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.

Date of Patent:
Aug. 11, 2015

Filed:

Feb. 24, 2013
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventor:

Thomas R. Bolt, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/02 (2006.01); G06F 12/12 (2006.01); G06F 12/08 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G06F 12/0866 (2013.01); G06F 12/0868 (2013.01); G06F 12/12 (2013.01); G06F 12/123 (2013.01); G06F 12/127 (2013.01); G06F 2212/222 (2013.01);
Abstract

The present invention is a system and method for utilizing shadow/ghost list to prevent excessive wear on FLASH based cache devices. The method determines when data is highly likely to be accessed again, and avoids writes to a FLASH based caching device when data is unlikely to be accessed again through the use of 'shadow' or 'ghost' lists that are also used to perform adaptive caching.


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