[R] rpvm/snow packages on a cluster with dual-processor machi nes
austin at botany.utoronto.ca
Fri Aug 11 22:00:00 CEST 2006
Adding a node twice gives a duplicate node error.
However, adding the parameter sp=2000 to your pvm hostfile should enable
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.
>From: Paul Y. Peng
>>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
>>and provide commented, minimal, self-contained, reproducible code.
>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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