X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmisc.h;h=ddd05e4e13d56dc67a829cbf08bc07504e945505;hp=cea80fdad2f77d95cff6e06068f0b4a412a60d21;hb=dc243a3c880d0a736fb93848cf56e3221e07f8a3;hpb=9742fb10fd83e82ad760e4cac5cef3d6dff670ed diff --git a/src/misc.h b/src/misc.h index cea80fda..ddd05e4e 100644 --- a/src/misc.h +++ b/src/misc.h @@ -1,7 +1,8 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2016 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2015-2019 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 @@ -30,7 +31,7 @@ const std::string engine_info(bool to_uci = false); void prefetch(void* addr); -void start_logger(bool b); +void start_logger(const std::string& fname); void dbg_hit_on(bool b); void dbg_hit_on(bool c, bool b); @@ -39,6 +40,8 @@ void dbg_print(); typedef std::chrono::milliseconds::rep TimePoint; // A value in milliseconds +static_assert(sizeof(TimePoint) == sizeof(int64_t), "TimePoint should be 64 bits"); + inline TimePoint now() { return std::chrono::duration_cast (std::chrono::steady_clock::now().time_since_epoch()).count(); @@ -49,7 +52,7 @@ struct HashTable { Entry* operator[](Key key) { return &table[(uint32_t)key & (Size - 1)]; } private: - std::vector table = std::vector(Size); + std::vector table = std::vector(Size); // Allocate on the heap }; @@ -96,4 +99,15 @@ 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