binarycortex wrote:An interesting finding today. I decided to try diamond cauchy settings with my sppm luxball. (viewtopic.php?f=14&t=5598) But I noticed that it took much longer to calculate the hit points. I am guessing this is due to the high IOR. Any thoughts?
May be, if there are a lot of internal reflections, the average length of eye paths will much much higher, leading to longer time for the eye path.