I am not sure, but can Renderman use the GPU, since I read if you use OSL in Cyc...

eggy on July 17, 2015 | parent | context | favorite | on: Intro to RenderMan for Blender

I am not sure, but can Renderman use the GPU, since I read if you use OSL in Cycles it is restricted to the CPU only. The node editor can utilize the GPU, but not OSL.