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Subject: Re: [OMPI users] i386 with x64
From: jody (jody.xha_at_[hidden])
Date: 2008-04-11 05:34:20


Aurelien:
What is the cause of this performance penalty?

  Jody

On Fri, Apr 11, 2008 at 1:44 AM, Aurélien Bouteiller
<bouteill_at_[hidden]> wrote:
> Open MPI can manage heterogeneous system. Though you prefer to avoid
> this because it has a performance penalty. I suggest you compile on
> the 32bit machine and use the same version everywhere.
>
> Aurelien
> Le 10 avr. 08 à 18:09, clarkmpi_at_[hidden] a écrit :
>
>
> > Thanks to those who answered my post in the past. I have to admit
> > that you lost me about half way through the thread.
> >
> > I was able to get 2 of my systems cranked up and was about to put a
> > third system online when I remembered it was running x64 version of
> > OS.
> > Can I just recompile the code on the x64 system and put it in the
> > same home directory used by all the systems? I'm not sharing the
> > directory across systems, but after doing this three or four times
> > across just 2 systems, I can see why sharing would be advantages.
> >
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> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
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