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I have done some further testing on the scene, and while I was reluctant to, I switched to VRay Next ADV (non GPU) and rendered the clip. There were no problems with the render at all, which leads me to believe that something inconsistent is happening during the light calculation when using GPU rendering. I still hope to hear back from someone at Chaos Group about whether or not it is possible to that particular clip and others like it to render on GPU consistently, as it is still much faster.
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I spoke too soon again. After finishing my clip over night, it seems on VRay Next CPU I still get a few problem frames. Noticeably less than on GPU, (on GPU I had 8-12 problem frames, and on CPU I had only 2), but at this point I have little confidence in the BFLC method. This is the case with Full Lighting evaluation, not adaptive. It works sometimes, and sometimes it doesn't. My anxiety level is through the roof haha. When I increase the subdivs and retrace values it seems to help these frames, but I'd like to be able to walk away from my render with some confidence knowing the frames are going to turn out fine. I'm still eager to hear back from you guys if I've done something janky in my project as well, or if there is indeed a bug here.Comment
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