X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftt.cpp;h=998d73783be003e8deb2567695e51527a7657bf3;hp=80ea493bd9c68e3593936bc7bee7a101c195a0de;hb=083fe5812485597e13943b690cc24a8f25c0d140;hpb=e508494a9985a5d54e77df694e8f160bb3346de3

diff --git a/src/tt.cpp b/src/tt.cpp
index 80ea493b..998d7378 100644
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -39,18 +39,18 @@ void TranspositionTable::set_size(size_t mbSize) {
   if (hashMask == size - ClusterSize)
       return;
 
-  hashMask = size - ClusterSize;
-  delete [] table;
-  table = new (std::nothrow) TTEntry[size];
-
-  if (!table)
+  free(mem);
+  mem = malloc(size * sizeof(TTEntry) + (CACHE_LINE_SIZE - 1));
+  if (!mem)
   {
       std::cerr << "Failed to allocate " << mbSize
                 << "MB for transposition table." << std::endl;
       exit(EXIT_FAILURE);
   }
 
-  clear(); // Operator new is not guaranteed to initialize memory to zero
+  table = (TTEntry*)((size_t(mem) + CACHE_LINE_SIZE - 1) & ~(CACHE_LINE_SIZE - 1));
+  hashMask = size - ClusterSize;
+  clear(); // Newly allocated block of memory is not initialized
 }