[Rd] [R] Building with MKL on Ubuntu

Prof Brian Ripley ripley at stats.ox.ac.uk
Thu Nov 6 10:45:14 CET 2008


On Thu, 6 Nov 2008, Anand Patil wrote:

> On Thu, Nov 6, 2008 at 6:48 AM, Prof Brian Ripley <ripley at stats.ox.ac.uk> wrote:
>       And how does that help you?  At some future point on a real problem you will get
>       incorrect answers/segfault.
>
>       That test was put there as a result of such incorrect results found the hard way.
> 
> 
> I appreciate that... but I never use the complex blas, so in my case the test is preventing me
> from taking advantage of MKL's real blas. Or is the zdotu error symptomatic of a problem that
> would affect the real blas also?

Only complex BLASAFAIK, *but* e.g. lapack uses it internally, AFAIK even 
for real inputs.

> 
> Anand
> 
>

-- 
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


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