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Subject: Re: [OMPI users] run a program
From: jody (jody.xha_at_[hidden])
Date: 2014-02-26 04:32:54


Hi
I think you should use the "--host" or "--hostfile" options:
  http://www.open-mpi.org/faq/?category=running#simple-spmd-run
  http://www.open-mpi.org/faq/?category=running#mpirun-host
Hope this helps
  Jody

On Wed, Feb 26, 2014 at 8:31 AM, raha khalili <khadije.khalili_at_[hidden]>wrote:

> Dear Users
>
> This is my first post in open-mpi forum and I am beginner in using mpi.
> I want to run a program which does between 4 systems consist of one server
> and three nodes with 20 cpus. When I run: *mpirun -np 20
> /home/khalili/espresso-5.0.2/bin/pw.x -in si.in <http://si.in> | tee si.out*, after writing htop from terminal, it seems the program doesn't use cpus
> of three other nodes and just use the cpus of server. Could you tell me
> please how do I can use all my cpus.
>
> Regards
> --
> Khadije Khalili
> Ph.D Student of Solid-State Physics
> Department of Physics
> University of Mazandaran
> Babolsar, Iran
> kh.khalili_at_[hidden]
>
>
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