Rewrite link time optimization in Makefile

[stockfish] / src / tt.cpp

diff --git a/src/tt.cpp b/src/tt.cpp
index d18b512cd429f8a161c583de962e1a68ef4964b3..b2701ef0d2c7688b6dd12a03da5afc8f090aa005 100644 (file)
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -17,7 +17,6 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include <cassert>
 #include <cstring>
 #include <iostream>
 
@@ -60,7 +59,7 @@ void TranspositionTable::set_size(size_t mbSize) {
   if (!entries)
   {
       std::cerr << "Failed to allocate " << mbSize
-                << " MB for transposition table." << std::endl;
+                << "MB for transposition table." << std::endl;
       exit(EXIT_FAILURE);
   }
   clear();
@@ -107,7 +106,7 @@ void TranspositionTable::store(const Key posKey, Value v, ValueType t, Depth d,
 
       // Implement replace strategy
       c1 = (replace->generation() == generation ?  2 : 0);
-      c2 = (tte->generation() == generation ? -2 : 0);
+      c2 = (tte->generation() == generation || tte->type() == VALUE_TYPE_EXACT ? -2 : 0);
       c3 = (tte->depth() < replace->depth() ?  1 : 0);
 
       if (c1 + c2 + c3 > 0)
@@ -117,11 +116,11 @@ void TranspositionTable::store(const Key posKey, Value v, ValueType t, Depth d,
 }
 
 
-/// TranspositionTable::retrieve() looks up the current position in the
+/// TranspositionTable::probe() looks up the current position in the
 /// transposition table. Returns a pointer to the TTEntry or NULL if
 /// position is not found.
 
-TTEntry* TranspositionTable::retrieve(const Key posKey) const {
+TTEntry* TranspositionTable::probe(const Key posKey) const {
 
   uint32_t posKey32 = posKey >> 32;
   TTEntry* tte = first_entry(posKey);