Performance evaluation of magnetohydrodynamics simulation for magnetosphere on K computer

Keiichiro Fukazawa, Takeshi Nanri, Takayuki Umeda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

To use the massively parallel scalar type supercomputer for the large scale numerical magnetospheric simulation, we made performance evaluation of a three-dimensional Magnetohydrodynamic (MHD) simulation code for space plasma simulations of planetary magnetosphere on the K computer with 262,144 cores at RIKEN. For parallelization of the MHD code, we use four different methods, i.e., regular one-dimensional, two-dimensional, three-dimensional domain decomposition methods and a cache-hit type of three-dimensional domain decomposition method. We found that the onedimensional decomposition and cache-hit type of three-dimensional decomposition achieves the best performance and our MHD code can scale over 200,000 processes on the K computer.

Original languageEnglish
Title of host publicationAsiaSim 2013 - 13th International Conference on Systems Simulation, Proceedings
PublisherSpringer Verlag
Pages570-576
Number of pages7
ISBN (Print)9783642450365
DOIs
Publication statusPublished - Jan 1 2013
Event13th International Conference on Systems Simulation, AsiaSim 2013 - , Singapore
Duration: Nov 6 2013Nov 8 2013

Publication series

NameCommunications in Computer and Information Science
Volume402
ISSN (Print)1865-0929

Other

Other13th International Conference on Systems Simulation, AsiaSim 2013
CountrySingapore
Period11/6/1311/8/13

Fingerprint

Magnetosphere
Magnetohydrodynamics
Domain decomposition methods
Plasma simulation
Decomposition
Supercomputers
Computer simulation

All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Mathematics(all)

Cite this

Fukazawa, K., Nanri, T., & Umeda, T. (2013). Performance evaluation of magnetohydrodynamics simulation for magnetosphere on K computer. In AsiaSim 2013 - 13th International Conference on Systems Simulation, Proceedings (pp. 570-576). (Communications in Computer and Information Science; Vol. 402). Springer Verlag. https://doi.org/10.1007/978-3-642-45037-2_61

Performance evaluation of magnetohydrodynamics simulation for magnetosphere on K computer. / Fukazawa, Keiichiro; Nanri, Takeshi; Umeda, Takayuki.

AsiaSim 2013 - 13th International Conference on Systems Simulation, Proceedings. Springer Verlag, 2013. p. 570-576 (Communications in Computer and Information Science; Vol. 402).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fukazawa, K, Nanri, T & Umeda, T 2013, Performance evaluation of magnetohydrodynamics simulation for magnetosphere on K computer. in AsiaSim 2013 - 13th International Conference on Systems Simulation, Proceedings. Communications in Computer and Information Science, vol. 402, Springer Verlag, pp. 570-576, 13th International Conference on Systems Simulation, AsiaSim 2013, Singapore, 11/6/13. https://doi.org/10.1007/978-3-642-45037-2_61
Fukazawa K, Nanri T, Umeda T. Performance evaluation of magnetohydrodynamics simulation for magnetosphere on K computer. In AsiaSim 2013 - 13th International Conference on Systems Simulation, Proceedings. Springer Verlag. 2013. p. 570-576. (Communications in Computer and Information Science). https://doi.org/10.1007/978-3-642-45037-2_61
Fukazawa, Keiichiro ; Nanri, Takeshi ; Umeda, Takayuki. / Performance evaluation of magnetohydrodynamics simulation for magnetosphere on K computer. AsiaSim 2013 - 13th International Conference on Systems Simulation, Proceedings. Springer Verlag, 2013. pp. 570-576 (Communications in Computer and Information Science).
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