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Parallel Mesh Interface and Ghost Exchange

Tautges, Timothy J. and Jason A. Kraftcheck

Research Notes, 20th International Meshing Roundtable, Springer-Verlag, pp.Research Note, October 23-26 2011


20th International Meshing Roundtable
Paris, France
October 23-26, 2011

Argonne National Laboratory, Argonne, IL, U.S.A.
University of Wisconsin-Madison, Madison, WI, U.S.A.

Algorithms are described for the resolution of shared vertices and higher-dimensional entities on inter-processor interfaces on a domaindecomposed parallel mesh, and for ghost exchange between neighboring processors. Performance data is given for large (up to 64M hex element) meshes on up to 16k processors.

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