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

From: jim holtman <jholtman_at_gmail.com>
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?

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Received on Mon 24 Nov 2008 - 01:13:20 GMT

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