X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fthread.h;h=aa9db2f3633f498b62eee58771fd9e43a9d0cd2a;hb=487c21b1aa64dcc09dd95b845a66f39ae3c3754e;hp=2b1f92b209290529abb627c9dd9319b06d328fd1;hpb=fe124896b241b4791454fd151da10101ad48f6d7;p=stockfish diff --git a/src/thread.h b/src/thread.h index 2b1f92b2..aa9db2f3 100644 --- a/src/thread.h +++ b/src/thread.h @@ -1,8 +1,6 @@ /* 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) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad + Copyright (C) 2004-2023 The Stockfish developers (see AUTHORS file) Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -27,13 +25,12 @@ #include #include -#include "material.h" #include "movepick.h" -#include "pawns.h" #include "position.h" #include "search.h" #include "thread_win32_osx.h" +namespace Stockfish { /// Thread class keeps together all the thread-related stuff. We use /// per-thread pawn and material hash tables so that once we get a @@ -56,24 +53,22 @@ public: void idle_loop(); void start_searching(); void wait_for_search_finished(); - int best_move_count(Move move); + size_t id() const { return idx; } - Pawns::Table pawnsTable; - Material::Table materialTable; size_t pvIdx, pvLast; - uint64_t ttHitAverage; - int selDepth, nmpMinPly; - Color nmpColor; std::atomic nodes, tbHits, bestMoveChanges; + int selDepth, nmpMinPly; + Value bestValue, optimism[COLOR_NB]; Position rootPos; + StateInfo rootState; Search::RootMoves rootMoves; Depth rootDepth, completedDepth; + Value rootDelta; CounterMoveHistory counterMoves; ButterflyHistory mainHistory; CapturePieceToHistory captureHistory; ContinuationHistory continuationHistory[2][2]; - Score contempt; }; @@ -87,7 +82,9 @@ struct MainThread : public Thread { void check_time(); double previousTimeReduction; - Value previousScore; + Value bestPreviousScore; + Value bestPreviousAverageScore; + Value iterValue[4]; int callsCnt; bool stopOnPonderhit; std::atomic_bool ponder; @@ -98,25 +95,36 @@ struct MainThread : public Thread { /// parking and, most importantly, launching a thread. All the access to threads /// is done through this class. -struct ThreadPool : public std::vector { +struct ThreadPool { void start_thinking(Position&, StateListPtr&, const Search::LimitsType&, bool = false); void clear(); void set(size_t); - MainThread* main() const { return static_cast(front()); } + MainThread* main() const { return static_cast(threads.front()); } uint64_t nodes_searched() const { return accumulate(&Thread::nodes); } uint64_t tb_hits() const { return accumulate(&Thread::tbHits); } + Thread* get_best_thread() const; + void start_searching(); + void wait_for_search_finished() const; - std::atomic_bool stop; + std::atomic_bool stop, increaseDepth; + + auto cbegin() const noexcept { return threads.cbegin(); } + auto begin() noexcept { return threads.begin(); } + auto end() noexcept { return threads.end(); } + auto cend() const noexcept { return threads.cend(); } + auto size() const noexcept { return threads.size(); } + auto empty() const noexcept { return threads.empty(); } private: StateListPtr setupStates; + std::vector threads; uint64_t accumulate(std::atomic Thread::* member) const { uint64_t sum = 0; - for (Thread* th : *this) + for (Thread* th : threads) sum += (th->*member).load(std::memory_order_relaxed); return sum; } @@ -124,4 +132,6 @@ private: extern ThreadPool Threads; +} // namespace Stockfish + #endif // #ifndef THREAD_H_INCLUDED