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https://github.com/sockspls/badfish
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4e5d834e8e
With this patch series we want to introduce a per-thread evaluation cache to store node evaluation and do not rely anymore on the TT table for this. This patch just introduces the infrastructure. No functional change.
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/*
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Stockfish, a UCI chess playing engine derived from Glaurung 2.1
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Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
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Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad
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Stockfish is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Stockfish is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined(EVALUATE_H_INCLUDED)
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#define EVALUATE_H_INCLUDED
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#include "misc.h"
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#include "types.h"
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class Position;
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namespace Eval {
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extern void init();
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extern Value evaluate(const Position& pos, Value& margin);
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extern std::string trace(const Position& pos);
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const int TableSize = 262144;
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struct Entry {
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Key key;
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Value value;
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int16_t margins[2];
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};
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struct Table : HashTable<Entry, TableSize> {};
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}
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#endif // !defined(EVALUATE_H_INCLUDED)
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