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介绍了MPI的基本概念,列举了提高并行计算效率的一些措施,并实现了基于MPI消息传递机制的弹道仿真计算模型的并行编程,最后对并行计算和串行计算的结果进行了比较。研究结果表明,将并行计算技术应用于弹道仿真中是可行的,并获得了较高的加速比和计算效率;与单机运行相比,计算机机群可以大大缩短计算时间,提高计算效率,而且可以扩大计算规模,系统适应性和延展性较好。
The basic concepts of MPI are introduced. Some measures to improve the efficiency of parallel computing are listed. Parallel programming of trajectory simulation model based on MPI message transfer mechanism is implemented. Finally, the results of parallel computation and serial computation are compared. The results show that it is feasible to apply parallel computing technology to ballistic simulation and to obtain higher speedup and computational efficiency. Comparing with standalone operation, computer fleet can shorten computation time and improve computation efficiency, and can expand The calculation scale, system adaptability and ductility are better.