MPI and OpenMP Paradigms and Its Application of Solving Large Scale Tridiagonal Linear Systems

ZHENG Han-yuan; LIU Zhi-xiang; FENG Wei-bing; ZHANG Wu

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MPI and OpenMP Paradigms and Its Application of Solving Large Scale Tridiagonal Linear Systems

更新时间：2026-09-04

- MPI and OpenMP Paradigms and Its Application of Solving Large Scale Tridiagonal Linear Systems
- Vol. 28, Issue 8, Pages: 158-161(2011)
- 作者机构：
  
  1. 上海大学计算机工程与科学学院,上海,200072
  2. 龙岩学院机构计算机系,福建,龙岩,364000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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郑汉垣, 刘智翔, 封卫兵, 张武. MPI+OpenMP混合编程模型在大规模三对角线性方程组求解中的应用[J]. 微电子学与计算机, 2011, 28(8): 158-161.

ZHENG Han-yuan, LIU Zhi-xiang, FENG Wei-bing, et al. MPI and OpenMP Paradigms and Its Application of Solving Large Scale Tridiagonal Linear Systems[J]. 2011, 28(8): 158-161.
郑汉垣, 刘智翔, 封卫兵, 张武. MPI+OpenMP混合编程模型在大规模三对角线性方程组求解中的应用[J]. 微电子学与计算机, 2011, 28(8): 158-161. DOI：

ZHENG Han-yuan, LIU Zhi-xiang, FENG Wei-bing, et al. MPI and OpenMP Paradigms and Its Application of Solving Large Scale Tridiagonal Linear Systems[J]. 2011, 28(8): 158-161. DOI：

摘要

分布式共享存储系统的特点是每个节点内是共享存储的

而节点间是分布式存储.为了更好地利用这种多级体系结构

讨论了MPI+OpenMP混合编程模型的性能及实现方法

建立了大规模三对角线性方程组的MPI+OpenMP混合并行算法

并在上海大学高性能计算集群上与单纯MPI算法进行了性能方面的比较.结果表明

MPI+OpenMP混合并行算法具有更好的加速比和扩展性.

Abstract

The distributed shared memory system is characterized by shared memory multi-processors on each node and distributed memory among nodes.In order to make use of this hierarchical architecture

this paper discusses the performance of MPI+OpenMP hybrid programming paradigm and different implementations.We design a multi-granularity parallel algorithm for solving larger scale tridiagonal linear systems

and compare its performance with pure MPI algorithm on the high performance computer of Shanghai University.The results indicate that the hybrid algorithm shows better speedup and scalability.

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Related Institution

College of Computer,National University of Defense Technology

1 Computer Network Information Center, Chinese Academy of Sciences, Being

2 School of Statistics, Central University of Finance & Economics

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