%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.