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. 04, 2020

Filed:

Dec. 13, 2017
Applicant:

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

Inventor:

Burkhard Steinmacher-Burow, Esslingen am Neckar, DE;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/08 (2016.01); G06F 12/0817 (2016.01); G06F 12/1009 (2016.01); G06F 12/1027 (2016.01); G06F 12/084 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0828 (2013.01); G06F 12/084 (2013.01); G06F 12/0817 (2013.01); G06F 12/1009 (2013.01); G06F 12/1027 (2013.01); G06F 2212/621 (2013.01); G06F 2212/65 (2013.01);
Abstract

A computer implemented method for managing cache requests includes creating a transient table including records corresponding to one or more participant caches in a system, receiving a new request with respect to an address, wherein the request includes one or more controller actions to be executed, and wherein the request corresponds to one of the one or more participant caches in the system, determining whether an entry exists in the directory table corresponding to the address indicated by the received request, determining whether an entry exists in the transient table for the address indicated by the received request, processing the transient entry indicated by the index in the directory entry to provide a current state of the address indicated by the received request, and appropriating requested controller actions according to the directory table entry, the transient entry, and the received request.


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