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Constrained migration of an atmospheric circulation model

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High-Performance Computing and Networking (HPCN-Europe 1996)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1067))

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Abstract

In the migration of large production codes from sequential to parallel implementations a total rewriting of the original code is often prohibited. The reason for this is that very complicated codes took years of evolution to reach a stable and reliable state. Exploring the possibilities for parallelization should therefore be done with extreme care rather than by means of a complete rewrite from scratch. In this paper we discuss the migration of an atmospheric simulation program as an example of such ’constrained migration’. We show that this type of migration allows for a fast and reliable, though not optimal, parallel implementation. Moreover it forces the researcher to identify locality and sequential hot spots in his code, thus guiding him into new strategies for a complete parallelization of the code.

presenting author: B.D. Kandhai

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References

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Author information

Authors and Affiliations

  1. Faculty for Mathematics, Computer Science and Physics, Parallel Scientific Computing and Simulation Group, University of Amsterdam, Kruislaan 403, 1098, SJ Amsterdam, The Netherlands

    B. D. Kandhai & P. M. A. Sloot

  2. European Space Research and Technology Centre, Keplerlaan 1, 2201, AZ Noordwijk, The Netherlands

    J. P. Huot

Authors
  1. B. D. Kandhai
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  2. P. M. A. Sloot
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  3. J. P. Huot
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Editor information

Heather Liddell Adrian Colbrook Bob Hertzberger Peter Sloot

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© 1996 Springer-Verlag Berlin Heidelberg

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Kandhai, B.D., Sloot, P.M.A., Huot, J.P. (1996). Constrained migration of an atmospheric circulation model. In: Liddell, H., Colbrook, A., Hertzberger, B., Sloot, P. (eds) High-Performance Computing and Networking. HPCN-Europe 1996. Lecture Notes in Computer Science, vol 1067. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-61142-8_547

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  • DOI: https://doi.org/10.1007/3-540-61142-8_547

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-61142-4

  • Online ISBN: 978-3-540-49955-8

  • eBook Packages: Springer Book Archive

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