[pypy-dev] Questions on the pypy+numpy project

Chris Wj chris0wj at gmail.com
Mon Oct 24 05:33:20 CEST 2011


Donation is in here too... numpy is just the beginning step in a great
direction. Go pypy!

On Sun, Oct 23, 2011 at 12:24 PM, Ian Ozsvald <ian at ianozsvald.com> wrote:

> I agree that numpy support is a good first aim, I hope it'll open the
> door to scipy support later.
>
> To that end I've made my donation. As discussed with Fijal via a
> private email I felt awkward with the new project (hence me asking the
> question 60 emails back) as I'd offered a £600 donation which was made
> on the assumption that numpy+scipy support would be possible (and to
> be clear - this was entirely *my* assumption, made at EuroPython,
> before the project was defined - the  error was mine). Obviously I
> want to see numpy supported, I do also want to see scipy (and probably
> cython) supported too.
>
> So, I've just donated $480USD (£300) for the numpy-pypy project as a
> personal donation. I'll make a second donation of $480 as and when a
> project is proposed that enables scipy support. This fits with my
> goals and I hope it helps the project move forwards.
>
> Cheers all,
> Ian.
>
> On 20 October 2011 11:41, Maciej Fijalkowski <fijall at gmail.com> wrote:
> > On Thu, Oct 20, 2011 at 12:33 PM, Ian Ozsvald <ian at ianozsvald.com>
> wrote:
> >>> I was one of the people who responded to that poll, and I have to say
> that I fall into the category "they actually meant 'SciPy'…".
> >>
> >> I'll note with regards to the survey that I also recall saying Yes to
> >> numpy but never thinking to explain that I used SciPy, the SciKits and
> >> Cython for a lot of my work (not all of it but definitely for chunks
> >> of it). Maybe a second more focused survey would be useful?
> >
> > I think Armin made it clear enough but apparently not. We're not
> > against scipy and we will try our best at supporting it. However it's
> > not in the first part of the proposal - let's be reasonable, pypy is
> > not magic, we can't make everything happen at the same time.
> >
> > We believe that emulating CPython C API is a lot of pain and numpy
> > does not adhere to it anyway. We also see how cython is not the
> > central part of numpy right now and it's unclear whether cython
> > bindings would every be done as the basis of numpy array. How would
> > you do that anyway?
> >
> > So providing a basic, working and preferably fast array type is an
> > absolute necessity to go forward. We don't want to plan upfront what
> > then. We also think providing the array type *has* to break backwards
> > compatibility or it'll be a major pain to implement, simply because
> > CPython is too different. And, as a value added, fast operations on
> > low-level data *in python* while not a priority for a lot of scipy
> > people is a priority for a lot of pypy people - it's just very useful.
> >
> > If you have a plan how to go forward *and* immediately get scipy,
> > please speak up, I don't.
> >
> > Cheers,
> > fijal
> >
> >>
> >> Ian.
> >>
> >> --
> >> Ian Ozsvald (A.I. researcher)
> >> ian at IanOzsvald.com
> >>
> >> http://IanOzsvald.com
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> >>
> >
>
>
>
> --
> Ian Ozsvald (A.I. researcher)
> ian at IanOzsvald.com
>
> http://IanOzsvald.com
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> http://StrongSteam.com/
> http://SocialTiesApp.com/
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