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 9836399 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 05, 2017

Filed:

Mar. 27, 2015
Applicant:

Intel Corporation, Santa Clara, CA (US);

Inventors:

Krishna N. Vinod, San Jose, CA (US);

Avinash Sodani, Portland, OR (US);

Zainulabedin Aurangabadwala, Fremont, CA (US);

Assignee:

Intel Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/12 (2016.01); G06F 12/0831 (2016.01); G06F 12/0811 (2016.01); G06F 12/123 (2016.01); G06F 12/0804 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0833 (2013.01); G06F 12/0811 (2013.01); G06F 12/123 (2013.01); G06F 12/0804 (2013.01); G06F 2212/1008 (2013.01);
Abstract

A processor includes a processing core, an L1 cache, operatively coupled to the processing core, the L1 cache comprising an L1 cache entry to store a data item, an L2 cache, inclusive with respect to the L1 cache, the L2 cache comprising an L2 cache entry corresponding to the L1 cache entry, an activity flag associated with the L2 cache entry, the activity flag indicating an activity status of the L1 cache entry, and a cache controller to, in response to detecting an access operation with respect to the L1 cache entry, set the flag to an active status.


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