[R] rpvm/snow packages on a cluster with dual-processor machines
Paul Y. Peng
ypeng at math.mun.ca
Fri Aug 11 19:21:02 CEST 2006
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.
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).
> On Friday 11 August 2006 18:12, Paul Y. Peng wrote:
>> 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.
>> R-help at stat.math.ethz.ch mailing list
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html and provide commented, minimal,
>> self-contained, reproducible code.
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