Igor Stasenko wrote:
> Changing the object formats alone does not gives any benefits. What is
> the point in having new format when you keep using old semantic model
> as before?

Speed. That is the only point of the exercise to begin with.

> This is like swapping instance variables order in your class.. Apart
> from a better aestetical view it gives you nothing :)

If swapping ivars in a class would give me a 3x in performance I'd be 
doing this all day long...

Cheers,
   - Andreas