US Patent Issued to International Business Machines on Dec. 9 for "Cross-core invalidation snapshot management" (Texas, New York Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,553, issued on Dec. 9, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Cross-core invalidation snapshot management" was invented by Richard Joseph Branciforte (Austin, Texas), Gregory William Alexander (Pflugerville, Texas), Timothy Bronson (Round Rock, Texas), Deanna Postles Dunn Berger (Hyde Park, N.Y.), Akash V. Giri (Austin, Texas) and Aaron Tsai (Hyde Park, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lower-level cache managing cross-core invalidation (XI) snapshots in a shared-memory multiprocessing system, wherein the management of XI snapshots reduces an amount of required snapshots while allowing shared lower-...