Hallo! I have very long GI miscalculation. PT + PT, 7 hours i had 36 passes, 1 hour 33 minutes with PT+HD and i have this.
6 RAM, i7 930 up to 4 Gz, Win 7 64x, 3ds Max 2014 x64. In "Development" I changed acc. structure to BVH full SAH because i had windows freeze on Building acc. structure.