| 三维多子区激光推进数值模拟的并行设计与分析 |
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| 引用本文： | 曾瑶源,赵文涛,张理论,赵军,李倩.三维多子区激光推进数值模拟的并行设计与分析[J].科学技术与工程,2009,9(4). |
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| 作者姓名： | 曾瑶源 赵文涛 张理论 赵军 李倩 |
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| 作者单位： | 1. 国防科技大学计算机学院,长沙,410073
2. 装备指挥技术学院,北京,101416 |
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| 基金项目： | 国家九七三项目，国家自然科学基金 |
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| 摘 要： | 针对三维多子区激光推进并行数值模拟问题,基于按子区独立进行区域分解策略,引入物理网格点负载权重,实现了负载平衡.通过提高Cache命中率、优化消息传递、并行写文件等措施,使设计实现了所研究问题的并行化.并在某国产巨型机上对不同算例进行了测试.当并行度为16时,最低加速比高于8.96,实现了采用并行计算加快激光推进机理研究的目的.
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| 关 键 词： | 多子区 激光推进 耦合计算 区域分解 负载平衡 并行I/O |
Parallel Design and Analysis of Numerical Simulation for Laser Propulsion of Three Dimensions and Multi-sub Domain |
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| ZENG Yao-yuan,ZHAO Wen-tao,ZHANG Li-lun,ZHAO Jun,LI Qian.Parallel Design and Analysis of Numerical Simulation for Laser Propulsion of Three Dimensions and Multi-sub Domain[J].Science Technology and Engineering,2009,9(4). |
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| Authors: | ZENG Yao-yuan ZHAO Wen-tao ZHANG Li-lun ZHAO Jun LI Qian |
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| Institution: | Inst.of Computer Science;National Univ.of Defense Technology;Changsha 410073;P.R.China;Inst.of Equipment Command and Technology1;Beijing 101416;P.R.China |
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| Abstract: | As to the problem of parallel numerical simulation for laser propulsion of three dimensions and multi-sub domain in China,grid point weighted load is introduced,realized load balancing,based on the policy of sub domain decomposition independently,achieving parallelization of the problem analyzing,through measures of improving cache hit rate,optimizing message passing,writing in parallel files,etc.When testing different examples on one home made supercomputer,the purpose is realized by adopting parallel comp... |
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| Keywords: | multi-sub domain laser propulsion coupling computing domain decomposition load balancing parallel I/O |
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