- Adjust the number to string cache based on the max semispace size....

src/heap.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 802 matching lines @@
 
   static bool CreateApiObjects();
 
   // Attempt to find the number in a small cache.  If we finds it, return
   // the string representation of the number.  Otherwise return undefined.
   static Object* GetNumberStringCache(Object* number);
 
   // Update the cache with a new number-string pair.
   static void SetNumberStringCache(Object* number, String* str);
 
-  // Entries in the cache.  Must be a power of 2.
-  static const int kNumberStringCacheSize = 64;
-
   // Adjusts the amount of registered external memory.
   // Returns the adjusted value.
   static inline int AdjustAmountOfExternalAllocatedMemory(int change_in_bytes);
 
   // Allocate unitialized fixed array (pretenure == NON_TENURE).
   static Object* AllocateRawFixedArray(int length);
 
   // True if we have reached the allocation limit in the old generation that
   // should force the next GC (caused normally) to be a full one.
   static bool OldGenerationPromotionLimitReached() {
@@ skipping 255 matching lines @@
   // Initializes a function with a shared part and prototype.
   // Returns the function.
   // Note: this code was factored out of AllocateFunction such that
   // other parts of the VM could use it. Specifically, a function that creates
   // instances of type JS_FUNCTION_TYPE benefit from the use of this function.
   // Please note this does not perform a garbage collection.
   static inline Object* InitializeFunction(JSFunction* function,
                                            SharedFunctionInfo* shared,
                                            Object* prototype);
 
+
+  // Initializes the number to string cache based on the max semispace size.
+  static Object* InitializeNumberStringCache();
+  // Flush the number to string cache.
+  static void FlushNumberStringCache();
+
   static const int kInitialSymbolTableSize = 2048;
   static const int kInitialEvalCacheSize = 64;
 
   friend class Factory;
   friend class DisallowAllocationFailure;
   friend class AlwaysAllocateScope;
   friend class LinearAllocationScope;
 };
 
 
@@ skipping 562 matching lines @@
 
   // To speed up scavenge collections new space string are kept
   // separate from old space strings.
   static List<Object*> new_space_strings_;
   static List<Object*> old_space_strings_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_