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Processing communications events in parallel active messaging interface by awakening thread from wait state

United States Patent

October 22, 2013
View the Complete Patent at the US Patent & Trademark Office
Processing data communications events in a parallel active messaging interface (`PAMI`) of a parallel computer that includes compute nodes that execute a parallel application, with the PAMI including data communications endpoints, and the endpoints are coupled for data communications through the PAMI and through other data communications resources, including determining by an advance function that there are no actionable data communications events pending for its context, placing by the advance function its thread of execution into a wait state, waiting for a subsequent data communications event for the context; responsive to occurrence of a subsequent data communications event for the context, awakening by the thread from the wait state; and processing by the advance function the subsequent data communications event now pending for the context.
Archer; Charles J. (Rochester, MN), Blocksome; Michael A. (Rochester, MN), Ratterman; Joseph D. (Rochester, MN), Smith; Brian E. (Rochester, MN)
International Business Machines Corporation (Armonk, NY)
12/ 943,105
November 10, 2010
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.