Intel 8-Way Multi-GPU MIC Knights Ferry demo

Intel was running a real-time ray-tracing demo of Wolfenstein at the IDF in San Francisco. According to xbitlabs to achieve this feat, the company used a 2-way Xeon server with eight Knights Ferry graphics cards.
At the Intel Developer Forum 2011, Intel Corp. showcased a system running a new version of its real-time “Wolfenstein” ray-tracing demo. In order to render the game scenes in full HD (1080p) resolution and with additional visual effects, Intel had to use a 2-way Xeon system with eight code-named Knights Ferry compute accelerators.
The up-to-date Wolfenstein game is rendered through a real-time ray tracer with several special effects that haven’t been possible before in games with..... »read more

More at: Guru of 3D Add additional source