[Bf-cycles] Branched PT + Correlated Multi-Jitter & MIS on Background increase rendertimes tremendously!

[Zauber Paracelsus]

I had thought it was disabled, because when I set cycles to GPU Compute, 
the sampling pattern selector is hidden.

On 02/27/2015 01:49 AM, Sergey Sharybin wrote:
> It's not getting disabled, but it doesn't use some optimizations 
> either.And seems we can use some CUDA intrinsics in few places to 
> hopefully speed things up. Will give it a try.