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Identifying logical planes formed of compute nodes of a subcommunicator in a parallel computer

United States Patent

9,330,059
May 3, 2016
View the Complete Patent at the US Patent & Trademark Office
In a parallel computer, a plurality of logical planes formed of compute nodes of a subcommunicator may be identified by: for each compute node of the subcommunicator and for a number of dimensions beginning with a first dimension: establishing, by a plane building node, in a positive direction of the first dimension, all logical planes that include the plane building node and compute nodes of the subcommunicator in a positive direction of a second dimension, where the second dimension is orthogonal to the first dimension; and establishing, by the plane building node, in a negative direction of the first dimension, all logical planes that include the plane building node and compute nodes of the subcommunicator in the positive direction of the second dimension.
Davis; Kristan D. (Rochester, MN), Faraj; Daniel A. (Rochester, MN)
International Business Machines Corporation (Armonk, NY)
13/ 800,226
20140281377
March 13, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Contract No. B554331 awarded by the Department of Energy. The Government has certain rights in this invention.