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Writing a multigrid solver using co-array fortran

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Applied Parallel Computing Large Scale Scientific and Industrial Problems (PARA 1998)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1541))

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Abstract

Co-Array Fortran, known previously as F−-, is an extension to Fortran 95 that combines elegance of expression with simplicity of implementation to give an efficient parallel programming language. We illustrate its power and efficiency with a multigrid solver for Poisson’s equation in three dimensions. We examine the effect of latency and bandwidth for the co-array version compared with an equivalent MPI version on two machines, the SGI/CRAY ORIGIN 2000 and the CRAY-T3E.

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Authors and Affiliations

  1. Silicon Graphics, Inc., 55121, Eagan, MN, USA

    Robert W. Numrich

  2. Rutherford Appleton Laboratory, UK

    John Reid

  3. Northeast Parallel Architectures Center, Syracuse University, USA

    Kieun Kim

Authors
  1. Robert W. Numrich
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  2. John Reid
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  3. Kieun Kim
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Editor information

Bo Kågström Jack Dongarra Erik Elmroth Jerzy Waśniewski

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© 1998 Springer-Verlag Berlin Heidelberg

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Numrich, R.W., Reid, J., Kim, K. (1998). Writing a multigrid solver using co-array fortran. In: Kågström, B., Dongarra, J., Elmroth, E., Waśniewski, J. (eds) Applied Parallel Computing Large Scale Scientific and Industrial Problems. PARA 1998. Lecture Notes in Computer Science, vol 1541. Springer, Berlin, Heidelberg . https://doi.org/10.1007/BFb0095362

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  • DOI: https://doi.org/10.1007/BFb0095362

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-65414-8

  • Online ISBN: 978-3-540-49261-0

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