Re: [ESPResSo] MPI run problem

[Axel Arnold]

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.

Axel


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