| 采用PETSc的有限元并行计算实现与优化 |
| |
| 引用本文： | 张健飞.采用PETSc的有限元并行计算实现与优化[J].计算机工程与应用,2010,46(10):57-59. |
| |
| 作者姓名： | 张健飞 |
| |
| 作者单位： | 河海大学土木工程学院,南京,210098 |
| |
| 基金项目： | 河海大学自然科学基金No.2008428211~~ |
| |
| 摘 要： | 可移植可扩展科学计算工具箱PETSc提供了高性能求解偏微分方程组的大量对象和解法库，基于此进行结构有限元并行计算，可降低难度和成本。给出了基于PETS的结构有限元并行计算实现方法，包括有限元方程组的并行形成和并行求解的实现。根据PETSc的特点，提出了提高计算性能的优化措施，即数据局部化和存储预分配。数值实验表明实现方法可行，优化措施效果明显。
|
| 关 键 词： | 可移植可扩展科学计算工具箱（PETSc） 有限元 并行计算 数据局部化 存储预分配 |
| 收稿时间： | 2008-11-7 |
| 修稿时间： | 2008-12-22
|
Parallel implementation and tuning of finite element computing with PETSc |
| |
| ZHANG Jian-feiSchool of Civil Engineering,Hohai University,Nanjing ,China.Parallel implementation and tuning of finite element computing with PETSc[J].Computer Engineering and Applications,2010,46(10):57-59. |
| |
| Authors: | ZHANG Jian-feiSchool of Civil Engineering Hohai University Nanjing China |
| |
| Affiliation: | ZHANG Jian-feiSchool of Civil Engineering,Hohai University,Nanjing 210098,China |
| |
| Abstract: | Portable Extensible Toolkit for Scientific computation(PETSc) provides many high performance objects and solvers for partial differential equations.The difficulty and cost of structural parallel finite element computing with PETSc will come down.The parallel implementation of structural finite element computing with PETSc is presented,including parallel formation and parallel solving of finite element equations.According to the characteristics of PETSc,two performance tuning measures are presented,they are ... |
| |
| Keywords: | Portable Extensible Toolkit for Scientific computation (PETSc) finite element parallel computing data localization storage pre-allocation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《计算机工程与应用》浏览原始摘要信息 |
|
点击此处可从《计算机工程与应用》下载全文 |
