[Numpy-discussion] Performance feature for np.isin and np.in1d
Miles Cranmer
miles.cranmer at gmail.com
Tue Oct 9 14:01:48 EDT 2018
Hi,
I was wondering how I could have this PR merged (
https://github.com/numpy/numpy/pull/12065)? The discussion on the PR seems
to have gone well and all tests pass.
Cheers,
Miles
On Mon, Oct 1, 2018 at 2:36 PM Miles Cranmer <miles.cranmer at gmail.com>
wrote:
> (Not sure what the right list is for this)
>
> Hi,
>
> I have started a PR for a "fast_integers" flag for np.isin and np.in1d
> which greatly increases performance when both arrays are integral. It works
> by creating a boolean array with elements set to 1 where the parent array
> (ar2) has elements and 0 otherwise. This array is then indexed by the child
> array (ar1) to create the output.
>
> https://github.com/numpy/numpy/pull/12065
>
> Thoughts on this? Please let me know if you have any questions about my
> addition.
>
> Thank you.
> Best regards,
> Miles
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/numpy-discussion/attachments/20181009/389401e6/attachment.html>
More information about the NumPy-Discussion
mailing list