Originally posted by ultimA
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Yes the opencl performance depends on the opencl implementation and the limitation of the hardware. There will be particular cases where the p2p memory transfer is cost problem because of the difference in operational speeds..
ultmA think prime where you are rendering on one GPU and outputing on another this is a p2p memory setup that avoids going by the CPU memory. Lot of ways since we have had DMABUF for this it make sense to allow compute workloads running on different gpu to share data the same way and in a GPU neutral way.
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