Klawonn A, Lanser M, Rheinbach O, Stengel H, Wellein G (2015)
Publication Type: Book chapter / Article in edited volumes
Publication year: 2015
Publisher: Springer Link
Edited Volumes: Recent Trends in Computational Engineering - CE2014
Series: Lecture Notes in Computational Science and Engineering
City/Town: -
Book Volume: 105
Pages Range: 67-84
ISBN: 978-3-319-22997-3
URI: http://link.springer.com/chapter/10.1007%2F978-3-319-22997-3_4
DOI: 10.1007/978-3-319-22997-3_4
We present an approach to hybrid MPI/OpenMP parallelization in FETIDP methods using OpenMP with PETScCMPI in the finite element assembly and using the shared memory parallel direct solver Pardiso in the FETI-DP solution phase. Our approach thus uses OpenMP parallelization on subdomains and MPI in between subdomains. We investigate the efficiency of this approach for a benchmark problem from two dimensional nonlinear hyperelasticity. We observe good scalability for up to four threads for each MPI rank on a state-of-the-art Ivy Bridge architecture and incremental improvements for up to ten OpenMP threads for each MPI rank.
APA:
Klawonn, A., Lanser, M., Rheinbach, O., Stengel, H., & Wellein, G. (2015). Hybrid MPI/OpenMP Parallelization in FETI-DP Methods. In Recent Trends in Computational Engineering - CE2014. (pp. 67-84). -: Springer Link.
MLA:
Klawonn, Axel, et al. "Hybrid MPI/OpenMP Parallelization in FETI-DP Methods." Recent Trends in Computational Engineering - CE2014. -: Springer Link, 2015. 67-84.
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