X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftt.h;h=03147bf1a8f5aadb8deb0162902b023d0c574c32;hp=daa66c333e3488c8428a406680e9f73438a58f10;hb=f2e78d9f841b53b8d512ad2687ff982cf841df58;hpb=c13b53a5144163a81d214fb72733b3400b2da002 diff --git a/src/tt.h b/src/tt.h index daa66c33..03147bf1 100644 --- a/src/tt.h +++ b/src/tt.h @@ -104,7 +104,7 @@ public: void set_size(size_t mbSize); void clear(); void store(const Key posKey, Value v, ValueType type, Depth d, Move m, Value statV, Value kingD); - TTEntry* retrieve(const Key posKey) const; + TTEntry* probe(const Key posKey) const; void new_search(); TTEntry* first_entry(const Key posKey) const; void refresh(const TTEntry* tte) const; @@ -142,19 +142,20 @@ inline void TranspositionTable::refresh(const TTEntry* tte) const { /// Without cluster concept or overwrite policy. template -class SimpleHash { +struct SimpleHash { - SimpleHash(const SimpleHash&); - SimpleHash& operator=(const SimpleHash&); + typedef SimpleHash Base; -public: - SimpleHash() { + void init() { + + if (entries) + return; entries = new (std::nothrow) Entry[HashSize]; if (!entries) { std::cerr << "Failed to allocate " << HashSize * sizeof(Entry) - << " bytes for material hash table." << std::endl; + << " bytes for hash table." << std::endl; exit(EXIT_FAILURE); } memset(entries, 0, HashSize * sizeof(Entry)); @@ -162,8 +163,8 @@ public: virtual ~SimpleHash() { delete [] entries; } - Entry* find(Key key) const { return entries + ((uint32_t)key & (HashSize - 1)); } - void prefetch(Key key) const { ::prefetch((char*)find(key)); } + Entry* probe(Key key) const { return entries + ((uint32_t)key & (HashSize - 1)); } + void prefetch(Key key) const { ::prefetch((char*)probe(key)); } protected: Entry* entries;