摘要
复杂地形环境下的电磁覆盖范围的仿真计算需要强大的计算能力作为支撑,搭建基于消息传递接口的机群实行并行计算能够解决该问题。基于此,建立复杂地形环境下电磁覆盖范围的并行算法模型,设计并行过程中任务粒度选择和并行性能实验。在实验室多机环境下,仿真计算速度得到提高,为类似并行计算问题的任务粒度选择提供了参考。
Simulation of electromagnetic wave propagation in complex terrain environment needs powerful computing ability.Parallel computing using cluster which is based on MPI can solve this problem commendably.This paper puts forward a parallel algorithm of electromagnetic wave propagation in complex terrain environment,and designs experiments considering task granularity and capability in parallel process.Simulation speed is improved in a cluster environment in laboratory.Methods of choose an appropriate task granularity for similar parallel problems is proposed.
出处
《计算机工程》
CAS
CSCD
北大核心
2011年第5期261-263,266,共4页
Computer Engineering
基金
国防科技大学优秀研究生创新基金资助项目(S100501)
关键词
并行计算
电磁覆盖范围
消息传递接口
加速比
任务粒度
parallel computing
electromagnetic wave propagation
Message Passing Interface(MPI)
speed ratio
task granularity