Hi Mark, There are other people interested in this as well since as you point out it can be a bit of a waste to move data from the GPU to the CPU and then back to the GPU. I don't know anyone that is working on this problem yet either but it will be a necessary improvement that eventually should be done. Hopefully it's just an SBIR or STTR away :)
Andy On Tue, Aug 20, 2013 at 3:57 PM, David E DeMarle <[email protected]>wrote: > 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 > <[email protected]>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**** >> >> _______________________________________________ >> Powered by www.kitware.com >> >> Visit other Kitware open-source projects at >> http://www.kitware.com/opensource/opensource.html >> >> Please keep messages on-topic and check the ParaView Wiki at: >> http://paraview.org/Wiki/ParaView >> >> Follow this link to subscribe/unsubscribe: >> http://www.paraview.org/mailman/listinfo/paraview >> >> > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Follow this link to subscribe/unsubscribe: > http://www.paraview.org/mailman/listinfo/paraview > >
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