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Re: [ESPResSo] MPI run problem

From: Axel Arnold
Subject: Re: [ESPResSo] MPI run problem
Date: Thu, 15 Oct 2009 16:15:02 +0200
User-agent: KMail/1.9.4

Am Donnerstag, 15. Oktober 2009 16:07 schrieb İbrahim İnanç:
> Hi again,
> Thanks for the quick reply I will try it immediately but I also having
> problem with LAM-MPI.
> At my first install, the program was working but I could not distribute
> the job to many cpus with LAM.
> After I tried different commands regarding lam, this error occured.
> Is it enough to enter just the "lamboot -v" command to initialize MPI.
> I also used the "lamd -n 4 -p 24" command to introduce the node and cpu
> number to the program..
> I am a new user so this can be a very simple problem/question. Sorry for
> bugging you..
> ibrahim inanc

Normally, you just need "lamboot hostfile", and in the file hostfile you then 
put a line "machine cpu=nprocs" for each machine, telling how many processors 
you want to use on it. For more information, just look at the documentation 
of LAM.


Dr. Axel Arnold 
Fraunhofer SCAI
Schloss Birlinghoven, 53754 Sankt Augustin, Germany
Tel: +49 2241 14 2575

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