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:
Sep. 11, 2018

Filed:

Jun. 23, 2016
Applicant:

Advanced Micro Devices, Inc., Sunnyvale, CA (US);

Inventors:

Sriram Srinivasan, Fort Collins, CO (US);

William L. Walker, Fort Collins, CO (US);

Assignee:

Advanced Micro Device, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/0811 (2016.01); G06F 12/0815 (2016.01); G06F 12/084 (2016.01); G06F 12/0842 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0811 (2013.01); G06F 12/084 (2013.01); G06F 12/0815 (2013.01); G06F 12/0842 (2013.01); G06F 2212/1016 (2013.01); G06F 2212/6042 (2013.01);
Abstract

A processing system includes a plurality of processor cores and a plurality of private caches. Each private cache is associated with a corresponding processor core of the plurality of processor cores and includes a corresponding first set of cachelines. The processing system further includes a shared cache shared by the plurality of processor cores. The shared cache includes a second set of cachelines, and a shadow tag memory including a plurality of entries, each entry storing state information for a corresponding cacheline of the first set of cachelines of one of the private caches.


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