Publications Understanding the Efficiency of Ray Traversal on GPUs - Kepler and Fermi Addendum Understanding the Efficiency of Ray Traversal on GPUs - Kepler and Fermi Addendum This technical report is an addendum to the HPG2009 paper "Understanding the Efficiency of Ray Traversal on GPUs", and provides citable performance results for Kepler and Fermi architectures. We explain how to optimize the