@Article{         Giraud_2009aa,
  abstract      = {In this paper we study the parallel scalability of variants of an algebraic additive Schwarz preconditioner for the solution of large three dimensional convection diffusion problems in a non-overlapping domain decomposition framework. To alleviate the computational cost, both in terms of memory and floating-point complexity, we investigate variants based on a sparse approximation or on mixed 32- and 64-bit calculation. The robustness and the scalability of the preconditioners are investigated through extensive parallel experiments on up to 2,000 processors. Their efficiency from a numerical and parallel performance view point are reported.},
  author        = {Giraud, L. and Haidar, A.},
  doi           = {10.1007/s11075-008-9248-x},
  file          = {Giraud_2009aa.pdf},
  journal       = {Numerical Algorithms},
  keywords      = {ddm},
  langid        = {english},
  number        = {2},
  pages         = {151--177},
  title         = {Parallel algebraic hybrid solvers for large 3D convection-diffusion problems},
  volume        = {51},
  year          = {2009}
}

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