X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftt.cpp;h=935336dac3c7354e23c878fd1ba62d1a22adf72a;hp=1b2ae720dbe60a43826e82f457ff5254a1c0fb35;hb=426f55b78d8d83ad779772dc46ad4f645177c4c4;hpb=3dc9f952253050627ca3fa14302a3edb4f991d32 diff --git a/src/tt.cpp b/src/tt.cpp index 1b2ae720..935336da 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) 2008-2009 Marco Costalba + Copyright (C) 2008-2010 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 @@ -25,7 +25,9 @@ #include #include #include -#include +#if !defined(__hpux) +# include +#endif #include "movegen.h" #include "tt.h" @@ -53,11 +55,9 @@ TranspositionTable::~TranspositionTable() { /// TranspositionTable::set_size sets the size of the transposition table, /// measured in megabytes. -void TranspositionTable::set_size(unsigned mbSize) { - - assert(mbSize >= 4 && mbSize <= 2048); +void TranspositionTable::set_size(size_t mbSize) { - unsigned newSize = 1024; + size_t newSize = 1024; // We store a cluster of ClusterSize number of TTEntry for each position // and newSize is the maximum number of storable positions. @@ -169,11 +169,14 @@ TTEntry* TranspositionTable::retrieve(const Key posKey) const { /// to be loaded from RAM, that can be very slow. When we will /// subsequently call retrieve() the TT data will be already /// quickly accessible in L1/L2 CPU cache. +#if defined(__hpux) +void TranspositionTable::prefetch(const Key) const {} // Not supported on HP UX +#else void TranspositionTable::prefetch(const Key posKey) const { #if defined(__INTEL_COMPILER) || defined(__ICL) - // This hack prevents prefetches to be optimized away by the + // This hack prevents prefetches to be optimized away by // Intel compiler. Both MSVC and gcc seems not affected. __asm__ (""); #endif @@ -183,6 +186,7 @@ void TranspositionTable::prefetch(const Key posKey) const { _mm_prefetch(addr+64, _MM_HINT_T2); // 64 bytes ahead } +#endif /// TranspositionTable::new_search() is called at the beginning of every new /// search. It increments the "generation" variable, which is used to