Managing internode data communications for an uninitialized process in a parallel computer

Archer, Charles J; Blocksome, Michael A; Miller, Douglas R; Parker, Jeffrey J; Ratterman, Joseph D; Smith, Brian E

Title: Managing internode data communications for an uninitialized process in a parallel computer

Patent · Tue May 20 00:00:00 EDT 2014

OSTI ID:1131866

Archer, Charles J; Blocksome, Michael A; Miller, Douglas R; Parker, Jeffrey J; Ratterman, Joseph D; Smith, Brian E

A parallel computer includes nodes, each having main memory and a messaging unit (MU). Each MU includes computer memory, which in turn includes, MU message buffers. Each MU message buffer is associated with an uninitialized process on the compute node. In the parallel computer, managing internode data communications for an uninitialized process includes: receiving, by an MU of a compute node, one or more data communications messages in an MU message buffer associated with an uninitialized process on the compute node; determining, by an application agent, that the MU message buffer associated with the uninitialized process is full prior to initialization of the uninitialized process; establishing, by the application agent, a temporary message buffer for the uninitialized process in main computer memory; and moving, by the application agent, data communications messages from the MU message buffer associated with the uninitialized process to the temporary message buffer in main computer memory.

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Research Organization:: International Business Machines Corp., Armonk, NY (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: B554331

Assignee:: International Business Machines Corporation (Armonk, NY)

Patent Number(s):: 8,732,726

Application Number:: 13/710,066

OSTI ID:: 1131866

Country of Publication:: United States

Language:: English

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