MPI on the I-WAY: a wide-area, multimethod implementation of the message passing interface

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High-speed wide-area networks enable innovative applications that integrate geographically distributed computing, database, graphics, and networking resources. The Message Passing Interface (MPI) can be used as a portable, high-performance programming model for such systems. However, the wide-area environment introduces challenging problems for the MPI implementor, because of the heterogeneity of both the underlying physical infrastructure and the authentication and software environment at different sites. In this article, we describe an MPI implementation that incorporates solutions to these problems. This implementation, which was developed for the I-WAY distributed-computing experiment, was constructed by layering MPICH on the Nexus multithreaded runtime system. Nexus provides ... continued below

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8 p.

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Foster, I.; Geisler, J. & Tuecke, S. December 31, 1996.

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Description

High-speed wide-area networks enable innovative applications that integrate geographically distributed computing, database, graphics, and networking resources. The Message Passing Interface (MPI) can be used as a portable, high-performance programming model for such systems. However, the wide-area environment introduces challenging problems for the MPI implementor, because of the heterogeneity of both the underlying physical infrastructure and the authentication and software environment at different sites. In this article, we describe an MPI implementation that incorporates solutions to these problems. This implementation, which was developed for the I-WAY distributed-computing experiment, was constructed by layering MPICH on the Nexus multithreaded runtime system. Nexus provides automatic configuration mechanisms that can be used to select and configure authentication, process creation, and communication mechanisms in heterogeneous systems.

Physical Description

8 p.

Notes

OSTI as DE97000691

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  • 1996 Message Passing Interface (MPI) developers conference, Notre Dame, IN (United States), 1-2 Jul 1996

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  • Other: DE97000691
  • Report No.: ANL/MCS-P--595-0596
  • Report No.: CONF-9607124--4
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 434326
  • Archival Resource Key: ark:/67531/metadc687788

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Office of Scientific & Technical Information Technical Reports

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  • December 31, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Aug. 23, 2016, 3:39 p.m.

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Foster, I.; Geisler, J. & Tuecke, S. MPI on the I-WAY: a wide-area, multimethod implementation of the message passing interface, article, December 31, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc687788/: accessed December 10, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.