Data communications in a parallel active messaging interface of a parallel computer

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

Data communications in a parallel active messaging interface of a parallel computer

Patent · Tue Nov 18 04:00:00 EST 2014

OSTI ID:1163982

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

Data communications 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, endpoints coupled for data communications through the PAMI and through data communications resources, including receiving in an origin endpoint of the PAMI a SEND instruction, the SEND instruction specifying a transmission of transfer data from the origin endpoint to a first target endpoint; transmitting from the origin endpoint to the first target endpoint a Request-To-Send (`RTS`) message advising the first target endpoint of the location and size of the transfer data; assigning by the first target endpoint to each of a plurality of target endpoints separate portions of the transfer data; and receiving by the plurality of target endpoints the transfer data.

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

Sponsoring Organization:: USDOE

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

Patent Number(s):: 8,891,371

Application Number:: 13/676,700

OSTI ID:: 1163982

Country of Publication:: United States

Language:: English

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