ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,249, issued on Feb. 24, was assigned to Advanced Micro Devices Inc. (Santa Clara, Calif.).
"Prefetching using a direct memory access engine" was invented by Vydhyanathan Kalyanasundharam (Santa Clara, Calif.), Christopher J. Brennan (Boxborough, Mass.), Joseph L Greathouse (Austin, Texas) and Mark Fowler (Boxborough, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A processing system includes one or more DMA engines that load data from memory or another cache location without storing the data after loading it. As the data propagates past caches located between the memory or other cache location that stores the requested data ("intermediate cach...