The same-source parallel MM{sub 5}.

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The set of architectures available to users of the Penn State/NCAR MM5 has been expanded to included distributed-memory parallel computers, providing cost-effective scalable performance and memory capacity for large problem sizes. The same-source approach uses high-level parallel library and source-translation technology for adapting MM5, simplifying maintenance and allowing new physics modules to be incorporated without modification. The approach facilitates maintenance of the DM-parallel option to MM5 as an option within the official version, rather than as a separate stand-alone version. As a result, the DM-parallel option to MM5 (now at Version 3.1) has been a part of six subsequent model ... continued below

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7 p.

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Michalakes, J. August 23, 1999.

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Description

The set of architectures available to users of the Penn State/NCAR MM5 has been expanded to included distributed-memory parallel computers, providing cost-effective scalable performance and memory capacity for large problem sizes. The same-source approach uses high-level parallel library and source-translation technology for adapting MM5, simplifying maintenance and allowing new physics modules to be incorporated without modification. The approach facilitates maintenance of the DM-parallel option to MM5 as an option within the official version, rather than as a separate stand-alone version. As a result, the DM-parallel option to MM5 (now at Version 3.1) has been a part of six subsequent model releases since MM5 Version 2.8 in March 1998. The same-source approach is applicable to other, similarly constructed codes when there is a need or desire to develop the code for distributed memory parallel machines without impacting the pre-existing source code. The approach is also compatible with pre-existing loop-level multithreading directives so that the code will run in distributed-memory/shared-memory mode on SMP clusters.

Physical Description

7 p.

Notes

OSTI as DE00011943

Medium: P; Size: 7 pages

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  • 2nd International Workshop on Software Engineering and Code Design in Parallel Meteorological and Oceanographic Applications, Scottsdale, AZ (US), 06/09/1998--06/12/1998

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  • Report No.: ANL/MCS/CP-99863
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11943
  • Archival Resource Key: ark:/67531/metadc624143

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  • August 23, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 11, 2017, 3:26 p.m.

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Michalakes, J. The same-source parallel MM{sub 5}., article, August 23, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc624143/: accessed November 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.