On 3/6/06, Thomas Lumley <[EMAIL PROTECTED]> wrote: > On Mon, 6 Mar 2006, Simone Giannerini wrote: > > The environment will probably be either Unix/Linux or Solaris and the > > amount of RAM will be 8-16Gb, depending on the number of processors. > > My main concerns are the following: > > > > 1. How much does R benefit from passing from one processor to > > two/four processor machines? Consider that the typical intensive use > > of the server > > will be represented by simulation studies with many repeated loops. > > The typical way that R is used on multiprocessor systems is running more > than one program, rather than parallel processing. If four people are > using the computer or if one person splits 10,000 iterations of a > simulation into 4 sets of 2,500 you will be using all four processors. >
Many thanks, if I have understood correctly, in this case I would need running four separate instances of R, since a single thread cannot exploit more than one cpu, am I correct? Regards, Simone -- ______________________________________________________ Simone Giannerini Dipartimento di Scienze Statistiche "Paolo Fortunati" Universita' di Bologna Via delle belle arti 41 - 40126 Bologna, ITALY Tel: +39 051 2098248 Fax: +39 051 232153 E-mail: [EMAIL PROTECTED] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
