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:
Dec. 03, 2019

Filed:

Jun. 08, 2018
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Toshihiro Shimizu, Kawasaki, JP;

Kohta Nakashima, Kawasaki, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/44 (2006.01); H04L 12/751 (2013.01);
U.S. Cl.
CPC ...
H04L 12/44 (2013.01); H04L 45/02 (2013.01);
Abstract

An information processing system includes switches coupled to each other in a form of a Latin square fat-tree and apparatuses coupled to the switches. A processor of a first apparatus coupled to one of first switches executes a first reduce with others of the first apparatuses. A processor of a second apparatus coupled to a representative switch executes a second reduce with representative apparatuses of respective switches belonging to a group corresponding to the second apparatus. The processor of the second apparatus executes Allreduce with others of the second apparatuses and transmits the result of the Allreduce to the representative apparatuses of the respective switches belonging to the group corresponding to the second apparatus. A processor of a representative apparatus that receives the result of the Allreduce transmits the result of the Allreduce to others of apparatuses coupled to a switch to which the representative apparatus is coupled.


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