[GE users] question concerning R on HPC

andreas andreas.haas at sun.com
Tue Nov 25 15:15:01 GMT 2008


Hi Rainer,

On Tue, 25 Nov 2008, Dr. Rainer M Krug wrote:

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>
> Hi
>
> I want to use R on an HPC via MPI.
>
> I managed to install Rmpi and to load it ionto R, 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)
>> library(snow)
>> cl <- makeCluster(2, type = "MPI")
> Rscript execution error: No such file or directory
> Rscript execution error: No such file or directory

try to run this under Linux strace(1) as to trace the system calls. 
This will show you what file/directory your application tries to access.

Regards,
Andreas

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