> Anybody knows where the OpenCL patch stores it's data in memory? On the GPU's 
> RAM or in the main RAM? If I do a serial of OpenCL patches will it go 
> GPU-Host-GPU-Host? Or is it superoptimized to do and store everything in the 
> GPU?


This depends on the compute device selected - GPU devices will store their data 
in vram, else system memory.  Generally you won't round-trip data between 
OpenCL patches in a sequence.

--
Christopher Wright
christopher_wri...@apple.com

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