High-Performance Scientific Computing

pp 157-169

The Spike Factorization as Domain Decomposition Method; Equivalent and Variant Approaches

  • Victor EijkhoutAffiliated withTexas Advanced Computing Center, The University of Texas at Austin Email author 
  • , Robert van de GeijnAffiliated withComputer Science Department, The University of Texas at Austin

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In this paper we present the Spike algorithm of Sameh and Polizzi in the context of domain decomposition methods. We present several variants that differ in their treatment of the separators, showing that one of these is equivalent to the Spike algorithm.