[GLLUG] running R on multiple processors with LAM/MPI

[Ross Smith]

2008/6/13 Qiu Wang <wangqiu04 at gmail.com>:

> Hello, GLLUG-ers
>
> Hope you are enjoy the nice summer!
>
> My name is Qiu Wang and I am a student at MSU. I just started using linux
> system last week and I love it. Currently, I am using a open source /GNU
> statistical package R <http://www.r-project.org/about.html> for my
> project. Is anyone using R <http://www.r-project.org/> for parallel
> computation on a linux cluster (e.g., msu's HPC)? I was told that someone
> once gave a talk  on R to GLLUG 2-3 yeas ago. Does any one know if that talk
> touched parallel compuation? People at HPC (especically, Ed) are very
> supportive and will update R and install required packages (e.g., Rmpi<http://www.stats.uwo.ca/faculty/yu/Rmpi/>). I really appreciated their help and would like to hear some user-side
> expereince from this list.
>
> Here is another issue the list might be interested with.
>
> I just got a quad dell inspiron desktop and started to use ubuntu. Oh, it
> is such a chellenge,  huge for me, but I had some fun. One thing I need to
> figure out is to run R on all 4 processors on a single machine. Right now it
> only uses one precessor (R randomly picks one of  the four CPUs to run the
> code. ). It is a waste. I found that running R on a multiprocessor single
> machine has been done on a quad-Mac
> <http://macresearch.org/statistics_supercomputing_on_a_mac_with_r_and_lam_mpi>.
> How can it be done on my Dell quad machine? I have no clue where I should
> start. Any thoughts and ideas will be appreiciated.
>
> --
> Qiu Wang
> Measurement and Quantitative Methods
> College of Education
> Michigan State University
> ------
>
>
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>
Is the program R similar to SAS statistical software?

-- Ross
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