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

[Ryan Austin]

Hi,

Adding a node twice gives a duplicate node error.
However, adding the parameter sp=2000 to your pvm hostfile should enable 
dual processors.

Ryan

Liaw, Andy wrote:

>Caveat: I've only played with this a couple of years ago... 
>
>I believe you can just add each host _twice_ (or as many times as the number
>of CPUs at that host) to get both CPUs to work.
>
>Andy
>
>From: Paul Y. Peng
>  
>
>>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
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>>PLEASE do read the posting guide 
>>http://www.R-project.org/posting-guide.html
>>and provide commented, minimal, self-contained, reproducible code.
>>
>>
>>    
>>
>
>______________________________________________
>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.
>  
>