Note for packages linking against GSL [ACTION NEEDED]

Susi Lehtola jussilehtola at fedoraproject.org
Wed Feb 25 05:16:43 UTC 2015


On 02/23/2015 09:46 PM, Orcan Ogetbil wrote:
> On 21 February 2015 at 18:50, Susi Lehtola wrote:
>> Because libgsl is no longer linked to a CBLAS library, packages linking to
>> GSL need to also link to a CBLAS library, ATLAS probably being the best
>> candidate since OpenBLAS is not available for all Fedora architectures.
>
> Can you elaborate on this? gsl has plenty of other routines that have
> nothing to do with linear algebra. Is there a technical reason why you
> have to link to a BLAS if the code using gsl does not actually need a
> BLAS?

Naturally if a package doesn't use any of GSL's vector routines, there's 
no performance benefit of linking to an optimized CBLAS library.
-- 
Susi Lehtola
Fedora Project Contributor
jussilehtola at fedoraproject.org


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