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:
Aug. 23, 2011
Filed:
Aug. 26, 2008
Tomoyuki Okawa, Kawasaki, JP;
Kuniki Morita, Kawasaki, JP;
Tomoyuki Okawa, Kawasaki, JP;
Kuniki Morita, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A degeneration control device that controls degeneration of a cache having a plurality of ways based on an error that occurs in response to an access request, includes a cache line degeneration information memory unit, which stores cache line degeneration information that indicates whether a cache line constituting each of the plurality of ways is degenerated, and a degeneration control unit, which writes, when an error that occurs in response to the access request causes a predetermined condition to be met, cache line degeneration information that indicates a predetermined cache line where the error occurs is degenerated in the cache line degeneration information memory unit.