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.:

US 8799727 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 05, 2014

Filed:

Jan. 08, 2013
Applicant:

Fujitsu Limited, Kawasaki, JP;

Inventor:

Noriko Takagi, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G06F 13/00 (2006.01); G06F 11/10 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1064 (2013.01);
Abstract

An arithmetic processing apparatus includes a cache memory to store data in cache lines, an error detecting unit to detect an error occurring in one of the cache lines, a way comparing unit to compare way identification information of a cache line to be accessed with error-way identification information, a word comparing unit to compare a word address of the cache line to be accessed with an error word address, a column comparing unit to compare a column address of the cache line to be accessed with an error column address, and a control unit to disable all cache lines sharing a failed word line in response to results of comparisons made by the way comparing unit, the word comparing unit, and the column comparing unit when the error detecting unit detects a second error occurring in any one of the cache lines after the occurrence of the first error.


Find Patent Forward Citations

Takagi, Noriko. (2014). Arithmetic processing apparatus and method of controlling arithmetic processing apparatus (U.S. Patent No. 8799727). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8799727

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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