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From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2005-03-23 13:14:51


Yes, you can do this, or you can do:

localhost cpu=4

Or you can do

localhost

and just "mpirun -np 4 your_app", etc. There's a variety of ways to do
this. See the man pages for lamboot(1) and mpirun(1) for more details.

On Mar 23, 2005, at 12:59 PM, Yeliang Zhang wrote:

> For sake of code developing, I would like to test my mpi program on a
> desktop. The program will use PETSc, a parallel numerical library. Is
> that possible for me to run the code with:
>
>  
>
> “mpirun –np 4 mmox” even I am running it on my desktop with one CPU?
> Shall I generate a machine file looks like the following:
>
>  
>
> localhost
>
> localhost
>
> localhost
>
> localhost
>
>  
>
> If I want to use 4 CPUs.
>
>  
>
> Thank you guys.
>
>  
>
> Zhang
> _______________________________________________
> This list is archived at http://www.lam-mpi.org/MailArchives/lam/

-- 
{+} Jeff Squyres
{+} jsquyres_at_[hidden]
{+} http://www.lam-mpi.org/