Re: First Beowulf cluster. Some pointers?
So David, with Mosix, no code needs to be rewritten for the app to run?
"David_Santo_Orcero_ (David Santo Orcero )" wrote:
> > Unfortunately, system calls get bounced back to the main node. This
> > creates an IO bottleneck (all file reads/writes are done on the main
> > node, no matter where the process got migrated to).
>
> No, system calls get bounced back where the process were created.
> There is no "main node". This is specially interesting, because you
> can gain a huge performace increase simply do not creatting all process
> on the same machine. You sacrify a little bit the "full
> transparency" paradigm, but you overperform the same cluster
> with Beowulf -on molecular modelling I did this comparation, and it
> works- Anyway, on a Beowulf cluster you do not create all the process on
> the same machine. ;-)
>
> Yours:
>
> David
>
> -----------------------------------------------------
> David Santo Orcero
> irbis@df.ibilce.unesp.br
> http://www.biocristalografia.df.ibilce.unesp.br/irbis
> -----------------------------------------------------
>
> --
> To UNSUBSCRIBE, email to debian-beowulf-request@lists.debian.org
> with a subject of "unsubscribe". Trouble? Contact
> listmaster@lists.debian.org
>
> To: Rob Latham <rob@terizla.org>
> From: David Santo Orcero <irbis@df.ibilce.unesp.br>
> Subject: Re: First Beowulf cluster. Some pointers?
> Date: Wed, 6 Dec 2000 15:54:05 -0200 (BRST)
> cc: Turbo Fredriksson <turbo@debian.org>, debian-beowulf@lists.debian.org
> Message-ID: <[🔎] Pine.LNX.4.21.0012061547130.1706-100000@tayra.trantor>
> X-Sender: irbis@tayra.trantor
> Received: from murphy.debian.org (murphy.debian.org [216.234.231.6]) by
> lector_gw.lector.kth.se with SMTP id MSGTTTQE; Wed, 6 Dec 2000 14:56:59 GMT
> Received: (qmail 18928 invoked by uid 38); 6 Dec 2000 14:56:09 -0000
> Received: (qmail 18781 invoked from network); 6 Dec 2000 14:56:07 -0000
> Received: from adsl-nrp13-c8b0e7bc.sao.terra.com.br (HELO tayra.trantor)
> (200.176.231.188) by murphy.debian.org with SMTP; 6 Dec 2000 14:56:07 -0000
> Received: from localhost (irbis@localhost) by tayra.trantor
> (8.10.1/8.10.1) with ESMTP id eB6Hs5F01746; Wed, 6 Dec 2000 15:54:06 -0200
--
-----------------------------------------
Terrence E. Brown, Ph.D.
Stockholm School of Entrepreneurship
Assistant Professor
Royal Technical Institute
INDEK
Drottning Kristina Väg 35D
S- 100 44 Stockholm
Sweden
Tel: +46(0)8-7906174 (work)
Fax: +46(0)8-7906741 (work)
Email: tbrown@lector.kth.se
or terrence.brown@sses.se
Reply to: