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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
> -----------------------------------------------------
>
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> 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
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