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) 2015-2020 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
#include "pawns.h"
#include "position.h"
#include "search.h"
-#include "thread_win32.h"
+#include "thread_win32_osx.h"
/// Thread class keeps together all the thread-related stuff. We use
class Thread {
- Mutex mutex;
- ConditionVariable cv;
+ std::mutex mutex;
+ std::condition_variable cv;
size_t idx;
bool exit = false, searching = true; // Set before starting std::thread
- std::thread stdThread;
+ NativeThread stdThread;
public:
explicit Thread(size_t);
void idle_loop();
void start_searching();
void wait_for_search_finished();
+ int best_move_count(Move move) const;
Pawns::Table pawnsTable;
Material::Table materialTable;
- Endgames endgames;
size_t pvIdx, pvLast;
+ uint64_t ttHitAverage;
int selDepth, nmpMinPly;
Color nmpColor;
- std::atomic<uint64_t> nodes, tbHits;
+ std::atomic<uint64_t> nodes, tbHits, bestMoveChanges;
Position rootPos;
Search::RootMoves rootMoves;
Depth rootDepth, completedDepth;
CounterMoveHistory counterMoves;
ButterflyHistory mainHistory;
+ LowPlyHistory lowPlyHistory;
CapturePieceToHistory captureHistory;
- ContinuationHistory continuationHistory;
+ ContinuationHistory continuationHistory[2][2];
Score contempt;
};
void search() override;
void check_time();
- double bestMoveChanges, previousTimeReduction;
+ double previousTimeReduction;
Value previousScore;
+ Value iterValue[4];
int callsCnt;
bool stopOnPonderhit;
std::atomic_bool ponder;
uint64_t nodes_searched() const { return accumulate(&Thread::nodes); }
uint64_t tb_hits() const { return accumulate(&Thread::tbHits); }
- std::atomic_bool stop;
+ std::atomic_bool stop, increaseDepth;
private:
StateListPtr setupStates;