X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftt.cpp;h=09a74d2d5936273b1a97d25358dd7c45ae63e5f4;hp=d18b512cd429f8a161c583de962e1a68ef4964b3;hb=25a9b601b211d0c041b483406e9160382201a487;hpb=c13b53a5144163a81d214fb72733b3400b2da002 diff --git a/src/tt.cpp b/src/tt.cpp index d18b512c..09a74d2d 100644 --- a/src/tt.cpp +++ b/src/tt.cpp @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, 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 @@ -17,7 +17,6 @@ along with this program. If not, see . */ -#include #include #include @@ -60,7 +59,7 @@ void TranspositionTable::set_size(size_t mbSize) { if (!entries) { std::cerr << "Failed to allocate " << mbSize - << " MB for transposition table." << std::endl; + << "MB for transposition table." << std::endl; exit(EXIT_FAILURE); } clear(); @@ -85,7 +84,7 @@ void TranspositionTable::clear() { /// more valuable than a TTEntry t2 if t1 is from the current search and t2 is from /// a previous search, or if the depth of t1 is bigger than the depth of t2. -void TranspositionTable::store(const Key posKey, Value v, ValueType t, Depth d, Move m, Value statV, Value kingD) { +void TranspositionTable::store(const Key posKey, Value v, Bound t, Depth d, Move m, Value statV, Value kingD) { int c1, c2, c3; TTEntry *tte, *replace; @@ -107,7 +106,7 @@ void TranspositionTable::store(const Key posKey, Value v, ValueType t, Depth d, // Implement replace strategy c1 = (replace->generation() == generation ? 2 : 0); - c2 = (tte->generation() == generation ? -2 : 0); + c2 = (tte->generation() == generation || tte->type() == BOUND_EXACT ? -2 : 0); c3 = (tte->depth() < replace->depth() ? 1 : 0); if (c1 + c2 + c3 > 0) @@ -117,11 +116,11 @@ void TranspositionTable::store(const Key posKey, Value v, ValueType t, Depth d, } -/// TranspositionTable::retrieve() looks up the current position in the +/// TranspositionTable::probe() looks up the current position in the /// transposition table. Returns a pointer to the TTEntry or NULL if /// position is not found. -TTEntry* TranspositionTable::retrieve(const Key posKey) const { +TTEntry* TranspositionTable::probe(const Key posKey) const { uint32_t posKey32 = posKey >> 32; TTEntry* tte = first_entry(posKey);