Depth depth() const { return (Depth)depth8; }
Bound bound() const { return (Bound)(genBound8 & 0x3); }
+ void save(Key k, Value v, Bound b, Depth d, Move m, Value ev, uint8_t g) {
+
+ k >>= 48;
+ if (m || k != key16) // preserve any existing ttMove
+ move16 = (uint16_t)m;
+ key16 = (uint16_t)k;
+ value16 = (int16_t)v;
+ evalValue = (int16_t)ev;
+ genBound8 = (uint8_t)(g | b);
+ depth8 = (int8_t)d;
+ }
+
private:
friend class TranspositionTable;
- void save(uint16_t k, Value v, Bound b, Depth d, Move m, uint8_t g, Value ev) {
-
- key16 = (uint16_t)k;
- move16 = (uint16_t)m;
- value16 = (int16_t)v;
- evalValue = (int16_t)ev;
- genBound8 = (uint8_t)(g | b);
- depth8 = (int8_t)d;
- }
-
uint16_t key16;
uint16_t move16;
int16_t value16;
/// 3 x TTEntry (3 x 10 bytes)
/// padding (2 bytes)
-const unsigned TTClusterSize = 3;
+static const unsigned TTClusterSize = 3;
struct TTCluster {
TTEntry entry[TTClusterSize];
public:
~TranspositionTable() { free(mem); }
void new_search() { generation += 4; } // Lower 2 bits are used by Bound
-
- const TTEntry* probe(const Key key) const;
+ uint8_t get_generation() const { return generation; }
+ TTEntry* probe(const Key key, bool& found) const;
TTEntry* first_entry(const Key key) const;
void resize(size_t mbSize);
void clear();
- void store(const Key key, Value v, Bound type, Depth d, Move m, Value statV);
private:
size_t clusterCount;