English version
Accueil     À propos     Téléchargement     Ressources     Contactez-nous    

Ce site est rarement mis à jour. Pour les informations les plus récentes, rendez-vous sur le nouveau site OCaml à l'adresse ocaml.org.

Browse thread
SMP multithreading
[ Home ] [ Index: by date | by threads ]
[ Search: ]

[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
Date: 2010-11-16 (20:35)
From: Eray Ozkural <examachine@g...>
Subject: Re: [Caml-list] SMP multithreading
On Tue, Nov 16, 2010 at 7:04 PM, Gerd Stolpmann <info@gerd-stolpmann.de>wrote:

> Am Montag, den 15.11.2010, 22:46 -0800 schrieb Edgar Friendly:
>      * As somebody mentioned "implicit parallelization": Don't expect
>        anything from this. Even if a good compiler finds ways to
>        parallelize 20% of the code (which would be a lot), the runtime
>        effect would be marginal. 80% of the code is run at normal speed
>        (hopefully) and dominates the runtime behavior. The point is
>        that such compiler-driven code improvements are only local
>        optimizations. For getting good parallelization results you need
>        to restructure the design of the program - well, maybe
>        compiler2.0 can do this at some time, but this is not in sight.

I think you are underestimating parallelizing compilers.

Eray Ozkural, PhD candidate.  Comp. Sci. Dept., Bilkent University, Ankara
http://myspace.com/arizanesil http://myspace.com/malfunct