ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,744, issued on Aug. 12, was assigned to Dell Products LP (Round Rock, Texas).
"Ghost list cache eviction" was invented by Keyur B. Desai (Cary, N.C.) and Xiaobing Zhang (Saratoga, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "One example method includes a cache eviction operation. Entries in a cache are maintained in an entry list that includes a recent list, a recent ghost list, a frequent list, and a frequent ghost list. When an eviction operation is initiated or triggered, timestamps of last access for the entries in the entry list are adjusted by corresponding adjustment values. Candidate entries for eviction are identified based on the ...