I doubt it is anything specific to my branch none the less, as I cannot think of what would actually do that. As has stated, there is a lot of features all crammed into one, it could be any combination of things. Saying that, I see no performance impact using my branch or downclocking of my card (I have a Titan X). You could try the version prior to me adding LPV to see if that changes things, maybe its just the state of LPV at time. Unfortunately without any kind of repro case, I probably won’t be able to do anything to fix it.