Numpy Histogramdd support?

[tibbon]

Any chance of working in more efficient multi-dimensional histograms?

[robbmcleod]

I doubt it as numexpr focuses on principle operations. Such a thing as binning data isn't on the radar at the moment, as dimension reduction operations are tougher to multi-thread efficiently. A multi-dimensional histogram would have to be implemented by hand in C, I think, probably using something like the GNU Scientific Library implementation as a template.

What I would suggest is you take a look at Numba to write such an algorithm. It's a just-in-time compiler that can translate pure python into efficient byte-code. That may be more practical.

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