growable: Multiply growable size by 2 instead of 3 when growing.

http://stackoverflow.com/questions/1100311/what-is-the-ideal-growth-rate-for-a-dynamically-allocated-array Fixes factor#1284.
slavapestov · Mar 11, 2015 · 0fda669 · 0fda669
1 parent 7c30ae8
commit 0fda669
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/growable/growable.factor b/core/growable/growable.factor
@@ -46,7 +46,7 @@ M: growable set-length ( n seq -- )
     ] if
     length<< ;
 
-: new-size ( old -- new ) 1 + 3 * ; inline
+: new-size ( old -- new ) 1 + 2 * ; inline
 
 : ensure ( n seq -- n seq )
     bounds-check-head