Just as a note, the low frame rates visible in the images are due to running the display accross the network. Typical real time ray tracer frame rates are much higher.

7.5 Million rays for 770,000 texels
75 Million rays for 770,000 texels
750 Million rays for 770,000 texels
100 Billion rays for 2,200,000 texels
*NOTE* This simulation had a 4th white wall that you can't see