Thanks very much. the presentation is very helpful. -Whit
On Mon, Dec 15, 2008 at 6:31 PM, Dirk Eddelbuettel <e...@debian.org> wrote: > On Mon, Dec 15, 2008 at 01:16:46PM -0500, Whit Armstrong wrote: >> I have a network of four machines set up. I'm having trouble spawning >> my slaves on these machines. >> >> All the examples I have found so far use makeCluster with type="MPI", >> and I guess I'm missing some kind of cluster configuration in my >> environment variables because all my clusters are formed on the >> machine where my initial session is running. >> >> Can anyone refer me to a link that illustrates how to set up the >> environment for MPI (listing node names, number of slots, etc) that >> will allow the makeCluster command take advantage of the other nodes? > > It depends on which MPI library you use. I like Open MPI. > >> Thanks, >> Whit >> >> >> simple example: >> >> library(Rmpi) >> library(snow) >> >> cl <- makeCluster(2, type = "MPI") > > You must call R (or r or Rscript) 'inside' orterun (or mpirun) which > allows you to set hostnames on that invocation. See my UseR 2008 > tutorial for some examples. > > Dirk > > -- > Three out of two people have difficulties with fractions. > ______________________________________________ R-help@r-project.org 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.
