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:
Apr. 14, 2015
Filed:
Dec. 11, 2012
Fujitsu Limited, Kawasaki-shi, JP;
Go Sugizaki, Machida, JP;
Naoya Ishimura, Tama, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An information processing apparatus includes a first arithmetic processing unit, a second arithmetic processing unit that is connected to a main storage, and a third arithmetic processing unit. The first arithmetic processing unit includes a cache memory that retains therein data. The second arithmetic processing unit includes a processing unit that notifies, when a read request for the data from the third arithmetic processing unit is not being executed when the replacement request is received, the first arithmetic processing unit of a completion notification indicating that the data has been written back to the main storage and the replacement process is completed and that notifies, when the read request is being executed when the replacement request is received, the first arithmetic processing unit of the completion notification after the read request has ended.