The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 2025
Filed:
Aug. 23, 2022
International Business Machines Corporation, Armonk, NY (US);
Richard Joseph Branciforte, Austin, TX (US);
Gregory William Alexander, Pflugerville, TX (US);
Timothy Bronson, Round Rock, TX (US);
Deanna Postles Dunn Berger, Hyde Park, NY (US);
Akash V. Giri, Austin, TX (US);
Aaron Tsai, Hyde Park, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
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-level caches, comprising: the lower-level cache maintaining respective response sync state for at least one processor in a plurality of processors signifying that a line may have been changed by another processor since last fetched by a requesting processor.