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:
Sep. 18, 2018
Filed:
Apr. 07, 2015
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Timothy J. Dell, Colchester, VT (US);
Shwetha Janardhan, Bangalore, IN;
Sairam Kamaraju, Bangalore, IN;
Saravanan Sethuraman, Bangalore, IN;
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/0806 (2016.01); G06F 12/0811 (2016.01); G06F 12/0817 (2016.01); G06F 12/0897 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0806 (2013.01); G06F 12/0811 (2013.01); G06F 12/0822 (2013.01); G06F 12/0897 (2013.01); G06F 2212/1032 (2013.01); G06F 2212/283 (2013.01); G06F 2212/313 (2013.01); G06F 2212/621 (2013.01);
Abstract
In one aspect a method includes determining, by a controller of a memory system, that a cache line of one of a plurality of levels of cache in the memory system has been modified. An aspect also includes copying the modified cache line to an auxiliary storage element, and setting a flag in a cache directory for the modified cache line to indicate a cache state of mirrored modified.