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:
Feb. 02, 2016
Filed:
Nov. 22, 2010
Xiao Jun Dai, Beijing, CN;
Subhendu Das, Durham, NC (US);
Zhi Gan, Beijing, CN;
Zhang Yue, Beijing, CN;
Xiao Jun Dai, Beijing, CN;
Subhendu Das, Durham, NC (US);
Zhi Gan, Beijing, CN;
Zhang Yue, Beijing, CN;
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Abstract
A cache memory device includes a plurality of cache areas, each the cache area comprising a plurality of entries. The cache memory device is configured to maintain a separate lock attribute for each the cache area and temporarily assign possession of a lock attribute for a particular the cache area to a processor thread attempting to update the particular the cache area, the processor thread being unable to update the particular the cache area without possession of the lock attribute for the particular the cache area.