X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmisc.cpp;h=a3b1b0324c8ee20357fb515294696d9b9befb240;hp=679e38affcd3df915f97f5d2af1fd3ed71962957;hb=3b906ffc2765856948f1baac5ceb5209fe4380e2;hpb=ad43ce143664953087b44dd3b4324f77c212bd46 diff --git a/src/misc.cpp b/src/misc.cpp index 679e38af..a3b1b032 100644 --- a/src/misc.cpp +++ b/src/misc.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) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2012 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 @@ -17,7 +17,7 @@ along with this program. If not, see . */ -#if defined(_MSC_VER) +#if defined(_WIN32) || defined(_WIN64) #define _CRT_SECURE_NO_DEPRECATE #define NOMINMAX // disable macros min() and max() @@ -39,25 +39,21 @@ # include #endif -#include -#include +#include #include #include #include -#include -#include "bitcount.h" #include "misc.h" #include "thread.h" 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. static const string Version = ""; -static const string Tag = ""; +static const string Tag = ""; /// engine_info() returns the full name of the current Stockfish version. @@ -93,50 +89,31 @@ const string engine_info(bool to_uci) { } -/// Debug stuff. Helper functions used mainly for debugging purposes - -static uint64_t dbg_hit_cnt0; -static uint64_t dbg_hit_cnt1; -static uint64_t dbg_mean_cnt0; -static uint64_t dbg_mean_cnt1; +/// Debug functions used mainly to collect run-time statistics -void dbg_print_hit_rate() { +static uint64_t hits[2], means[2]; - if (dbg_hit_cnt0) - cerr << "Total " << dbg_hit_cnt0 << " Hit " << dbg_hit_cnt1 - << " hit rate (%) " << 100 * dbg_hit_cnt1 / dbg_hit_cnt0 << endl; -} - -void dbg_print_mean() { - - if (dbg_mean_cnt0) - cerr << "Total " << dbg_mean_cnt0 << " Mean " - << (float)dbg_mean_cnt1 / dbg_mean_cnt0 << endl; -} - -void dbg_mean_of(int v) { +void dbg_hit_on(bool b) { hits[0]++; if (b) hits[1]++; } +void dbg_hit_on_c(bool c, bool b) { if (c) dbg_hit_on(b); } +void dbg_mean_of(int v) { means[0]++; means[1] += v; } - dbg_mean_cnt0++; - dbg_mean_cnt1 += v; -} +void dbg_print() { -void dbg_hit_on(bool b) { + if (hits[0]) + cerr << "Total " << hits[0] << " Hits " << hits[1] + << " hit rate (%) " << 100 * hits[1] / hits[0] << endl; - dbg_hit_cnt0++; - if (b) - dbg_hit_cnt1++; + if (means[0]) + cerr << "Total " << means[0] << " Mean " + << (float)means[1] / means[0] << endl; } -void dbg_hit_on_c(bool c, bool b) { if (c) dbg_hit_on(b); } -void dbg_before() { dbg_hit_on(false); } -void dbg_after() { dbg_hit_on(true); dbg_hit_cnt0--; } - /// system_time() returns the current system time, measured in milliseconds int system_time() { -#if defined(_MSC_VER) +#if defined(_WIN32) || defined(_WIN64) struct _timeb t; _ftime(&t); return int(t.time * 1000 + t.millitm); @@ -152,7 +129,7 @@ int system_time() { int cpu_count() { -#if defined(_MSC_VER) +#if defined(_WIN32) || defined(_WIN64) SYSTEM_INFO s; GetSystemInfo(&s); return std::min(int(s.dwNumberOfProcessors), MAX_THREADS); @@ -176,9 +153,9 @@ int cpu_count() { /// timed_wait() waits for msec milliseconds. It is mainly an helper to wrap /// conversion from milliseconds to struct timespec, as used by pthreads. -void timed_wait(WaitCondition* sleepCond, Lock* sleepLock, int msec) { +void timed_wait(WaitCondition& sleepCond, Lock& sleepLock, int msec) { -#if defined(_MSC_VER) +#if defined(_WIN32) || defined(_WIN64) int tm = msec; #else struct timeval t; @@ -211,11 +188,11 @@ void prefetch(char*) {} void prefetch(char* addr) { -#if defined(__INTEL_COMPILER) || defined(__ICL) +# if defined(__INTEL_COMPILER) || defined(__ICL) // This hack prevents prefetches to be optimized away by // Intel compiler. Both MSVC and gcc seems not affected. __asm__ (""); -#endif +# endif _mm_prefetch(addr, _MM_HINT_T2); _mm_prefetch(addr+64, _MM_HINT_T2); // 64 bytes ahead