Peformance Tuning and Evaluation of a Parallel Community Climate Model

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The Parallel Community Climate Model (PCCM) is a message-passing parallelization of version 2.1 of the Community Climate Model (CCM) developed by researchers at Argonne and Oak Ridge National Laboratories and at the National Center for Atmospheric Research in the early to mid 1990s. In preparation for use in the Department of Energy's Parallel Climate Model (PCM), PCCM has recently been updated with new physics routines from version 3.2 of the CCM, improvements to the parallel implementation, and ports to the SGIKray Research T3E and Origin 2000. We describe our experience in porting and tuning PCCM on these new platforms, evaluating ... continued below

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Drake, J.B.; Worley, P.H. & Hammond, S. November 13, 1999.

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Description

The Parallel Community Climate Model (PCCM) is a message-passing parallelization of version 2.1 of the Community Climate Model (CCM) developed by researchers at Argonne and Oak Ridge National Laboratories and at the National Center for Atmospheric Research in the early to mid 1990s. In preparation for use in the Department of Energy's Parallel Climate Model (PCM), PCCM has recently been updated with new physics routines from version 3.2 of the CCM, improvements to the parallel implementation, and ports to the SGIKray Research T3E and Origin 2000. We describe our experience in porting and tuning PCCM on these new platforms, evaluating the performance of different parallel algorithm options and comparing performance between the T3E and Origin 2000.

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OSTI as DE00755641

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  • Super Computing 99, Portland, OR (US), 11/13/1999--11/19/1999

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  • Report No.: ORNL/CP-104678
  • Grant Number: AC05-00OR22725
  • Office of Scientific & Technical Information Report Number: 755641
  • Archival Resource Key: ark:/67531/metadc711861

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  • November 13, 1999

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  • Sept. 12, 2015, 6:31 a.m.

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  • Jan. 25, 2016, 12:17 p.m.

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Drake, J.B.; Worley, P.H. & Hammond, S. Peformance Tuning and Evaluation of a Parallel Community Climate Model, article, November 13, 1999; Tennessee. (digital.library.unt.edu/ark:/67531/metadc711861/: accessed August 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.