Re: BLAS/LAPACK implementations
Hello Adam,
Le lundi 08 février 2010 à 08:39 -0500, Adam C Powell IV a écrit :
> Hello,
>
> Some time ago, the netlib and ATLAS implementations of BLAS and LAPACK
> were ABI-compatible, and used alternatives symlinks to access their
> different libraries with the same ABI.
I didn't know that. That
> I don't know when it happened, but at some point they diverged, and now
> the netlib packages have libblas-3gf.so and liblapackgf-3.so, and ATLAS
> has libblas-3.so and liblapack-3.so.
>
> I know that ATLAS has its own API as well, but it was nice back in the
> day to be able to build to the netlib API, and then swap them back at
> forth at runtime using update-alternatives.
Are you sure ? That API is supposed to be the BLAS one.
> Are they no longer ABI-compatible? Is it possible to get back to the
> old state of things?
As far as I know, they are probably compatible but we would have to dig
deeper to make sure of that.
I would be happy to put this behavior back, especially since this would
fix the first point described here:
http://lists.alioth.debian.org/pipermail/pkg-scicomp-devel/2009-October/004582.html
Sylvestre
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