Repartitioning Unstructured Adaptive Meshes

  • Authors:
  • Affiliations:
  • Venue:
  • IPDPS '00 Proceedings of the 14th International Symposium on Parallel and Distributed Processing
  • Year:
  • 2000

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Abstract

We present a new parallel repartitioning algorithm for adaptive finite-element meshes that significantly reduces the amount of data that needs to move between processors in order to rebalance a workload after mesh adaptation (refinement or coarsening). These results derive their importance from the fact that the time to migrate data can be a large fraction of the total time for the parallel adaptive solution of partial differential equations.