raytracing with CUDA

Question

I\'m currently implementing a raytracer. Since raytracing is extremely computation heavy and since I am going to be looking into CUDA programming anyway, I was wondering if

Answer 1

Nvidia demo'ed a ray-tracer in CUDA at their conference NVision this year. Here's a link to their slides about it.

http://www.nvidia.com/object/nvision08-IRT.html