[Paraview] Coprocessing with accelerators

[David E DeMarle]

I am not sure if anyone has tried putting Piston and Coprocessing together
yet. If so I would like to hear about it. If not and someone is trying, I
wouldn't mind getting involved in that effort.

But yes Mark you are right. As it stands there will be a round trip in
between the simulation and vis stages. We will have to extend Catalyst with
the ability to create a vtkPistonDataObject that refers to the data already
on the GPU in order to avoid it.







David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909


On Tue, Aug 20, 2013 at 12:45 PM, Vanmoer, Mark W <mvanmoer at illinois.edu>wrote:

>  Hello, for a CUDA application with coprocessing, is it correct that
> between a simulation step and coprocessing that the data will make a
> roundtrip from the device to the host and back to the device, since parts
> of the vis pipeline run on the CPU?****
>
> ** **
>
> Can Piston work with coprocessing, would that avoid this round-trip? ****
>
> ** **
>
> How about for Xeon Phis?****
>
> ** **
>
> Thanks,****
>
> Mark****
>
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