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Endpoint-Based Parallel Data Processing In A Parallel Active Messaging Interface Of A Parallel Computer

United States Patent Application

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Endpoint-based parallel data processing in a parallel active messaging interface (`PAMI`) of a parallel computer, the PAMI composed of data communications endpoints, each endpoint including a specification of data communications parameters for a thread of execution on a compute node, including specifications of a client, a context, and a task, the compute nodes coupled for data communications through the PAMI, including establishing a data communications geometry, the geometry specifying, for tasks representing processes of execution of the parallel application, a set of endpoints that are used in collective operations of the PAMI including a plurality of endpoints for one of the tasks; receiving in endpoints of the geometry an instruction for a collective operation; and executing the instruction for a collective operation through the endpoints in dependence upon the geometry, including dividing data communications operations among the plurality of endpoints for one of the tasks.
Archer, Charles J. (Rochester, MN), Blocksome, Michael A. (Rochester, MN), Ratterman, Joseph D. (Rochester, MN), Smith, Brian E. (Rochester, MN)
12/ 963,671
December 9, 2010
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] This invention was made with Government support under Contract No. B544331 awarded by the Department of Energy. The Government has certain rights in this invention.