2.92, Optix CPU + GPU is slower than GPU only

[YAFU]

@nirin

this is on barbershop

This is not a suitable scene for testing with OptiX:

Blender Benchmark and Open Data website - feedback

Hi. I was wondering about barbershop_interior scene. By default scene (CUDA/OpenCL) uses Branched Path Tracing. OptiX does not support BPT. So is the benchmark using a modified scene using Path Tracing to make more reliable results when comparing OptiX vs other device types? For reliable benchmark results, one would like the scenes to be configured with similar supported features by all device types. Otherwise, side-by-side comparisons are meaningless. EDIT: In short, I think barbershop_inte…