[R] BLAS or ATLAS?

Liaw, Andy andy_liaw at merck.com
Wed Feb 23 20:45:25 CET 2005


I believe that actually means configure was able to use the BLAS you
specified (MKL in this case).  You can scan through config.log to make sure.

Andy

> From: 
> 
> Fedora Core 3
> 
> I installed the Intel MLk, 
> 
> and tried : --with-blas="-lmkl -lguide -lpthread" 
> 
> and got :  External libraries:        readline, BLAS(generic)
> 
> thus I'm assuming I'm missing something when telling config where to
> look for the recently installed Intel BLAS?
> 
> thanks for all replies thus far. 
> 
> 
> On Wed, 2005-02-23 at 19:25 +0000, Prof Brian Ripley wrote:
> > What OS is this for?
> > 
> > Several OSes (Windows, Linux, Solaris, FreeBSD ...) run on 
> Xeons (and 
> > there are several sorts of Xeons, some even EM64T AMD-clones).
> > 
> > On Wed, 23 Feb 2005, Tom Colson wrote:
> > 
> > > I'm trying to tweak multi-threading on a multiprocessor box(Xeon).
> > > Reading appendix a.2.2 in the install and admin menu, I 
> see that I can
> > > use the internal BLAS lib and/or a multi-thread version 
> of ATLAS (Where
> > > to get?)
> > 
> > The last _is_ described in Appendix A.2.2, together with 
> several other 
> > possibilities.
> > 
> > > Question: Intel claims their libraries are faster than 
> ATLAS. Has anyone
> > > compiled R against the Intel BLAS? If so...how did you do it?
> > >
> > > 
> http://developer.intel.com/software/products/m> kl/features/lin_alg.htm
> > 
> > That _is_ described in Appendix A.2.2.
> > 
> > > And I'm in the market for a pre-built Atlas dual 
> processor lib for Xeon.
> > > Know where I can find one?
> >
> 
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