I. M. Kulikov, I. G. Chernykh, E. I. Vorobyov, A. V. Snytnikov, D. V. Weins, A. A. Moskovsky, A. B. Shmelev, V. A. Protasov, A. A. Serenko, V. E. Nenashev, V. A. Vshivkov, A. S. Rodionov, B. M. Glinsky, A. V. Tutukov, “Numerical hydrodynamics simulation of astrophysical flows at Intel Xeon Phi supercomputers”, Vestn. YuUrGU. Ser. Vych. Matem. Inform., 5:4 (2016), 77

Vestnik Yuzhno-Ural'skogo Gosudarstvennogo Universiteta. Seriya "Vychislitelnaya Matematika i Informatika"

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Vestnik Yuzhno-Ural'skogo Gosudarstvennogo Universiteta. Seriya "Vychislitelnaya Matematika i Informatika", 2016, Volume 5, Issue 4, Pages 77–97
DOI: https://doi.org/10.14529/cmse160406 (Mi vyurv153)

This article is cited in 2 scientific papers (total in 2 papers)

Supercomputer modeling

Numerical hydrodynamics simulation of astrophysical flows at Intel Xeon Phi supercomputers

I. M. Kulikov^a, I. G. Chernykh^a, E. I. Vorobyov^b, A. V. Snytnikov^a, D. V. Weins^a, A. A. Moskovsky^c, A. B. Shmelev^c, V. A. Protasov^d, A. A. Serenko^d, V. E. Nenashev^d, V. A. Vshivkov^a, A. S. Rodionov^a, B. M. Glinsky^a, A. V. Tutukov^e

^a Institute of Computational Mathematics and Mathematical Geophysics SB RAS (pr. Ac. Lavryenteva 6, Novosibirsk, 630090 Russia)
^b Southern Federal University (pr. Stachki 194, Rostov-on-Don, 344090 Russia)
^c ZAO RSC Technologies (Kutuzovskiy pr. 36, building 23, Moscow, 121170 Russia)
^d Novosibirsk State Technical University (pr. K. Marksa 20, Novosibirsk, 630073 Russia)
^e Institute of Astronomy RAS (Pyatnitskaya St. 48, Moscow, 119017 Russia)

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DOI: https://doi.org/10.14529/cmse160406

Abstract: In this paper we propose a research of AstroPhi code for numerical simulation of astrophysical flows at Intel Xeon Phi supercomputers. The co-design of a computational astrophysics model are described. The parallel implementation and scalability tests of the AstroPhi code are presented. The results of simulation of interaction between intergalactic wind and a disk galaxy are provided. For AstroPhi code a $134$x speed-up with one Intel Xeon Phi accelerator and $75 \%$ weak scaling efficiency on $224$x Intel Xeon Phi accelerators was obtained. We got peak of performance on a $7168 \times 1024 \times 1024$ mesh size by means $53760$ RSC PetaStream threads.

Keywords: high performance computing, numerical astrophysics, Intel Xeon Phi accelerators.

Funding agency	Grant number
Russian Foundation for Basic Research	15-31-20150 мол-а-вед 15-01-00508_а 16-07-00434_а
Ministry of Education and Science of the Russian Federation	МК-6648.2015.9 3.961.2014/К

Received: 13.04.2016

Bibliographic databases:

Document Type: Article

UDC: 519.63, 524.3

Language: Russian

Citation: I. M. Kulikov, I. G. Chernykh, E. I. Vorobyov, A. V. Snytnikov, D. V. Weins, A. A. Moskovsky, A. B. Shmelev, V. A. Protasov, A. A. Serenko, V. E. Nenashev, V. A. Vshivkov, A. S. Rodionov, B. M. Glinsky, A. V. Tutukov, “Numerical hydrodynamics simulation of astrophysical flows at Intel Xeon Phi supercomputers”, Vestn. YuUrGU. Ser. Vych. Matem. Inform., 5:4 (2016), 77–97

Citation in format AMSBIB

\Bibitem{KulCheVor16}

\by I.~M.~Kulikov, I.~G.~Chernykh, E.~I.~Vorobyov, A.~V.~Snytnikov, D.~V.~Weins, A.~A.~Moskovsky, A.~B.~Shmelev, V.~A.~Protasov, A.~A.~Serenko, V.~E.~Nenashev, V.~A.~Vshivkov, A.~S.~Rodionov, B.~M.~Glinsky, A.~V.~Tutukov

\paper Numerical hydrodynamics simulation of astrophysical flows at Intel Xeon Phi  supercomputers

\jour Vestn. YuUrGU. Ser. Vych. Matem. Inform.

\yr 2016

\vol 5

\issue 4

\pages 77--97

\mathnet{http://mi.mathnet.ru/vyurv153}

\crossref{https://doi.org/10.14529/cmse160406}

\elib{https://elibrary.ru/item.asp?id=27311117}

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https://www.mathnet.ru/eng/vyurv153

https://www.mathnet.ru/eng/vyurv/v5/i4/p77

This publication is cited in the following 2 articles:

Citing articles in Google Scholar: Russian citations, English citations
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Vestnik Yuzhno-Ural'skogo Gosudarstvennogo Universiteta. Seriya "Vychislitelnaya Matematika i Informatika"

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References:	37

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