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With the arrival ofthe current generation offast processor chips and improved interconnect technology, low-cost 3-dimensional reconfigurable mesh computers have become more feasible. They could present an attractive price/performance option to large supercomputers and small clusters of workstations. In 1976 Csanky introduced a parallel algorithm for matrix inversion which executed in O(log n) steps on n4 processors. Csanky's algorithm was designed for a CREW PRAM. More recently, Leighton produced an implementation of Csanky's algorithm for n meshes of trees which achieves O(log n) steps on 4n4 3n3 processors.

Matrix inversion in O(log n) on a scan-enhanced reconfigurable mesh computer