Completion processing for data communications instructions

Blocksome, Michael A.; Kumar, Sameer; Jeffrey, Parker J.

Title: Completion processing for data communications instructions

Abstract

Completion processing of data communications instructions in a distributed computing environment with computers coupled for data communications through communications adapters and an active messaging interface (`AMI`), injecting for data communications instructions into slots in an injection FIFO buffer a transfer descriptor, at least some of the instructions specifying callback functions; injecting a completion descriptor for each instruction that specifies a callback function into an injection FIFO buffer slot having a corresponding slot in a pending callback list; listing in the pending callback list callback functions specified by data communications instructions; processing each descriptor in the injection FIFO buffer, setting a bit in a completion bit mask corresponding to the slot in the FIFO where the completion descriptor was injected; and calling by the AMI any callback functions in the pending callback list as indicated by set bits in the completion bit mask.

Inventors:: Blocksome, Michael A.; Kumar, Sameer; Jeffrey, Parker J.

Issue Date:: 2014-06-10

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1134018

Patent Number(s):: 8751595

Application Number:: 13/360,772

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

Patent Classifications (CPCs):: G - PHYSICS G06 - COMPUTING G06F - ELECTRIC DIGITAL DATA PROCESSING

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G - PHYSICS G06 - COMPUTING G06F - ELECTRIC DIGITAL DATA PROCESSING
G06F15/17306 - {Intercommunication techniques}
G06F9/546 - {Message passing systems or structures, e.g. queues}

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DOE Contract Number:: B554331

Resource Type:: Patent

Resource Relation:: Patent File Date: 2012 Nov 19

Country of Publication:: United States

Language:: English

Subject:: 97 MATHEMATICS AND COMPUTING

Citation Formats


                    Blocksome, Michael A., Kumar, Sameer, and Jeffrey, Parker J. Completion processing for data communications instructions.  United States: N. p., 2014. 
        Web.

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                    Blocksome, Michael A., Kumar, Sameer, & Jeffrey, Parker J. Completion processing for data communications instructions.  United States.

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                    Blocksome, Michael A., Kumar, Sameer, and Jeffrey, Parker J. Tue .  
        "Completion processing for data communications instructions".  United States.  https://www.osti.gov/servlets/purl/1134018.

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@article{osti_1134018,

  title        = {Completion processing for data communications instructions},

  author       = {Blocksome, Michael A. and Kumar, Sameer and Jeffrey, Parker J.},

  abstractNote = {Completion processing of data communications instructions in a distributed computing environment with computers coupled for data communications through communications adapters and an active messaging interface (`AMI`), injecting for data communications instructions into slots in an injection FIFO buffer a transfer descriptor, at least some of the instructions specifying callback functions; injecting a completion descriptor for each instruction that specifies a callback function into an injection FIFO buffer slot having a corresponding slot in a pending callback list; listing in the pending callback list callback functions specified by data communications instructions; processing each descriptor in the injection FIFO buffer, setting a bit in a completion bit mask corresponding to the slot in the FIFO where the completion descriptor was injected; and calling by the AMI any callback functions in the pending callback list as indicated by set bits in the completion bit mask.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2014},

  month        = {6}

}

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