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:
Jan. 31, 2012
Filed:
Feb. 01, 2008
Lakshminarayana B. Arimilli, Austin, TX (US);
Ravi K. Arimilli, Austin, TX (US);
Jerry D. Lewis, Round Rock, TX (US);
Warren E. Maule, Cedar Park, TX (US);
Lakshminarayana B. Arimilli, Austin, TX (US);
Ravi K. Arimilli, Austin, TX (US);
Jerry D. Lewis, Round Rock, TX (US);
Warren E. Maule, Cedar Park, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method of data processing in a cache memory includes caching a plurality of cache lines of data in a corresponding plurality of entries in a cache array, where each of the plurality of cache lines includes multiple data granules. For each of the plurality of cache entries, a plurality of line coherency state fields indicates an associated coherency state applicable to two or more data granules. For at least a particular cache line among the plurality of cache lines, a granule coherency state field indicates a coherency state for a particular granule of the multiple data granules in the particular cache line, where the coherency state field indicated by the granule coherency state field differs from that indicated for the particular cache line by its line coherency state field.