On Tue, 28 Aug 2007, hui xie wrote:
> hi everyone:
>
> I have a Dell Server that has a Xeon processor, and I would like to use
> the best ATLAS posted in the R website. I find that R has ATLAS for
> core2duo and P4. I am not sure which one of these two is best suited for
> Xeon processor, or is that neither of these two is good and I should
> stick with the default one that was installed originally?
And your OS is?
There are many different 'Xeon' processors with very different
capabilities. You really ought to build ATLAS for yourself if numerical
linear algebra performance matters to you (and it makes little difference
to most people: I think Uwe Ligges quoted 10% for testing all CRAN
packages).
> Your advice is very much appreciated!
>
> Best,
>
> Hui
>
>
> ---------------------------------
> Park yourself in front of a world of choices in alternative vehicles.
>
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>
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Please do!
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595