ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,248, issued on Feb. 24, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Snoop filter entry using a partial vector" was invented by Eric Francis Robinson (Raleigh, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The described technology provides a method including generating a full tracking vector wherein each bit of the full tracking vector indicates cache validity state of a coherence granule (cogran) in agent cache for a related agent, dividing the tracking vector into a plurality of partial vectors (PVECs), for each PVEC, determining whether cache validity state of at least one bit in the PVEC is set to valid, and in res...