg/1d941c0f26ea0d81 -struct Tie: public streambuf { // MSVC requires splitted streambuf for cin and cout +struct Tie: public streambuf { // MSVC requires split streambuf for cin and cout - Tie(streambuf* b, ofstream* f) : buf(b), file(f) {} + Tie(streambuf* b, streambuf* l) : buf(b), logBuf(l) {} - int sync() { return file->rdbuf()->pubsync(), buf->pubsync(); } + int sync() { return logBuf->pubsync(), buf->pubsync(); } int overflow(int c) { return log(buf->sputc((char)c), "<< "); } int underflow() { return buf->sgetc(); } int uflow() { return log(buf->sbumpc(), ">> "); } - streambuf* buf; - ofstream* file; + streambuf *buf, *logBuf; int log(int c, const char* prefix) { - static int last = '\n'; + static int last = '\n'; // Single log file if (last == '\n') - file->rdbuf()->sputn(prefix, 3); + logBuf->sputn(prefix, 3); - return last = file->rdbuf()->sputc((char)c); + return last = logBuf->sputc((char)c); } }; class Logger { - Logger() : in(cin.rdbuf(), &file), out(cout.rdbuf(), &file) {} + Logger() : in(cin.rdbuf(), file.rdbuf()), out(cout.rdbuf(), file.rdbuf()) {} ~Logger() { start(false); } ofstream file; @@ -80,7 +77,7 @@ public: if (b && !l.file.is_open()) { - l.file.open("io_log.txt", ifstream::out | ifstream::app); + l.file.open("io_log.txt", ifstream::out); cin.rdbuf(&l.in); cout.rdbuf(&l.out); } @@ -117,13 +114,14 @@ const string engine_info(bool to_uci) { ss << (Is64Bit ? " 64" : "") << (HasPext ? " BMI2" : (HasPopCnt ? " POPCNT" : "")) << (to_uci ? "\nid author ": " by ") - << "Tord Romstad, Marco Costalba and Joona Kiiski"; + << "T. Romstad, M. Costalba, J. Kiiski, G. Linscott"; return ss.str(); } /// Debug functions used mainly to collect run-time statistics +static int64_t hits[2], means[2]; void dbg_hit_on(bool b) { ++hits[0]; if (b) ++hits[1]; } void dbg_hit_on(bool c, bool b) { if (c) dbg_hit_on(b); } @@ -162,35 +160,16 @@ std::ostream& operator<<(std::ostream& os, SyncCout sc) { void start_logger(bool b) { Logger::start(b); } -/// timed_wait() waits for msec milliseconds. It is mainly a helper to wrap -/// the conversion from milliseconds to struct timespec, as used by pthreads. - -void timed_wait(WaitCondition& sleepCond, Lock& sleepLock, int msec) { - -#ifdef _WIN32 - int tm = msec; -#else - timespec ts, *tm = &ts; - uint64_t ms = Time::now() + msec; - - ts.tv_sec = ms / 1000; - ts.tv_nsec = (ms % 1000) * 1000000LL; -#endif - - cond_timedwait(sleepCond, sleepLock, tm); -} - - /// prefetch() preloads the given address in L1/L2 cache. This is a non-blocking /// function that doesn't stall the CPU waiting for data to be loaded from memory, /// which can be quite slow. #ifdef NO_PREFETCH -void prefetch(char*) {} +void prefetch(void*) {} #else -void prefetch(char* addr) { +void prefetch(void* addr) { # if defined(__INTEL_COMPILER) // This hack prevents prefetches from being optimized away by @@ -199,7 +178,7 @@ void prefetch(char* addr) { # endif # if defined(__INTEL_COMPILER) || defined(_MSC_VER) - _mm_prefetch(addr, _MM_HINT_T0); + _mm_prefetch((char*)addr, _MM_HINT_T0); # else __builtin_prefetch(addr); # endif