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Patrick Mours f367f1e5a5 Cycles: Improve OptiX viewport denoising performance with CUDA rendering ...

With this patch Cycles recognizing when a logical OptiX and CUDA device represent the same
physical GPU and attempts to eliminate unnecessary tile copies for viewport rendering if that
is the case for all active devices. In addition, denoising is now no longer performed on the first
available OptiX device only, but instead it will try to match CUDA and OptiX
rendering/denoising devices exactly to maximize utilization.

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D7975

2020-06-10 14:12:13 +02:00

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