[Numpy-discussion] distributing wheels & SSE/superpack options

David Cournapeau cournape at gmail.com
Fri Dec 6 15:37:42 EST 2013


On Fri, Dec 6, 2013 at 8:28 PM, Oscar Benjamin
<oscar.j.benjamin at gmail.com>wrote:

> On 6 December 2013 20:09, Chris Barker <chris.barker at noaa.gov> wrote:
> >> 2. in the absence of statistics, can we do an experiment by putting one
> >> wheel up on PyPi which contains SSE3 instructions, for python 3.3 I
> propose,
> >> and seeing for how many (if any) users this goes wrong?
> >
> >
> > sounds good -- it looks like SSE3 has been around a good while:
> >
> > http://en.wikipedia.org/wiki/SSE3
> >
> > 8+ years is a pretty long time in computer land!
> >
> > anyone know how long SSE3 has been around?
>
> I don't have statistics but I do have a couple of data points. Both of
> the computers I regularly use (my work desktop and my girlfriend's
> laptop) have SSE2 but not SSE3.
>
> Really I'm not sure that releasing a potentially compatible binary -
> with no install time checks - is such a good idea. What we really want
> is a situation where you can confidently advise someone to just "pip
> install numpy" without caveats i.e. a solution that "just works".
>

agreed.

Also, we should not lie to ourselves: our current ATLAS on windows are most
likely not very efficient anyway, SSE or not.

Ralf, you mentioned that openblas was problematic on windows ? I could not
find any recent discussion on that list.

David
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