On Jan 9, 8:58 am, mabshoff <[EMAIL PROTECTED]
dortmund.de> wrote:
>
> Ok, we would certainly welcome any kind of participation from the
> Gentoo community.
>
Hopefully some support may be drummed there, I myself may be soon
claimed
by a non-academic real-life that could put me on hiatus.
> > Which kinds of bring to another thing that I wanted to ask about for a
> > while.
> > I noticed that there is in fact 2 blas packages in sage, atlas and
> > what is
> > usually refereed as blas-reference in Gentoo. It seems that the goal
> > of that
> > one is just to provide f77blas. Do we *really* need that?
>
> It depends. We need to build Lapack before ATLAS since we build an
> improved liblapack with the Lapack bits from ATLAS. Now if we were to
> run Lapack's test suite we need a BLAS. Atlas is also not standard yet
> on OSX, so there are more considerations here. Since netlib.org's BLAS
> is small and compiles quickly nobody has advocated its removal and
> since I consider it important to be able to run the Lapack testers on
> demand I would like it to stay.
>
Ok make sense, it's one thing that I had disabled without much side
effect
apart from touching cvxopt about lf77blas although I believe numpy,
scipy and
al will detect and use it if present. Plus while building with my
system
atlas it failed because it wanted to remove /usr/lib/libblas.so.
Something to
think about for your SYSTEM_ATLAS setting.
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