[SciPy-User] scipy.test() failures, arpack, 64-bit linux

[Evgeni Burovski]

That version of Ubuntu ships with a broken ATLAS (BLAS).

>
> https://bugs.launchpad.net/ubuntu/+source/atlas/+bug/363510
>
>

Ah, that figures.

Maybe it's worth adding a note on the scipy webpage (www.*scipy*.org/*
Installing*_*SciPy*/Linux)?

Thanks!

Evgeni




> --
> Pauli Virtanen
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sat, 27 Apr 2013 22:35:44 +0100
> From: David Cournapeau <cournape at gmail.com>
> Subject: Re: [SciPy-User] scipy.test() failures, arpack, 64-bit linux
> To: SciPy Users List <scipy-user at scipy.org>
> Message-ID:
>         <
> CAGY4rcUh1VX5wowT_yfRPEw3fY55KDfmQjS5kMo4uQ-MoC_FMA at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> On Sat, Apr 27, 2013 at 10:32 PM, Pauli Virtanen <pav at iki.fi> wrote:
> > 27.04.2013 23:41, Evgeni Burovski kirjoitti:
> >> Just tried reinstalling scipy on a 64-bit ubunu lucid box,
> > [clip]
> >> BLAS/LAPACK comes from the ubuntu repositories, nothing fancy here.
> > [clip]
> >
> > That version of Ubuntu ships with a broken ATLAS (BLAS).
> >
> > https://bugs.launchpad.net/ubuntu/+source/atlas/+bug/363510
>
> We may want to make it easier to use openblas. It is much easier to
> build and performances are competitive with Atlas when I tried it.
>
> David
>
>
> ------------------------------
>
> Message: 3
> Date: Sun, 28 Apr 2013 00:54:57 +0300
> From: Pauli Virtanen <pav at iki.fi>
> Subject: [SciPy-User] Openblas [Was: scipy.test() failures, arpack,
>         64-bit linux]
> To: scipy-user at scipy.org
> Cc: numpy-discussion at scipy.org
> Message-ID: <klhhfd$9pu$1 at ger.gmane.org>
> Content-Type: text/plain; charset=ISO-8859-1
>
> 28.04.2013 00:35, David Cournapeau kirjoitti:
> [clip]
> > We may want to make it easier to use openblas. It is much easier to
> > build and performances are competitive with Atlas when I tried it.
>
> Yes. Related:
>
>     https://github.com/numpy/numpy/pull/2809
>
>     https://github.com/numpy/numpy/pull/2751
>
> The actual fix is probably to handle openblas similarly to MKL in
> numpy.distutils so that it works out of the box without having to do
> anything with site.cfg
>
> --
> Pauli Virtanen
>
>
>
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> End of SciPy-User Digest, Vol 116, Issue 39
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