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

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.

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.