ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,629, issued on Nov. 11, was assigned to Baya Systems Inc. (Santa Clara, Calif.).
"Snoop filter sharer vector expansion" was invented by Swapnil Lotlikar (San Jose, Calif.), Joji Philip (San Jose, Calif.) and James Aldis (England, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for a snoop filter includes using binary encodings and vector encodings to represent owner and sharers of cache lines of a cache. The vector encodings can be split across the multiple ways of the snoop filter via a vector range identifier and a common tag. Further, only vector ranges having at least one sharer from the sharers are allocated a way from the...