ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,753, issued on Feb. 24, was assigned to Intel Corp. (Santa Clara, Calif.).
"Node prefetching in a wide BVH traversal with a stack" was invented by Sven Woop (Voelklingen SL, Germany), Carsten Benthin (Voelklingen SL, Germany), Prasoonkumar Surti (Folsom, Calif.), Joshua Barczak (Forest Hill, Md.), Abhishek R. Appu (El Dorado Hills, Calif.) and Pawel Majewski (Rotmanka, Poland).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and method for prefetching node data. For example, one embodiment of an apparatus comprises: ray tracing acceleration hardware to manage active ray tracing stack allocations within a traversal stack; and stack management ...