X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmisc.h;h=b63e613fc80f3d182af41e35bfb17a3208b01e55;hp=28bf045255ccd8b6aae115020ce285cc4fafb651;hb=bf485f4affc37cd408a65b66b8a3aad059bad5f3;hpb=098f645d26675bcf2180b290be77fe64a63de3ae diff --git a/src/misc.h b/src/misc.h index 28bf0452..b63e613f 100644 --- a/src/misc.h +++ b/src/misc.h @@ -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) 2015-2017 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 @@ -21,6 +22,7 @@ #define MISC_H_INCLUDED #include +#include #include #include #include @@ -29,20 +31,21 @@ const std::string engine_info(bool to_uci = false); void prefetch(void* addr); -void start_logger(bool b); +void prefetch2(void* addr); +void start_logger(const std::string& fname); void dbg_hit_on(bool b); void dbg_hit_on(bool c, bool b); void dbg_mean_of(int v); void dbg_print(); +typedef std::chrono::milliseconds::rep TimePoint; // A value in milliseconds -namespace Time { - typedef int64_t point; - point now(); +inline TimePoint now() { + return std::chrono::duration_cast + (std::chrono::steady_clock::now().time_since_epoch()).count(); } - template struct HashTable { Entry* operator[](Key key) { return &table[(uint32_t)key & (Size - 1)]; } @@ -95,4 +98,15 @@ public: { return T(rand64() & rand64() & rand64()); } }; + +/// Under Windows it is not possible for a process to run on more than one +/// logical processor group. This usually means to be limited to use max 64 +/// cores. To overcome this, some special platform specific API should be +/// called to set group affinity for each thread. Original code from Texel by +/// Peter Österlund. + +namespace WinProcGroup { + void bindThisThread(size_t idx); +} + #endif // #ifndef MISC_H_INCLUDED