X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmisc.h;h=1112090bcc8e14cc29f88b14d76d3d710440d0ca;hp=965a0ee8444e7be4a05adcb7fa123f649ef10487;hb=2af2c67650c4ac2531e6ab2753830f91c0999876;hpb=42b48b08e81b55e385e55b3074b7c59d81809a45 diff --git a/src/misc.h b/src/misc.h index 965a0ee8..1112090b 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) 2015-2018 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 @@ -28,29 +30,30 @@ #include "types.h" const std::string engine_info(bool to_uci = false); -void timed_wait(WaitCondition&, Lock&, int); -void prefetch(char* addr); -void start_logger(bool b); +void prefetch(void* addr); +void prefetch2(void* addr); +void start_logger(const std::string& fname); void dbg_hit_on(bool b); -void dbg_hit_on_c(bool c, 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; - inline point now() { return system_time_to_msec(); } -} +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(); +} template struct HashTable { - HashTable() : table(Size, Entry()) {} Entry* operator[](Key key) { return &table[(uint32_t)key & (Size - 1)]; } private: - std::vector table; + std::vector table = std::vector(Size); }; @@ -97,4 +100,15 @@ 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