From nashjc at uottawa.ca  Tue Dec  4 14:57:42 2012
From: nashjc at uottawa.ca (Prof J C Nash (U30A))
Date: Tue, 04 Dec 2012 08:57:42 -0500
Subject: [Rd] Speeding up R (was Using multicores in R)
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References: <mailman.27.1354618808.3098.r-devel@r-project.org>
Message-ID: <50BE0156.5070403@uottawa.ca>

For info, I put a little study I did about the byte code compiler and 
other speedup approaches (but not multicore) on the Rwiki at

http://rwiki.sciviews.org/doku.php?id=tips:rqcasestudy

which looks at a specific problem, so may not be relevant to everyone.
However, one of my reasons for doing it was to document the "how to" a 
little.

JN

>
>        2.  Have you tried the "compiler" package?  If I understand
> correctly, R is a two-stage interpreter, first translating what we know
> as R into byte code, which is then interpreted by a byte code
> interpreter.  If my memory is correct, this approach can cut the compute
> time by a factor of 100.
>
>
>



[Rd] Speeding up R (was Using multicores in R)
Prof J C Nash (U30A