Parallel coarse-grid selection

  title={Parallel coarse-grid selection},
  author={David M. Alber and Luke N. Olson},
  journal={Numerical Lin. Alg. with Applic.},
Algebraic multigrid (AMG) is a powerful linear solver with attractive parallel properties. A parallel AMG method depends on efficient, parallel implementations of the coarse-grid selection algorithms and the restriction and prolongation operator construction algorithms. In the effort to effectively and quickly select the coarse grid, a number of parallel coarsening algorithms have been developed. This paper examines the behaviour of these algorithms in depth by studying the results of several… CONTINUE READING
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