From: jim holtman <jholtman_at_gmail.com>

Date: Sun, 23 Nov 2008 20:07:52 -0500

Date: Sun, 23 Nov 2008 20:07:52 -0500

Definitely if you want to make sure of the cores.

On Sun, Nov 23, 2008 at 6:09 PM, Hesen Peng <hesen.peng_at_gmail.com> wrote:

> I see. So is it a good idea to use the snow package in running

*> programs on my intel duo core computer?
**>
**> 2008/11/23 jim holtman <jholtman_at_gmail.com>:
**>> R is single threaded except for some the BLAS matrix routines; it will
**>> only effective use a single core most of the time unless you have a
**>> problem that is making heavy use of matrix operations.
**>>
**>> On Sun, Nov 23, 2008 at 4:38 PM, Hesen Peng <hesen.peng_at_emory.edu> wrote:
**>>> My Dear R buddies,
**>>>
**>>> I'm feeling ashamed that I've been running my R program on some
**>>> servers for a while but do not know exactly how R is working. The
**>>> servers are chained together using Sun Grid Engine. Each node has 8
**>>> quad-core CPUs. I wonder how many cores and CPUs are used by a simple
**>>> single-thread R program. Thanks a lot.
**>>>
**>>> Best wishes,
**>>>
**>>> --
**>>> 彭河森 Hesen Peng
**>>> http://hesen.peng.googlepages.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.
**>>>
**>>
**>>
**>>
**>> --
**>> Jim Holtman
**>> Cincinnati, OH
**>> +1 513 646 9390
**>>
**>> What is the problem that you are trying to solve?
**>>
**>
**>
**>
**> --
**> 彭河森 Hesen Peng
**> http://hesen.peng.googlepages.com/
**>
*

-- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.Received on Mon 24 Nov 2008 - 01:13:20 GMT

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