RFC: Multiple backends + speedy looping

[Nadav Horesh]

I am working on a simple frame work as a replacement for
ndimage.genereic_filter and numeric's neighbourhood iterator (I hope it
would be faster and easier to use).

Do you plan that the backend engine would fill this purpose?

  Nadav.
בתאריך 1 במרץ 2012 01:13, מאת Stéfan van der Walt <stefan at sun.ac.za>:

> Hello everyone,
>
> After the skimage 0.5 release, it's time to start planning the Next
> Big Thing (TM).  I hoped there would be a better solution by now, but
> it seems that one of our main weak points is still that we cannot do
> fast looping over images (e.g., filtering).
>
> We have multiple computing back-end support available as a pull
> request from Pieter Holtzhausen's GSOC--the code is fairly simple to
> understand, and doesn't complicate the framework more than necessary.
> This will allow us to, when doing convolutions e.g., first try doing
> it via OpenCL, and then to fall back to the CPU.  We also have a full
> testing framework in place, so that the output from different
> back-ends are compared.
>
> Have a look at the code here:
>
> https://github.com/scikits-image/scikits-image/pull/14/files
>
> If you have a better solution or other alternatives in mind, please
> let me know; I'm keen to explore this space further.
>
> Regards
> Stéfan
>
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