On Wed, Mar 25, 2009 at 12:25 PM, Clint Whaley <
whaley@...> wrote:
>>By the way, I'm integrating ATLAS with R. So far, I've been able to
>>get the ATLAS blas to link but for some reason the R configure utility
>>isn't seeing "zgeev_" in the ATLAS lapack libraries. R is compiling
>>its own lapack from the FORTRAN source. Is that going to be a
>>performance problem, or is having the ATLAS blas enough?
>
> Well, you are losing the benefit of 8 of the hours of tuning you just went
> through :)
>
> If you use stock LAPACK rather than an ATLAS-tuned one, your factorization
> performance will be reduced enormously on most platforms.
That's what I was afraid of. Any easy way to tell whether it's ATLAS
or R that's not working?
--
M. Edward (Ed) Borasky
http://www.linkedin.com/in/edboraskyI've never met a happy clam. In fact, most of them were pretty steamed.
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