/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008 Marco Costalba
+ Copyright (C) 2008-2009 Marco Costalba
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
TTEntry* retrieve(const Key posKey) const;
void new_search();
void insert_pv(const Position& pos, Move pv[]);
+ void extract_pv(const Position& pos, Move pv[]);
int full() const;
private:
inline TTEntry* first_entry(const Key posKey) const;
- unsigned size, writes;
+ // Be sure 'writes' is at least one cacheline away
+ // from read only variables.
+ unsigned char pad_before[64 - sizeof(unsigned)];
+ unsigned writes; // heavy SMP read/write access here
+ unsigned char pad_after[64];
+
+ unsigned size;
TTEntry* entries;
uint8_t generation;
};