Introduce bonus for queen infiltration

[stockfish] / src / tt.h

diff --git a/src/tt.h b/src/tt.h
index 8b70f79787619ca4c1b6326f55cfa456a2dcf04f..3e1d0e998274cc6e8f96d2b9ca364350fb330b99 100644 (file)
--- a/src/tt.h
+++ b/src/tt.h
@@ -75,16 +75,15 @@ class TranspositionTable {
   static_assert(sizeof(Cluster) == 32, "Unexpected Cluster size");
 
 public:
- ~TranspositionTable() { free(mem); }
+ ~TranspositionTable() { aligned_ttmem_free(mem); }
   void new_search() { generation8 += 8; } // Lower 3 bits are used by PV flag and Bound
   TTEntry* probe(const Key key, bool& found) const;
   int hashfull() const;
   void resize(size_t mbSize);
   void clear();
 
-  // The 32 lowest order bits of the key are used to get the index of the cluster
   TTEntry* first_entry(const Key key) const {
-    return &table[(uint32_t(key) * uint64_t(clusterCount)) >> 32].entry[0];
+    return &table[mul_hi64(key, clusterCount)].entry[0];
   }
 
 private: