From bates at stat.wisc.edu  Thu Feb 26 16:04:58 2004
From: bates at stat.wisc.edu (Douglas Bates)
Date: Thu Feb 26 16:05:11 2004
Subject: [Rd] ATLAS threaded 64 bit (Opteron) - need *.so?
In-Reply-To: <x2u11dew8v.fsf@biostat.ku.dk>
References: <16445.47460.107721.166477@gargle.gargle.HOWL>
	<x27jyaf747.fsf@biostat.ku.dk> <6r7jyax7nh.fsf@bates4.stat.wisc.edu>
	<x2u11dew8v.fsf@biostat.ku.dk>
Message-ID: <6r65dtevad.fsf@bates4.stat.wisc.edu>

Peter Dalgaard <p.dalgaard@biostat.ku.dk> writes:

> Douglas Bates <bates@stat.wisc.edu> writes:
> 
> > Have you tried configuring R with Goto's BLAS
> >                 http://www.cs.utexas.edu/users/kgoto/
> > 
> > I haven't worked with Opteron or Athlon64 computers but I understand
> > that Goto's BLAS are very effective on those machines.  Furthermore
> > Goto's BLAS are (only) available as .so libraries so you don't need to
> > mess with creating the .so version.
> 
> I tried it, yes. Somewhat to my surprise, it seemed to be not quite as
> fast as the threaded ATLAS, but I wasn't very systematic about the
> benchmarking.
> 
> (and the Goto items have license issues, which get in the way for
> binary distributions.)

They have indicated that future releases may have a LGPL licence.


[Rd] ATLAS threaded 64 bit (Opteron) - need *.so?
Douglas Bates