Hi. Tried the latest build today (April 4th) and had a feeling that IR was extremely slow. It showed a very rough render in a very long time before it refined to a level of recognition. After having tried more files and hiding different object, I found that it was related to the pass amount: It had to run 3 passes before it refined.
Then I opened the render setup developement tab, and changed the "IR Subsampling" number from 3 to 1, and now IR works OK (for me).
So now I'm just wondering: Is 1 pass for IR Subsampling "bad" since default is 3? What do I loose by doing this?
Regards