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:
Mar. 25, 2014
Filed:
Aug. 02, 2012
Harold Wade Cain, Iii, Hartsdale, NY (US);
Jong-deok Choi, Seongnam, KR;
Harold Wade Cain, III, Hartsdale, NY (US);
Jong-Deok Choi, Seongnam, KR;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A cache management method using checkpoint tags in checkpoint mode includes steps of: receiving a request to save data; fetching at least one cache block including the data from cache memory; writing the data from the at least one cache block into the data array; writing a physical address and metadata of the cache block into an array of cache memory tags; and upon receipt of a restore request: fetching an identifier for the at least one cache block stored in the checkpoint tag array; reloading the cache memory with the at least one cache block in the checkpoint tag array; and switching to normal mode.