Archives of the Caml mailing list > Message from skaller

Browse thread

[Caml-list] Obj.magic, Obj.t etc.

Christopher Dutchyn
- Jacques Garrigue
  - Florian Douetteau
    - Jacques Garrigue
      - Marcin 'Qrczak' Kowalczyk
        
        Jacques Garrigue
        
        skaller
        
        Marcin 'Qrczak' Kowalczyk
        
        brogoff@s...
      - skaller
    - Xavier Leroy
      - Jacques Garrigue

Date:	-- (:)
From:	skaller <skaller@o...>
Subject:	Re: [Caml-list] Obj.magic, Obj.t etc.

On Thu, 2003-08-14 at 20:45, Marcin 'Qrczak' Kowalczyk wrote:
> Dnia czw 14. sierpnia 2003 10:34, Jacques Garrigue napisaÅ‚:
> 
> > As a result, the representation of float arrays would not be uniform,
> > requiring a check before access, which would probably neutralize any
> > performance advantage of having a special representation.
> 
> But now the check is required before polymorphic access. It happens in inner 
> loops in almost all functions from the Array module.

Then you lift the check out of the loop:
one check, two loops specialised for each case.


-------------------
To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr
Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/
Beginner's list: http://groups.yahoo.com/group/ocaml_beginners