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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 15, issue 10
Ann. Geophys., 15, 1369–1377, 1997
https://doi.org/10.1007/s00585-997-1369-3
© European Geosciences Union 1997
Ann. Geophys., 15, 1369–1377, 1997
https://doi.org/10.1007/s00585-997-1369-3
© European Geosciences Union 1997

  31 Oct 1997

31 Oct 1997

Optimisation of a parallel ocean general circulation model

M. I. Beare and D. P. Stevens M. I. Beare and D. P. Stevens
  • School of Mathematics, University of East Anglia, Norwich, NR4 7TJ, UK

Abstract. This paper presents the development of a general-purpose parallel ocean circulation model, for use on a wide range of computer platforms, from traditional scalar machines to workstation clusters and massively parallel processors. Parallelism is provided, as a modular option, via high-level message-passing routines, thus hiding the technical intricacies from the user. An initial implementation highlights that the parallel efficiency of the model is adversely affected by a number of factors, for which optimisations are discussed and implemented. The resulting ocean code is portable and, in particular, allows science to be achieved on local workstations that could otherwise only be undertaken on state-of-the-art supercomputers.

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