From luke at stat.uiowa.edu  Fri Mar 11 13:15:37 2005
From: luke at stat.uiowa.edu (Luke Tierney)
Date: Fri Mar 11 13:16:02 2005
Subject: [Rd] How to use Rmpi?
In-Reply-To: <1686.130.186.7.46.1110460566.squirrel@student.unife.it>
References: <1686.130.186.7.46.1110460566.squirrel@student.unife.it>
Message-ID: <Pine.LNX.4.61.0503110612111.15202@itasca2.stat.uiowa.edu>

If your computation is simple enough to express in terms of lapply or
other apply calls that you want to have run in parallel then you might
try the 'snow' package on CRAN which can run on top of Rmpi.  Some
places to get more details on that:

http://www.stat.uiowa.edu/~luke/R/cluster/cluster.html
http://www.bepress.com/cgi/viewcontent.cgi?article=1016&context=uwbiostat

Best,

luke

On Thu, 10 Mar 2005, Alessandro Balboni wrote:

> I need to rewrite a software in R, that runs on a cluster.
>
> I thought Rmpi will be good for me but I can't find
> any help other than the Rmpi-manual that actually only
> describe the functions in the Rmpi package.
>
> Can someone point me to some usefull guide?
>
> For example, I would like to run a for-statement on
> several processors (a subset of the statement on each
> processor) but I can't figure out how to do this!
>
> Thanks
>
>

-- 
Luke Tierney
Chair, Statistics and Actuarial Science
Ralph E. Wareham Professor of Mathematical Sciences
University of Iowa                  Phone:             319-335-3386
Department of Statistics and        Fax:               319-335-3017
    Actuarial Science
241 Schaeffer Hall                  email:      luke@stat.uiowa.edu
Iowa City, IA 52242                 WWW:  http://www.stat.uiowa.edu


[Rd] How to use Rmpi?
Luke Tierney