windows and ubuntu linux are my OS intent is to use them in the snow makecluster statement so I am not sure what I need cores,cpus,real,virtual
basically the max amount of clusters i can create on my machine 2) if I have a workgroup on windows - can i detect cores/cpus on the network using the detectcore Ajay Websites- http://decisionstats.com http://dudeofdata.com Linkedin- www.linkedin.com/in/ajayohri On Mon, Oct 4, 2010 at 1:25 AM, Prof Brian Ripley <rip...@stats.ox.ac.uk>wrote: > Without knowing your OS, there is no way anyone can tell you. And you > probably want to know 'cores' rather than CPUs. And for some specific OSes, > you will find answers in the archives. > > Beware that this is not a well-defined question: are these physical or > virtual cores?, and having them in the system and being allowed to use them > are different questions. > > Package 'multicore' is one that attempts to do this in its function > detectCores (see the source code). And on Sparc Solaris it is pretty > useless as it gives virtual CPUs, 8x the number of real CPUs. > > > On Sun, 3 Oct 2010, Ajay Ohri wrote: > > Dear List >> >> Sorry if this question seems very basic. >> >> Is there a function to pro grammatically find number of processors in >> my system _ I want to pass this as a parameter to snow in some serial >> code to parallel code functions >> >> Regards >> >> Ajay >> >> >> >> Websites- >> http://decisionstats.com >> http://dudeofdata.com >> >> >> Linkedin- www.linkedin.com/in/ajayohri >> >> ______________________________________________ >> 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. >> >> > -- > Brian D. Ripley, rip...@stats.ox.ac.uk > Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ > University of Oxford, Tel: +44 1865 272861 (self) > 1 South Parks Road, +44 1865 272866 (PA) > Oxford OX1 3TG, UK Fax: +44 1865 272595 > [[alternative HTML version deleted]] ______________________________________________ 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.