Luke Tierney just reminded me that makeCluster() can take a number greater than the number of machines in a cluster. It seems to be a solution to this problem. But I haven't tested it yet.
Paul. Ryan Austin wrote: > 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. >>> >>> ______________________________________________ >>> [email protected] 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. >>> >>> >>> >>> >> ______________________________________________ >> [email protected] 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. >> >> > > ______________________________________________ > [email protected] 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. > ______________________________________________ [email protected] 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.
