In a parallel computer system using a SIMD method constituted by a controller and a plurality of processor elements, each of the processor elements has a storage unit to store data to be processed, the controller controls operation of the processor elements, and the parallel computer system performs...http://www.google.com/patents/US5230057?utm_source=gb-gplus-sharePatent US5230057 - SIMD system having logic units arranged in stages of tree structure and operation of stages controlled through respective control registers
