ON PARALLELIZATION OF LINEAR SYSTEM EQUATION SOLVER IN FINITE ELEMENT SOFTWARE
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F17%3A00314270" target="_blank" >RIV/68407700:21110/17:00314270 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
ON PARALLELIZATION OF LINEAR SYSTEM EQUATION SOLVER IN FINITE ELEMENT SOFTWARE
Original language description
Numerical modelling using high performance computer brings in new opportunities in finite element computations. The contribution focuses on computing the efficiency of different existing approaches to solution of large, sparse, non-symmetric systems of linear equations, that can be found in any finite element software, the based on direct or iterative algorithms. In particular, direct solver from SuperLU library (X.S. Li, 1999), iterative solver from Portable, Extensible Toolkit for Scientific Computation (PETSc) are compared. SuperLU is a general-purpose library for the direct solution of large, sparse, non-symmetric systems of linear equations. The PETSc has successfully demonstrated that the use of modern programming paradigms can ease the development of large-scale scientific application codes (Satish Balay, 2016). The software has evolved into a powerful set of tools for the numerical solution of partial differential equations and related problems on high-performance computers. Additionally, the performance and scalability of parallel SuperLU solver is studied, using OpenMP (Chapman B, 2008, Barney B., 2014) and POSIX threads (B. Nicols, 1996) based on shared memory model. Also, the scalability of PETSc solver on distributed memory made using Message passing interface (MPI) (Peter S. Pacheco, 1997) is evaluated. The paper shows that parallelization can efficiently exploit the power of modern available hardware and significantly reducing the computation time.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
20101 - Civil engineering
Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Proceedings of Engineering Mechanics 2017
ISBN
9788021454972
ISSN
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e-ISSN
1805-8248
Number of pages
4
Pages from-to
198-201
Publisher name
Brno University of Technology
Place of publication
Brno
Event location
Svratka
Event date
May 15, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000411657600041