Paper Details

%T A simple parallel algebraic multigrid
%A Guy Robinson
%E Janet Edwards
%B Proceedings of WoTUG\-14: Occam and the Transputer\-Current Developments
%X This paper describes an "algebraic
   multigrid" scheme which can be applied to a wide
   range of matrix based problems. Multigrid schemed offer
   significant gains in both numerical performance and runtimes
   compared to conventional solvers. The equations for the
   hierachy of grids are generated solely from the equation for
   the fine mesh without generating the intermediate grids or
   relying on geometrical features of the fine mesh. The
   development of the code for distributed memory Multiple
   Instruction Multiple Data architectures is detailed. The
   numerical and run time performance is described for simple
   linear equation sets and as a linear solver for coupled
   equations as part a 3D computational fluid dynamics code.

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