[Distutils] Handling the binary dependency management problem

[Ralf Gommers]

On Fri, Dec 6, 2013 at 2:48 PM, Oscar Benjamin
<oscar.j.benjamin at gmail.com>wrote:

> On 6 December 2013 13:06, David Cournapeau <cournape at gmail.com> wrote:
> >
> > As Ralf, I think it is overkill. The problem of SSE vs non SSE is
> because of
> > one library, ATLAS, which as IMO the design flaw of being arch specific.
> I
> > always hoped we could get away from this when I built those special
> > installers for numpy :)
> >
> > MKL does not have this issue, and now that openblas (under a BSD license)
> > can be used as well, we can alleviate this for deployment. Building a
> > deployment story for this is not justified.
>
> Oh, okay that's great. How hard would it be to get openblas numpy
> wheels up and running? Would they be compatible with the existing
> scipy etc. binaries?


OpenBLAS is still pretty buggy compared to ATLAS (although performance in
many cases seems to be on par); I don't think that will be well received
for the official releases. We actually did discuss it as an alternative for
Accelerate on OS X, but there was quite a bit of opposition.

Ralf
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