Revert "Cache line aligned TT"

[stockfish] / src / tt.h

diff --git a/src/tt.h b/src/tt.h
index 3484f0eb46163895d9dca72b47a70bd6e6fa5453..c7c39e90cc9918d3cddb8611a12d8e66ffbf63a8 100644 (file)
--- 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
@@ -85,7 +85,7 @@ class TranspositionTable {
   static const unsigned ClusterSize = 4; // A cluster is 64 Bytes
 
 public:
- ~TranspositionTable() { delete [] entries; }
+ ~TranspositionTable() { delete [] table; }
   void new_search() { generation++; }
 
   TTEntry* probe(const Key key) const;
@@ -96,8 +96,8 @@ public:
   void store(const Key key, Value v, Bound type, Depth d, Move m, Value statV, Value kingD);
 
 private:
-  size_t size;
-  TTEntry* entries;
+  uint32_t hashMask;
+  TTEntry* table;
   uint8_t generation; // Size must be not bigger then TTEntry::generation8
 };
 
@@ -110,7 +110,7 @@ extern TranspositionTable TT;
 
 inline TTEntry* TranspositionTable::first_entry(const Key key) const {
 
-  return entries + ((uint32_t)key & (size - 1)) * ClusterSize;
+  return table + ((uint32_t)key & hashMask);
 }