关键词: 通信时间开销, 计算速度, 评估, 多处理机系统

Abstract: In order to improve the performance of multi processor system，the calculation process，inter process communication time，the speed of the system，the effect of overhead in multiprocessor systems，and the multiprocessor system overhead acceleration coefficient are presented to improve the speedup effect，the order of parallelization，the maximum speedup of seven factors，providing an effective method for the optimization of multiprocessor system．

Key words: evaluation, multiprocessor system, computation speed, communication time overhead