[R-sig-hpc] Problem with Rmpi and snow - makeCluster(type="MPI") not working

Dirk Eddelbuettel edd at debian.org
Mon Nov 24 17:20:42 CET 2008

On 24 November 2008 at 16:57, Rainer M Krug wrote:
| Sorry - posting reposted at R-sig-hpc

(But pllease don't cross-post)

| > I managed tio install Rmpi and to load it, but I get the following
| > errormessage when I try to create an MPI cluster and R hangs (no
| > response):
| >
| > library(Rmpi)
| > [head001:15781] mca: base: component_find: unable to open osc pt2pt:
| > file not found (ignored)

Hm, my reading of the error message is different from yours. 

I wouldn't be convinced that you managed to install Open MPI correctly.  It
may be worth trying to see if you can build and run a standard 'hello world'
in C under MPI first.

| >> library(snow)
| >> cl <- makeCluster(2, type = "MPI")
| > Rscript execution error: No such file or directory
| > Rscript execution error: No such file or directory
| >
| > I am using the following version:

But which MPI library and version ?


Three out of two people have difficulties with fractions.

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