Constant time worker thread allocation via configuration caching

Eichenberger, Alexandre E; O'Brien, John K. P.

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Title: Constant time worker thread allocation via configuration caching

Abstract

Mechanisms are provided for allocating threads for execution of a parallel region of code. A request for allocation of worker threads to execute the parallel region of code is received from a master thread. Cached thread allocation information identifying prior thread allocations that have been performed for the master thread are accessed. Worker threads are allocated to the master thread based on the cached thread allocation information. The parallel region of code is executed using the allocated worker threads.

Inventors:: Eichenberger, Alexandre E; O'Brien, John K. P.

Issue Date:: Tue Nov 04 00:00:00 EST 2014

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1163186

Patent Number(s):: 8881159

Application Number:: 13/070,811

Assignee:: International Business Machine 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
G06F9/5066 - {Algorithms for mapping a plurality of inter-dependent sub-tasks onto a plurality of physical CPUs

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DOE Contract Number:: B554331

Resource Type:: Patent

Resource Relation:: Patent File Date: 2011 Mar 24

Country of Publication:: United States

Language:: English

Subject:: 97 MATHEMATICS AND COMPUTING

Citation Formats


                    Eichenberger, Alexandre E, and O'Brien, John K. P. Constant time worker thread allocation via configuration caching.  United States: N. p., 2014. 
        Web.

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                    Eichenberger, Alexandre E, & O'Brien, John K. P. Constant time worker thread allocation via configuration caching.  United States.

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                    Eichenberger, Alexandre E, and O'Brien, John K. P. Tue .  
        "Constant time worker thread allocation via configuration caching".  United States.  https://www.osti.gov/servlets/purl/1163186.

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@article{osti_1163186,

  title        = {Constant time worker thread allocation via configuration caching},

  author       = {Eichenberger, Alexandre E and O'Brien, John K. P.},

  abstractNote = {Mechanisms are provided for allocating threads for execution of a parallel region of code. A request for allocation of worker threads to execute the parallel region of code is received from a master thread. Cached thread allocation information identifying prior thread allocations that have been performed for the master thread are accessed. Worker threads are allocated to the master thread based on the cached thread allocation information. The parallel region of code is executed using the allocated worker threads.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Nov 04 00:00:00 EST 2014},

  month        = {Tue Nov 04 00:00:00 EST 2014}

}

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