Set maximum hash table size to 2GB

We cannot allocate more then 2 GB, so let the limit
reflect this.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>

diff --git a/src/tt.cpp b/src/tt.cpp
index a8aa1b6574604d48fb91a513a066e6dedbaec0ae..1b2ae720dbe60a43826e82f457ff5254a1c0fb35 100644 (file)
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -55,7 +55,7 @@ TranspositionTable::~TranspositionTable() {
 
 void TranspositionTable::set_size(unsigned mbSize) {
 
-  assert(mbSize >= 4 && mbSize <= 4096);
+  assert(mbSize >= 4 && mbSize <= 2048);
 
   unsigned newSize = 1024;
 

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 2185edf07c881ab6fe694fa6d2cfc5a44f6f9742..c99644f2c37641f82d590d67084eb89319446155 100644 (file)
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -123,7 +123,7 @@ namespace {
     o["Minimum Split Depth"] = Option(4, 4, 7);
     o["Maximum Number of Threads per Split Point"] = Option(5, 4, 8);
     o["Threads"] = Option(1, 1, 8);
-    o["Hash"] = Option(32, 4, 4096);
+    o["Hash"] = Option(32, 4, 2048);
     o["Clear Hash"] = Option(false, BUTTON);
     o["New Game"] = Option(false, BUTTON);
     o["Ponder"] = Option(true);