Re: [R] How is R working in multicore and multiprocessor environment?

From: Hesen Peng <hesen.peng_at_gmail.com>
Date: Sun, 23 Nov 2008 18:09:51 -0500

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/
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Received on Sun 23 Nov 2008 - 23:13:10 GMT

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