R-1.6.0; BLAS and friends
Sat, 21 Sep 2002 06:45:10 -0500
On Sat, Sep 21, 2002 at 09:11:46AM +0200, G?ran Brostr?m wrote:
> > Did you build it yourself, or did you grab the (currently weekly) .deb?
> I built it myself. I checked with my Debian system at home, and,
> interestingly, there 'dtrmm_' is loaded. Then I reinstalled R-1.5.1, and
> 'dtrmm_' is still missing! So I get different results on different
> _machines_, not different versions of R. I have different setups of atlas
> on the two machines. Can that be the cause? Note that not all BLAS
I'd think so.
> routines are missing, only a selected few. I configure with
> ./configure --with-gnome --enable-R-shlib
I also use --with-blas=blas, but that has in part to do with the magic of
giving you Atlas when you have it installed, and blas if you don't. In other
word the Debian packages depends on a subset (default Blas) which can be
enhanced by installing either the default non-cpu-optimised atlas2-base, or
by installing a cpu-optimised atlas package like atlas2-3dnow for Athlons.
It is a fairly flexible scheme, which out Atlas maintainer developed.
But in short, yes, your Atlas setup on your machine will most likely govern
all of that. If you want a particular feature, I suspect it would help to be
explicit with configure.
Good judgement comes from experience; experience comes from bad judgement.
-- Fred Brooks
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