Abstract
One of the objectives of the EUREKA project PARSIM is to develop a distributed memory version of the COSI oil reservoir simulation package. As with most application packages, it is essential that the parallel version of COSI remains as faithful as possible to the original sequential code — the top level of the code must be hardware independent so users can run the same code on different hardware configurations and obtain more or less identical results.
This goal imposes some severe constraints on a key part of the simulator package — the linear equation solver. Parallel versions of both a sparse direct and a sparse iterative solver are required to maintain compatibility. In the following we provide an overview of how we have attempted to provide an integrated support environment for both solvers, what decisions have been made on the basic iterative technique and on the preconditioning to use and how these decisions were made.
This work was funded by the U.K.'s Department of Trade and Industry and by the Danish Erhvervsfremmestyrelsen as part of the EUREKA Project EU 638, PARSIM.
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© 1994 Springer-Verlag Berlin Heidelberg
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Addison, C., Christensen, T., Larsen, J., Oliver, T., Sunderland, A. (1994). Supporting an oil reservoir simulator in a distributed memory environment. In: Gentzsch, W., Harms, U. (eds) High-Performance Computing and Networking. HPCN-Europe 1994. Lecture Notes in Computer Science, vol 796. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0020396
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DOI: https://doi.org/10.1007/BFb0020396
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