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 <[EMAIL PROTECTED]> wrote: > On Tue, Sep 30, 2008 at 10:18 AM, quant15 > <[EMAIL PROTECTED]> 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@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@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: [EMAIL PROTECTED] ______________________________________________ R-help@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.
