Intranode data communications in a parallel computer

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

Title: Intranode data communications in a parallel computer

Patent · Tue Jan 07 00:00:00 EST 2014

OSTI ID:1113763

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

Intranode data communications in a parallel computer that includes compute nodes configured to execute processes, where the data communications include: allocating, upon initialization of a first process of a computer node, a region of shared memory; establishing, by the first process, a predefined number of message buffers, each message buffer associated with a process to be initialized on the compute node; sending, to a second process on the same compute node, a data communications message without determining whether the second process has been initialized, including storing the data communications message in the message buffer of the second process; and upon initialization of the second process: retrieving, by the second process, a pointer to the second process's message buffer; and retrieving, by the second process from the second process's message buffer in dependence upon the pointer, the data communications message sent by the first process.

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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):: 8,627,334

Application Number:: 13/709,305

OSTI ID:: 1113763

Resource Relation:: Patent File Date: 2012 Dec 10

Country of Publication:: United States

Language:: English

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