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Num. Meth. Prog., 2013, Volume 14, Issue 3, Pages 88–95 (Mi vmp156)  

Программирование

A framework for the ocean-ice-atmosphere-land coupled modeling on massively-parallel architectures

V. V. Kalmykova, R. A. Ibrayevb

a M. V. Lomonosov Moscow State University, Faculty of Computational Mathematics and Cybernetics
b Institute of Numerical Mathematics, Russian Academy of Sciences, Moscow

Abstract: The paper presents a new software for the coupled modeling of the ocean-ice-atmosphere-soil system (SCM OIAS) on massive-parallel computers. The paper provides a brief overview of the historical development of co-simulation technology and the state-of-the-art in this area. The architecture of SCM OIAS is described. The key part of SCM OIAS (the coupler) is designed for coupling the components in a single executable MPI-program. The main tasks of the coupler include the synchronization of coupled model components, the exchange of data between models, interpolation, and the work with the file system. The computational characteristics of the World ocean-Global atmosphere coupled model governed by SCM OIAS has been tested. The results of tests for the key coupler functions (the data exchange with the parallel interpolation and the work with the file system) demonstrate a high efficiency of the coupler. The paper was recommended for the publication by the Program Committee of the International Supercomputer Conference “Scientific Service on the Internet: All the Facets of Parallelism”.

Keywords: Earth system modeling; massively-parallel applications; parallel I/O; large-scale problems; coupler; MPI.

Full text: PDF file (692 kB)
UDC: 004.942
Received: 23.08.2013

Citation: V. V. Kalmykov, R. A. Ibrayev, “A framework for the ocean-ice-atmosphere-land coupled modeling on massively-parallel architectures”, Num. Meth. Prog., 14:3 (2013), 88–95

Citation in format AMSBIB
\Bibitem{KalIbr13}
\by V.~V.~Kalmykov, R.~A.~Ibrayev
\paper A framework for the ocean-ice-atmosphere-land coupled modeling on massively-parallel architectures
\jour Num. Meth. Prog.
\yr 2013
\vol 14
\issue 3
\pages 88--95
\mathnet{http://mi.mathnet.ru/vmp156}


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