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:
Jul. 16, 2024

Filed:

Apr. 05, 2022
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Tu-An T. Nguyen, Austin, TX (US);

Matthias Klein, Poughkeepsie, NY (US);

Gregory William Alexander, Pflugerville, TX (US);

Jason D. Kohl, Austin, TX (US);

Winston Herring, Austin, TX (US);

Timothy Bronson, Round Rock, TX (US);

Christian Jacobi, West Park, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/08 (2016.01); G06F 9/34 (2018.01); G06F 9/38 (2018.01); G06F 12/0815 (2016.01); G06F 12/084 (2016.01); G06F 12/0897 (2016.01);
U.S. Cl.
CPC ...
G06F 12/084 (2013.01); G06F 9/34 (2013.01); G06F 9/3816 (2013.01); G06F 12/0815 (2013.01); G06F 12/0897 (2013.01);
Abstract

Embodiments are for using a decentralized hot cache line tracking fairness mechanism. In response to receiving an incoming request to access a cache line, a determination is made to grant access to the cache line based on a requested state and a serviced state used for maintaining the cache line, a structure comprising the requested and serviced states. In response to the determination to grant access to the cache line, the requested state and the serviced state are transferred along with data of the cache line.


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