ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,801, issued on June 17, was assigned to Xilinx Inc. (San Jose, Calif.).
"Descriptor cache eviction for multi-queue direct memory access" was invented by Chandrasekhar S. Thyamagondlu (Saratoga, Calif.) and Tao Yu (Campbell, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Evicting queues from a memory of a direct memory access system includes monitoring a global eviction timer. From a plurality of descriptor lists stored in a plurality of entries of a cache memory, a set of candidate descriptor lists is determined. The set of candidate descriptor lists includes one or more of the plurality of descriptor lists in a prefetch only state. An evicti...