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:
Mar. 04, 2025

Filed:

Feb. 22, 2023
Applicant:

Graphcore Limited, Bristol, GB;

Inventors:
Assignee:

GRAPHCORE LIMITED, Bristol, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/4401 (2018.01); G06F 9/52 (2006.01);
U.S. Cl.
CPC ...
G06F 9/4418 (2013.01); G06F 9/522 (2013.01);
Abstract

Each of the nodes stores a number, referred to herein as a generation number, which is updated whenever the respective node undergoes a reset and restart from checkpoint. Since the nodes of the system participate in the same reset event, at most times, each generation number held by a node will be the same across the system. However, in some cases, when one node resets before another node, the generation numbers between those two nodes will differ. The data frames sent between the nodes each comprise a generation number of the sending node, which is checked by the recipient and only accepted if the generation number in the frames matches the generation number of the recipient node.


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