Message-ID: <4F58E4F9.6000605@mcw.edu>
Date: 2012-03-08T16:57:29Z
From: rsparapa at mcw.edu
Subject: Parallel loop
In-Reply-To: <1331224641.49349.YahooMailNeo@web120606.mail.ne1.yahoo.com>
Scott Raynaud wrote:
> Thanks for the feedback. Part of my problem is that I need the most
> recent copy of R. My IS team told me they can only get an earlier
> copy using apt-get, but I think there must be a way so I've tasked them
> with figuring it out.
>
> My OS is Kubuntu. I just thought it odd that it could only detect the
> number of CPUs rather than the number of cores. I'm completely
> new to parallel processing but it seems that something is not right
> in the core detection.
>
> One quetion I still have regrds child processes. I understand they
> finish on their own, but what if I need to kill those processing because
> of an obvious problem. How can I do that?
>
If you kill the parent, then all of the children should die. On Ubuntu,
r-base and r-base-dev are the packages; see
http://cran.r-project.org/bin/linux/ubuntu/README
You don't need the most recent. Just 2.14.0 or higher.
--
Rodney Sparapani, PhD Center for Patient Care and Outcomes Research
Sr. Biostatistician http://www.mcw.edu/pcor
4 wheels good, 2 wheels better! Medical College of Wisconsin (MCW)
WWLD?: What Would Lombardi Do? Milwaukee, WI, USA