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Administering truncated receive functions in a parallel messaging interface

United States Patent

8,909,716
December 9, 2014
View the Complete Patent at the US Patent & Trademark Office
Administering truncated receive functions in a parallel messaging interface (`PMI`) of a parallel computer comprising a plurality of compute nodes coupled for data communications through the PMI and through a data communications network, including: sending, through the PMI on a source compute node, a quantity of data from the source compute node to a destination compute node; specifying, by an application on the destination compute node, a portion of the quantity of data to be received by the application on the destination compute node and a portion of the quantity of data to be discarded; receiving, by the PMI on the destination compute node, all of the quantity of data; providing, by the PMI on the destination compute node to the application on the destination compute node, only the portion of the quantity of data to be received by the application; and discarding, by the PMI on the destination compute node, the portion of the quantity of data to be discarded.
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/ 892,153
20120079035
September 28, 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.