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Establishing a group of endpoints to support collective operations without specifying unique identifiers for any endpoints

United States Patent

February 2, 2016
View the Complete Patent at the US Patent & Trademark Office
A parallel computer executes a number of tasks, each task includes a number of endpoints and the endpoints are configured to support collective operations. In such a parallel computer, establishing a group of endpoints receiving a user specification of a set of endpoints included in a global collection of endpoints, where the user specification defines the set in accordance with a predefined virtual representation of the endpoints, the predefined virtual representation is a data structure setting forth an organization of tasks and endpoints included in the global collection of endpoints and the user specification defines the set of endpoints without a user specification of a particular endpoint; and defining a group of endpoints in dependence upon the predefined virtual representation of the endpoints and the user specification.
Archer; Charles J. (Rochester, MN), Blocksome; Michael A. (Rochester, MN), Ratterman; Joseph D. (Seattle, WA), Smith; Brian E. (Knoxville, TN), Xue; Hanghong (Wappingers Falls, NY)
International Business Machines Corporation (Armonk, NY)
13/ 690,474
November 30, 2012
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.