Re: [R] Why R is 200 times slower than Matlab ?

From: Zhandong Liu <zhandong_at_mail.med.upenn.edu>
Date: Thu, 01 May 2008 09:47:34 -0400

Great. Thanks a lot.
ZD

On Wed, Apr 30, 2008 at 7:31 PM, Nelson Castillo <nelsoneci_at_gmail.com> wrote:

> On Wed, Apr 30, 2008 at 6:27 PM, Gabor Grothendieck
> <ggrothendieck_at_gmail.com> wrote:
> > Aside from optiming your code by making use of R functions
> > that use C underneath as much as possible the big difference
> > between R and Matlab is Matlab's just-in-time compilation of
> > code. When that was introduced in Matlab huge speedups of
> > Matlab programs were noticeable.
> >
> > For R, there is a new package on CRAN, jit, that
> > aims to provide similar speedups.
>
> http://www.milbo.users.sonic.net/ra/index.html
>
> Great! I just found out about ra. In Python I love psyco and I guess I
> will test
> ra soon.
>
> Thanks,
> N.-
>
> --
> http://arhuaco.org
>

-- 
Zhandong Liu

Genomics and Computational Biology
University of Pennsylvania

616 BRB II/III, 421 Curie Boulevard
University of Pennsylvania School of Medicine
Philadelphia, PA 19104-6160

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