ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,049, issued on Dec. 23, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Yongin-si, South Korea).
"Hierarchical memory system" was invented by Heekwon Park (San Jose, Calif.), Changho Choi (San Jose, Calif.) and Yang Seok Ki (Palo Alto, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hierarchical memory system and method. In some embodiments, the method includes: demoting a first page of data from a fast memory to a slow memory; promoting the first page of data from the slow memory to an intermediate memory zone; and promoting the first page of data from the intermediate memory zone to the fast memory, wherein the intermediate memory zone inclu...