| GPU加速的2维矩量法研究 |
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| 引用本文： | 柴豆豆,吴先良,孙冬,马巍巍.GPU加速的2维矩量法研究[J].安徽大学学报(自然科学版),2012(4):63-67. |
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| 作者姓名： | 柴豆豆 吴先良 孙冬 马巍巍 |
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| 作者单位： | 安徽大学电子信息工程学院 |
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| 基金项目： | 国家自然科学基金重点资助项目(60931002);安徽省教育厅自然科学基金重点资助项目(KJ2011A240);安徽省优秀青年基金资助项目(10040606Y08) |
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| 摘 要： | 矩量法(MOM)是求解电磁场散射和辐射问题的一种常用数值方法,当未知量数目比较大时,其计算需要大量的时间开销.引入计算统一设备架构(CUDA)技术,在图形处理器(GPU)上实现并行MOM,并且与传统的中央处理器(CPU)串行计算比较,验证GPU计算结果的准确性.在未知量数目不同时,分析MOM中的阻抗矩阵填充和共轭梯度(CG)迭代法的加速情况.当未知量数目较大时,计算速度与CPU相比可提升数十倍.
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| 关 键 词： | 矩量法(MOM) 电磁散射 电磁辐射 图形处理器(GPU) 计算统一设备架构(CUDA) 加速比 |
Research on 2D MOM based on GPU acceleration |
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| CHAI Dou-dou,WU Xian-liang,SUN Dong,MA Wei-wei.Research on 2D MOM based on GPU acceleration[J].Journal of Anhui University(Natural Sciences),2012(4):63-67. |
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| Authors: | CHAI Dou-dou WU Xian-liang SUN Dong MA Wei-wei |
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| Institution: | (School of Electronic Information Engineering,Anhui University,Hefei 230039,China) |
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| Abstract: | The method of moments(MOM) is a commonly used method in solving electromagnetic scattering and electromagnetic radiation problems.When the number of unknowns is large,it took a lot of time to calculate.By the compute unified device architecture(CUDA) technology,this paper implemented parallel MOM solution on graphic processing unit(GPU).This paper analyzed the acceleration ratio of MOM impedance matrix filling and conjugate gradient(CG) iteration method with different number of unknowns comparing with traditional central processing unit(CPU),the acceleration could come up to ten times. |
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| Keywords: | method of moments electromagnetic scattering electromagnetic radiation graphics processing unit compute unified device architecture acceleration ratio |
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