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Parallel HPF-MPI implementation of the TBSCM Poisson solver

  • 2. Computational Science
  • Conference paper
  • First Online:
High-Performance Computing and Networking (HPCN-Europe 1998)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1401))

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Abstract

The aim of this paper is to describe the parallel implementation of the Tensorial Basis Spline Collocation Method for solving Poisson's equation. The TBSCM Poisson solver has been developed mainly in High Performance Fortran(HPF) [For97]. Some small parts, which were inefficiently compiled by the pghpf2.3 HPF compiler, have been written with the Message Passing Interface library (MPI)[The94] using the HPF-LOCAL extrinsic feature. 90% of parallelization efforts have been concentrated on the most computationally intensive part of the code. This kernel achieves very good scalability and it attains 85 Gflops (85 109 floating points operations per second) on 256 Cray T3E-750 processors with a 5123 mesh which represents 332 Mflops per processor. Once the kernel was efficient, the whole code was ported in HPF-MPI. The whole code also scales well and achieves good performance since nearly 210 Mflops per processor are obtained with a 2563 mesh on 128 Cray T3E-750 processors.

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Author information

Authors and Affiliations

  1. EDF-DER/IMA/MMN/ISA, 1, av. du General de Gaulle, 92141, Clamart Cedex, France

    Jean-Yves Berthou

  2. Dèpartement de Recherche Fondamentale sur la Matière Condensèe CEA Grenoble, 17, rue des Martyrs, 38054, Grenoble Cedex 9, France

    Laurent Plagne

Authors
  1. Jean-Yves Berthou
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  2. Laurent Plagne
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Editor information

Peter Sloot Marian Bubak Bob Hertzberger

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© 1998 Springer-Verlag Berlin Heidelberg

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Berthou, JY., Plagne, L. (1998). Parallel HPF-MPI implementation of the TBSCM Poisson solver. In: Sloot, P., Bubak, M., Hertzberger, B. (eds) High-Performance Computing and Networking. HPCN-Europe 1998. Lecture Notes in Computer Science, vol 1401. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0037152

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  • DOI: https://doi.org/10.1007/BFb0037152

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-64443-9

  • Online ISBN: 978-3-540-69783-1

  • eBook Packages: Springer Book Archive

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