diff -r 6e1f6c9cd4ac -r 49b7545d94ab src/python/m5/stats/info.py
--- a/src/python/m5/stats/info.py	Tue Jan 29 10:28:27 2013 +0000
+++ b/src/python/m5/stats/info.py	Tue Jan 29 10:31:49 2013 +0000
@@ -946,22 +946,48 @@
     def __nonzero__(self):
         return any(self.value)
 
-    ## @brief Not implemented.
+    ## @brief Determine if two Vector2ds are equal by comparing the values.
+    # Compares the values on a per-element basis.
+    # @return True if non equal, False otherwise.
     def __eq__(self, other):
-        return True
+        if isinstance(self.value, (list, tuple)) and \
+                isinstance(other.value, (list, tuple)):
+            return all(map(lambda x, y : x == y, self.value, other.value))
+        else:
+            return False
 
-    ## @brief Not implemented.
+    ## @brief Subtract one Vector2d from another on a per element basis.
+    # @param other The other Dist.
     def __isub__(self, other):
+        if isinstance(self.value, (list, tuple)) and \
+                isinstance(other.value, (list, tuple)):
+            for sd,od in zip(self.value, other.value):
+                sd -= od
+        else:
+            self.value -= other.value
         return self
 
-    ## @brief Not implemented.
+    ## @brief Add one Vector2d to another on a per element basis.
+    # @param other The other Dist.
     def __iadd__(self, other):
+        if isinstance(self.value, (list, tuple)) and \
+               isinstance(other.value, (list, tuple)):
+            for sd,od in zip(self.value, other.value):
+                sd += od
+        else:
+            self.value += other.value
         return self
 
-    ## @brief Not implemented.
+    ## @brief Divide one Vector2d by a scalar.
+    # @param other The other value.
     def __itruediv__(self, other):
         if not other:
             return self
+        if isinstance(self.value, (list, tuple)):
+            for val in self.value:
+                val /= other
+        else:
+            self.value /= other
         return self
 
 __all__ = [ 'unproxy', 'scalar', 'vector', 'value', 'values', 'total', 'len',