We present a parallelized implementation of deflection yokesimulation using the method of moment to analyze characteristicproperties of magnetic fields generated by components of deflectionyoke. Seeking an optimal configuration of deflection yoke simulationnecessitates a reduction of the execution time of analysis. The paperalso describes a revised parallel LU decomposition and discusses aparallelization scheme used to simulate trajectories of 24 differentelectronic beams through a cathode ray tube. The empirical results showthe effect of Amdahl's Law caused by unparallelized parts, giving 20 asthe upper limit of speedup. The parallelized deflection yoke simulationprogram, running on 18 Intel Paragon processors, executes about twice asfast as the original serial program running on a Cray-YMP/4E
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