应用特征驱动的并行数值代数解法器JPSOL  

JPSOL:A Parallel Numerical Algebraic Solver Driven by Application Features

作　　者：胡少亮 徐小文[1,2] 安恒斌 徐然[1,2] 范荣红 HU Shaoliang;XU Xiaowen;AN Hengbin;XU Ran;FAN Ronghong(Software Center for High Performance Numerical Simulation,China Academy of Engineering Physics,Beijing 100088,China;Institute of Applied Physics and Computational Mathematics,Beijing 100094,China)

机构地区：[1]中国工程物理研究院高性能数值模拟软件中心,北京100088 [2]北京应用物理与计算数学研究所,北京100094

出　　处：《计算物理》2024年第1期110-121,共12页Chinese Journal of Computational Physics

基　　金：国家自然科学基金项目(12171045)资助。

摘　　要：介绍JPSOL(J Parallel Solver Library for Numerical Algebra Problems)的软件架构、矩阵向量数据结构、三类算法库(线性、非线性和特征值)及领域专用解法器,然后通过基本迭代法的测试结果说明其高可扩展并行性,最后通过几类典型实际应用,展示应用效果和健壮性。JPSOL(J Parallel Solver Library for Numerical Algebra Problems)is introduced,including the software architecture,matrix vector data structure,three kinds of algorithm libraries(linear,nonlinear and eigenvalue)and domain specific solvers.Then,the high parallel scalability of JPSOL are demonstrated by the testing results of basic iterative methods.Finally,the effect and robustness of JPSOL are demonstrated by several typical practical applications.

关 键 词：数值模拟 并行计算 解法器 KRYLOV子空间方法 预条件算法 

分 类 号：O246[理学—计算数学]