Multithreading in vector processors

Evangelinos, Constantinos; Kim, Changhoan; Nair, Ravi

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Title: Multithreading in vector processors

Abstract

In one embodiment, a system includes a processor having a vector processing mode and a multithreading mode. The processor is configured to operate on one thread per cycle in the multithreading mode. The processor includes a program counter register having a plurality of program counters, and the program counter register is vectorized. Each program counter in the program counter register represents a distinct corresponding thread of a plurality of threads. The processor is configured to execute the plurality of threads by activating the plurality of program counters in a round robin cycle.

Inventors:: Evangelinos, Constantinos; Kim, Changhoan; Nair, Ravi

Issue Date:: 2018-01-16

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1417324

Patent Number(s):: 9870340

Application Number:: 14/672,568

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
G06F15/8053 - {Vector processors}
G06F15/8076 - {Details on data register access}
G06F15/8084 - {Special arrangements thereof, e.g. mask or switch}
G06F9/30036 - {Instructions to perform operations on packed data, e.g. vector operations}
G06F9/30189 - {according to execution mode, e.g. mode flag}
G06F9/321 - {Program or instruction counter, e.g. incrementing}
G06F9/3851 - {from multiple instruction streams, e.g. multistreaming

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DOE Contract Number:: B599858

Resource Type:: Patent

Resource Relation:: Patent File Date: 2015 Mar 30

Country of Publication:: United States

Language:: English

Subject:: 97 MATHEMATICS AND COMPUTING

Citation Formats


                    Evangelinos, Constantinos, Kim, Changhoan, and Nair, Ravi. Multithreading in vector processors.  United States: N. p., 2018. 
        Web.

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                    Evangelinos, Constantinos, Kim, Changhoan, & Nair, Ravi. Multithreading in vector processors.  United States.

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                    Evangelinos, Constantinos, Kim, Changhoan, and Nair, Ravi. Tue .  
        "Multithreading in vector processors".  United States.  https://www.osti.gov/servlets/purl/1417324.

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@article{osti_1417324,

  title        = {Multithreading in vector processors},

  author       = {Evangelinos, Constantinos and Kim, Changhoan and Nair, Ravi},

  abstractNote = {In one embodiment, a system includes a processor having a vector processing mode and a multithreading mode. The processor is configured to operate on one thread per cycle in the multithreading mode. The processor includes a program counter register having a plurality of program counters, and the program counter register is vectorized. Each program counter in the program counter register represents a distinct corresponding thread of a plurality of threads. The processor is configured to execute the plurality of threads by activating the plurality of program counters in a round robin cycle.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2018},

  month        = {1}

}

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Works referenced in this record:

Processor for controlling tread switching
patent, January 2012

Yokoi, Megumi; Ukai, Masaki
US Patent Document 8,108,859
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8108859

Data processing systems
patent-application, December 2014

Nystad, Jorn; Engh-Halstvedt, Andreas
US Patent Application 13/918664: 20140372731
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20140372731

Thread properties attribute vector based thread selection in multithreading processor
patent, June 2000

Emer, Joel S.; Stamm, Rebecca L.; Fossum, Trggve
US Patent Document 6,073,159
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6073159

Multithreaded processor with multiple concurrent pipelines per thread
patent, November 2014

Hokenek, Erdem; Moudgill, Mayan; Schulte, Michael J.
US Patent Document 8,892,849
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8892849

Multithreaded processor with efficient processing for convergence device applications
patent, November 2005

Hokenek, Erdem; Moudgill, Mayan; Glossner, C. John
US Patent Document 6,968,445
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6968445

Processing Unit Incorporating Multirate Execution Unit
patent-application, July 2009

Mejdrich, Eric Oliver; Muff, Adam James; Tubbs, Matthew Ray
US Patent Application 11/972746: 20090182987
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20090182987

Thread-aware cache memory management
patent, December 2015

O'Bleness, R. Frank; Jamil, Sujat; Hameenanttila, Tom
US Patent Document 9,223,709
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9223709

Enhanced load lookahead prefetch in single threaded mode for a simultaneous multithreaded microprocessor
patent-application, December 2008

Le, Hung Q.; Nguyen, Dung Q.
US Patent Application 11/763760: 20080313425
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080313425

Digital data processing apparatus having multi-level register file
patent-application, December 2005

Nunamaker, Nathan Samuel; Randolph, Jack Chris; Tsuchiya, Kenichi
US Patent Application 10/875373; 20050289299
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20050289299

Effective use of a hardware barrier synchronization register for protocol synchronization
patent-application, March 2008

Chaudhary, Piyush; Govindaraju, Rama K.; Kim, Chulho
US Patent Application 11/534891: 20080077921
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080077921

Interleaved multi-threaded vector processor
patent-application, November 2010

Ahmed, Muhammad; Schaub, Marc; Rakib, Shlomo Selim
US Patent Application 12/433826: 20100281234
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20100281234

Mechanisms for assuring quality of service for programs executing on a multithreaded processor
patent-application, March 2005

Kissell, Kevin D.
US Patent Application 10/684350: 20050050395
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20050050395

Multi-core multi-thread processor
patent-application, February 2005

Olukotun, Kunle A.
US Patent Application 10/855233; 20050044319
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20050044319

Method and apparatus for efficient utilization for prescient instruction prefetch
patent-application, March 2005

Aamodt, Tor M.; Wang, Hong; Hammarlund, Per
US Patent Application 10/658072; 20050055541
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20050055541

Performance study of a multithreaded superscalar microprocessor
conference, January 1996

Gulati, M.; Bagherzadeh, N.
Proceedings. Second International Symposium on High-Performance Computer Architecture
https://doi.org/10.1109/HPCA.1996.501194

Vector register file
patent-application, February 2014

Fleischer, Bruce M.; Fox, Thomas W.; Jacobson, Hans M.
US Patent Application 13/570372: 20140047214
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20140047214

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Similar Records

Title: Multithreading in vector processors

Abstract

Citation Formats

Processor for controlling tread switching patent, January 2012

Data processing systems patent-application, December 2014

Thread properties attribute vector based thread selection in multithreading processor patent, June 2000

Multithreaded processor with multiple concurrent pipelines per thread patent, November 2014

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Effective use of a hardware barrier synchronization register for protocol synchronization patent-application, March 2008

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Mechanisms for assuring quality of service for programs executing on a multithreaded processor patent-application, March 2005

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Performance study of a multithreaded superscalar microprocessor conference, January 1996

Vector register file patent-application, February 2014

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Thread properties attribute vector based thread selection in multithreading processor
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Effective use of a hardware barrier synchronization register for protocol synchronization
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Interleaved multi-threaded vector processor
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Mechanisms for assuring quality of service for programs executing on a multithreaded processor
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Method and apparatus for efficient utilization for prescient instruction prefetch
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