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HPSEPS软件包及其在千核上的并行计算性能 被引量：1

HPSEPS Software and Parallel Computing Performance on Thousand Cores
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摘要 基于自主开发的并行软件包HPSEPS(High performance Symmetric Eigenproblem Parallel Solver)所提供的大规模对称特征问题并行求解器,讨论了对称特征问题的并行计算方法,给出了HPSEPS的架构。在深腾7000平台上使用上千核对不同大规模特征问题的并行求解进行了性能测试,给出了1728个原子的Si金刚石结构计算和2048核上纳米量子点计算,结果表明该并行软件包计算精确高,在数千处理器核上具有好的可扩展性。 Based on large scale symmetric eigenproblem parallel solvers included in High performance Symmetric Eigenproblem Parallel Solver(HPSEPS), discussing parallel computing methods, and giving the platform of HPSEPS. On Deepcomp 7000, using thousands of cores, checking the performance for parallel solution of the different problems, and giving Diamond structure calculation with 1728 atoms and Nano quantum dots computation on 2048 cores, results show that the parallel software has high-precise computation and very good scalability.
作者 赵永华 迟学斌 王武
机构地区 中国科学院计算机网络信息中心超级计算中心
出处 《科研信息化技术与应用》 2010年第4期20-28,共9页 E-science Technology & Application
关键词 千核 对称矩阵 特征问题 位移逆变换Lanczos算法 LOBPCG算法 Thousands of cores Eigenproblem Lanczos algorithm LOBPCG algorithm
分类号 TP338.6 [自动化与计算机技术—计算机系统结构]
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参考文献13

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二级参考文献8

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科研信息化技术与应用
2010年 第4期

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