[ITK] GPU filters

[Dženan Zukić]

Hi Wei,

there has not been a lot of effort on the GPU front in ITK. The wiki page
<https://itk.org/Wiki/ITK/Release_4/GPU_Acceleration> about it is
informative, and since multi-GPU support is on the TODO
<https://itk.org/Wiki/ITK/Release_4/GPU_Acceleration#ToDo_List> list I
guess it is unsupported. More unfinished things can be found on the wish
list <https://itk.org/Wiki/ITK_Release_4/GPU_Acceleration/Wish_List>.

Regards,
Dženan

On Wed, Sep 14, 2016 at 8:56 PM, Wei Liu <weiliu620 at gmail.com> wrote:

> Hi communities,
>
> I have a few maybe vague questions about the GPU filters.
>
> - Does GPU base class support vector image (each pixel is a vector)? If I
> want to write my own custom GPU filter (or at least my code using GPU base
> class), is there anything I should keep in mind, or pitfall I should avoid
> when writing OpenCL kernel?
>
> - is multi-GPU supported? From the code, and searching online, it seems it
> is not supported yet. If that's the case, what is the difficulty of adding
> it myself? (may not in filter format, as long as it works)
>
> - What is the relationship between streaming filter, multi-threading and
> OpenCL kernels? I've read chapters in the guide book but appreciate some
> insight from the community.
>
> Thank you all!
>
> Wei
>
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