On Sat, Oct 27, 2018 at 6:10 AM Hameer Abbasi <einstein.edi...@gmail.com> wrote:
> Hi Stefan! > > PyData/Sparse is pretty far along, by January or so we should have a > CSR/CSC replacement that is ND. It needs optimisation in a lot of cases but > the API is compatible with NumPy and works pretty well already IMO. > > PyData/Sparse is pretty much independent of any changes to scipy.sparse at > this point. We build on top of NumPy, not scipy.sparse. > > Feel free to use any or all of my code for sparray, although I think Ralf > Gommers, Matthew Rocklin and others were of the opinion that the data > structure should stay in PyData/Sparse and linear algebra and csgraph etc > should go into SciPy. > Just to make sure we're talking about the same things here: Stefan, I think with "sparray" you mean "an n-D sparse array implementation that lives in SciPy", nothing more specific? In that case pydata/sparse is the one implementation, and including it in scipy.sparse would make it "sparray". I'm currently indeed leaning towards depending on pydata/sparse rather than including it in scipy. Cheers, Ralf > Best Regards, > Hameer Abbasi > > On Friday, Oct 26, 2018 at 7:03 PM, Stefan van der Walt < > stef...@berkeley.edu> wrote: > Hi Hameer, > > On Fri, 26 Oct 2018 10:47:09 +0200, Hameer Abbasi wrote: > > The only core functionality dependent on scipy.sparse is matrix > multiplication and the like. Everything else is for inter-operability. > > > Thank you for commenting here. > > As you know, I am enthusiastic about seeing an `sparray` equivalent to > `spmatrix`. When we last spoke, my recollection was that it would be > beneficial to `pydata/sparse`. Is this still correct? > > If not, are we now in a situation where it would be more helpful to > build `sparray` based on `pydata/sparse`. > > If we can have a good sparse array API in place in SciPy, it may > significantly simplify code in various other libraries (I'm thinking of > scikit-learn, e.g.). > > Best regards, > Stéfan > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@python.org > https://mail.python.org/mailman/listinfo/numpy-discussion > > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@python.org > https://mail.python.org/mailman/listinfo/numpy-discussion >
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