[R] Desperatly seeking Parallel R simulation with Windows XP

[Erin Hodgess]

It works under Windows,too!

You can also use
cl <- makeCluster(2,type="SOCK")

Thanks,
Erin
PS I have a dual core machine.


On Tue, Sep 30, 2008 at 3:55 AM, Rainer M Krug <r.m.krug at gmail.com> wrote:
> On Tue, Sep 30, 2008 at 10:18 AM, quant15
> <alexandre.bombal at bnpparibas.com> wrote:
>>
>> Hello R experts,
>>
>> I've been searching for weeks a way to use my quad core xeon to increase
>> speed of a very-very computer-intensive simulation I must do for my works.
>>
>> It seems that most purpose-made packages for R : Snow, Rmpi, snowfall,...
>> are designed for Linux based OS. I do not have access to Linux due to
>> professionnal reasons ... so I must work with windows XP.
>>
>> Do somebody know a way to unleash the calculation power of all four cores
>> under windows XP ?
>
> Just tried snow under Windows 2000 and it works. Just follow the
> examples on http://www.sfu.ca/~sblay/R/snow.html
> but create a cluster as follow:
>
> cl <- makeSOCKcluster(c("localhost", "localhost", "localhost", "localhost"))
>
> and you have a cluster of all your four cores.
>
> As I don't have a dual or quadcore running windows, I can't confirm
> that it is actually using all cores (it does under Linux), but the
> cluster is created.
>
> If you have further questions, just ask - I am learning tio use snow as well.
>
> Rainer
>
>
>
>>
>> Thanks for your help !!
>>
>> Quant15
>> --
>> View this message in context: http://www.nabble.com/Desperatly-seeking-Parallel-R-simulation-with-Windows-XP-tp19737748p19737748.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>
>
> --
> Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation
> Biology, UCT), Dipl. Phys. (Germany)
>
> Centre of Excellence for Invasion Biology
> Faculty of Science
> Natural Sciences Building
> Private Bag X1
> University of Stellenbosch
> Matieland 7602
> South Africa
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Erin Hodgess
Associate Professor
Department of Computer and Mathematical Sciences
University of Houston - Downtown
mailto: erinm.hodgess at gmail.com