- Changed the growth policy for hash tables to reduce the wasted memory....

src/objects.cc

Index: src/objects.cc
===================================================================
--- src/objects.cc	(revision 3993)
+++ src/objects.cc	(working copy)
@@ -6945,9 +6945,9 @@
   int nof = NumberOfElements() + n;
   int nod = NumberOfDeletedElements();
   // Return if:
-  //   50% is still free after adding n elements and
+  //   25% is still free after adding n elements and
   //   at most 50% of the free elements are deleted elements.
-  if ((nof + (nof >> 1) <= capacity) &&
+  if ((nof + (nof >> 2) <= capacity) &&
       (nod <= (capacity - nof) >> 1)) return this;
 
   Object* obj = Allocate(nof * 2);