X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftt.h;h=5f34957c95e5e4414ecc8e7490f9ed249815ef53;hp=2db19c89aab0e13610fd21f3fc27b21bc7b40b0b;hb=b2fadf32aa57012f2140bc32d5f2433efae3e730;hpb=5a156df719790ddd882a928ddf721f8ba81587b1 diff --git a/src/tt.h b/src/tt.h index 2db19c89..5f34957c 100644 --- a/src/tt.h +++ b/src/tt.h @@ -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) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2013 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 @@ -23,23 +23,16 @@ #include "misc.h" #include "types.h" -/// The TTEntry is the class of transposition table entries +/// The TTEntry is the 128 bit transposition table entry, defined as below: /// -/// A TTEntry needs 128 bits to be stored -/// -/// bit 0-31: key -/// bit 32-63: data -/// bit 64-79: value -/// bit 80-95: depth -/// bit 96-111: static value -/// bit 112-127: margin of static value -/// -/// the 32 bits of the data field are so defined -/// -/// bit 0-15: move -/// bit 16-20: not used -/// bit 21-22: value type -/// bit 23-31: generation +/// key: 32 bit +/// move: 16 bit +/// bound type: 8 bit +/// generation: 8 bit +/// value: 16 bit +/// depth: 16 bit +/// static value: 16 bit +/// static margin: 16 bit class TTEntry { @@ -85,7 +78,7 @@ class TranspositionTable { static const unsigned ClusterSize = 4; // A cluster is 64 Bytes public: - ~TranspositionTable() { delete [] table; } + ~TranspositionTable() { free(mem); } void new_search() { generation++; } TTEntry* probe(const Key key) const; @@ -98,6 +91,7 @@ public: private: uint32_t hashMask; TTEntry* table; + void* mem; uint8_t generation; // Size must be not bigger then TTEntry::generation8 };