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:
Feb. 07, 2023

Filed:

Aug. 18, 2021
Applicant:

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

Inventors:

Hugh Shen, Round Rock, TX (US);

Guy L. Guthrie, Round Rock, TX (US);

Jeffrey A. Stuecheli, Austin, TX (US);

Luke Murray, Austin, TX (US);

Alexander Michael Taft, Austin, TX (US);

Bernard C. Drerup, Austin, TX (US);

Derek E. Williams, Round Rock, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/08 (2016.01); G06F 3/06 (2006.01); G06F 12/0862 (2016.01); G06F 12/0811 (2016.01); G06F 12/0817 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0862 (2013.01); G06F 3/0604 (2013.01); G06F 3/0635 (2013.01); G06F 3/0659 (2013.01); G06F 3/0679 (2013.01); G06F 12/0811 (2013.01); G06F 12/0828 (2013.01);
Abstract

A coherent data processing system includes a system fabric communicatively coupling a plurality of coherence participants and fabric control logic. The fabric control logic quantifies congestion on the system fabric based on coherence messages associated with commands issued on the system fabric. Based on the congestion on the system fabric, the fabric control logic determines a rate of request issuance applicable to a set of coherence participants among the plurality of coherence participants. The fabric control logic issues at least one rate command to set a rate of request issuance to the system fabric of the set of coherence participants.


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