[R] ANNOUNCE--Rdsm package, a threads-like environment for R

[Guo-Hao Huang]

I am interested in Rdsm package, but I have no idea about how to use it.
Where can I find examples?

regards
                                                                             
                Guo-Hao Huang


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From: "Norm Matloff" <matloff at cs.ucdavis.edu>
Sent: Thursday, March 11, 2010 1:37 PM
To: <r-sig-hpc at r-project.org>; <r-help at r-project.org>
Subject: [R] ANNOUNCE--Rdsm package, a threads-like environment for R

>
> My long-promised Rdsm package is now on CRAN.  Some of you may recall
> that I made a prototype available on my own Web page last July.  This is
> the official version, much evolved since I released the prototype.
>
> The CRAN description states:
>
>   Provides a threads-like programming environment for R, usable both on
>   a multicore machine and across a network of multiple machines. The
>   package gives the illusion of shared memory, again even across
>   multiple machines on a network.
>
> This is based on a similar package I wrote for Perl back in 2002.
>
> Rdsm should complement the bigmemory package written by Mike Kane and
> Jay Emerson.  As noted above and in my July announcement for my
> prototype, Rdsm works across a network of machines, while bigmemory is
> limited to multicore platforms.  On the other hand, bigmemory is capable
> of handling huge data structures, which Rdsm is not.  Rdsm is intended
> for parallel/distributed computing, while bigmemory is currently used
> primarily for the problems its name implies.  However, if bigmemory is
> used as a parallel R vehicle on a multicore machine, it may be faster
> than Rdsm for some applications, given its direct use of bare shared
> memory; typically, though, they should provide similar performance in
> such contexts.  By the way, I have a prototype of an infrastructure
> package to facilitate using bigmemory as a parallel R engine.
>
> Norm Matloff
> University of California, Davis
>
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