| 复杂地形环境下的电磁覆盖范围并行算法 |
| |
| 引用本文： | 周鋆,朱承,张维明,黄金才,刘忠.复杂地形环境下的电磁覆盖范围并行算法[J].计算机工程,2011,37(5):261-263,266. |
| |
| 作者姓名： | 周鋆 朱承 张维明 黄金才 刘忠 |
| |
| 作者单位： | 国防科技大学信息系统工程重点实验室,长沙,410073 |
| |
| 基金项目： | 国防科技大学优秀研究生创新基金 |
| |
| 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。
|
| 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 Algorithm of Electromagnetic Wave Propagation in Complex Terrain Environment |
| |
| ZHOU Yun,ZHU Cheng,ZHANG Wei-ming,HUANG Jin-cai,LIU Zhong.Parallel Algorithm of Electromagnetic Wave Propagation in Complex Terrain Environment[J].Computer Engineering,2011,37(5):261-263,266. |
| |
| Authors: | ZHOU Yun ZHU Cheng ZHANG Wei-ming HUANG Jin-cai LIU Zhong |
| |
| Affiliation: | (Science and Technology on Information Systems Engineering Laboratory,National University of Defense Technology,Changsha 410073,China) |
| |
| Abstract: | 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. |
| |
| Keywords: | parallel computing electromagnetic wave propagation Message Passing Interface（MPI） speed ratio task granularity |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《计算机工程》浏览原始摘要信息 |
|
点击此处可从《计算机工程》下载全文 |
