Hi,

On Tue, Jan 11, 2011 at 1:19 PM, <arne.mueller@novartis.com> wrote:

> Hello,
>
> thanks, all for your reply. The doMC  works fine for me. Nevertheless,
> there seems to be some overhead since at the beginning and the end of the
> loop. The initial R-process doesn't fork immediately and when all child
> processes are finished the parent still processes for quite some time before
> it returns the result.
>

Such is the price you pay for "easy" parallelization.

If it takes you longer to split your jobs + reduce/post process the result
than it does to just run the job linearly, then you might as well use good
ol' lapply.

-steve

-- 
Steve Lianoglou
Graduate Student: Computational Systems Biology
 | Memorial Sloan-Kettering Cancer Center
 | Weill Medical College of Cornell University
Contact Info: http://cbio.mskcc.org/~lianos/contact

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