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A Data Parallel Formulation of the Barnes-Hut Method for N-Body Simulations

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Applied Parallel Computing. New Paradigms for HPC in Industry and Academia (PARA 2000)

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Abstract

This paper presents a data-parallel formulation for N-body simulations using the Barnes-Hut method. The tree-structured problem is first linearized by using space-filling curves. This process allows us to use standard data distributions and parallel array operations available in data-parallel languages. A new efficient HPF implementation of the Barnes-Hut method is presented in this paper, characterized by the use of array copy sections to express communications, obtaining efficient point- to-point data transferences. In addition, HPF_LOCAL constructs are used to obtain very compact and efficient local (node) codes.

This work was supported by the Ministry of Education and Science (CICYT) of Spain under project TIC96-1125-C03

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References

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Author information

Authors and Affiliations

  1. Dept. Electronics and Systems, Univ. of La Coruña, Spain

    M. Amor

  2. Dept. Electronics and Computation, Univ. of Santiago de Compostela, Spain

    F. Argüello

  3. Dept. of Computer Architecture, Univ. of Málaga, Spain

    J. López, O. Plata & E. L. Zapata

Authors
  1. M. Amor
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  2. F. Argüello
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  3. J. López
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  4. O. Plata
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  5. E. L. Zapata
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Editor information

Editors and Affiliations

  1. Department of Informatics, University of Bergen, 5020, Bergen, Norway

    Tor Sørevik , Fredrik Manne  & Assefaw Hadish Gebremedhin ,  & 

  2. Parallab, University of Bergen, 5020, Bergen, Norway

    Randi Moe

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© 2001 Springer-Verlag Berlin Heidelberg

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Amor, M., Argüello, F., López, J., Plata, O., Zapata, E.L. (2001). A Data Parallel Formulation of the Barnes-Hut Method for N-Body Simulations. In: Sørevik, T., Manne, F., Gebremedhin, A.H., Moe, R. (eds) Applied Parallel Computing. New Paradigms for HPC in Industry and Academia. PARA 2000. Lecture Notes in Computer Science, vol 1947. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-70734-4_40

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  • DOI: https://doi.org/10.1007/3-540-70734-4_40

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-41729-3

  • Online ISBN: 978-3-540-70734-9

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