[R] rpvm/snow packages on a cluster with dual-processor machines

Ramon Diaz-Uriarte rdiaz at cnio.es
Fri Aug 11 19:41:35 CEST 2006

Dear Paul,

I am leaving right now. I'll send you the info over the weekend. But note that 
I do think it is quite possible to use pvm for your setup. I just have no 
experience with it.


On Friday 11 August 2006 19:21, Paul Y. Peng wrote:
> Hi Ramon,
> please let me know how you achieve this with rmpi. I use PVM simply because
> I picked it up first and it worked well for me. If MPI is the only way to
> make use the two processors, I will find out whether it is available or
> works in our cluster. Thanks a lot for your response.
> Regards,
> Paul.
> Ramon Diaz-Uriarte wrote:
> > Dear Paul,
> >
> > I have no direct experience with rpvm, but doing it with rmpi is a piece
> > of cake. I could provide you with some hints if you want. (I am tempted
> > to ask why you are using PVM instead of MPI, but this might be the wrong
> > question).
> >
> > Best,
> >
> > R.
> >
> > On Friday 11 August 2006 18:12, Paul Y. Peng wrote:
> >> Hi,
> >>
> >> does anybody know how to use the dual processors in the machines of a
> >> cluster? I am using R with rpvm and snow packages. I usually start pvm
> >> daemon and add host machines first, and then run R to start my computing
> >> work. But I find that only one processor in each machine is used in this
> >> way and the other one always stays idle. Is there any simple way to tell
> >> pvm to use the two processors at the same time? In other words, I would
> >> like to see two copies of R running on each machine's two processors
> >> when using pvm. Any hints/help are greatly appreciated.
> >>
> >> Paul.
> >>
> >> ______________________________________________
> >> R-help at stat.math.ethz.ch mailing list
> >> https://stat.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide
> >> http://www.R-project.org/posting-guide.html and provide commented,
> >> minimal, self-contained, reproducible code.

Ramón Díaz-Uriarte
Centro Nacional de Investigaciones Oncológicas (CNIO)
(Spanish National Cancer Center)
Melchor Fernández Almagro, 3
28029 Madrid (Spain)
Fax: +-34-91-224-6972
Phone: +-34-91-224-6900

PGP KeyID: 0xE89B3462

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