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Parallelization of Kinetic Theory Simulations

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Book cover Nuclear Physics: Present and Future

Part of the book series: FIAS Interdisciplinary Science Series ((FIAS))

Abstract

Numerical studies of shock waves in large scale systems via kinetic simulations with millions of particles are too computationally demanding to be processed in serial. In this work we focus on optimizing the parallel performance of a kinetic Monte Carlo code for astrophysical simulations such as core-collapse supernovae. Our goal is to attain a flexible program that scales well with the architecture of modern supercomputers. This approach requires a hybrid model of programming that combines a message passing interface (MPI) with a multithreading model (OpenMP) in C++. We report on our approach to implement the hybrid design into the kinetic code and show first results which demonstrate a significant gain in performance when many processors are applied.

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Acknowledgments

The authors would like to thank the Blue Water Undergraduate Petascale Education Program and Shodor for their financial and educational support. Furthermore, this work used the Extreme Science and Engineering Discovery Environment (XSEDE), which is supported by National Science Foundation grant number OCI-1053575. I.S. is thankful to the Alexander von Humboldt foundation and acknowledges the support of the High Performance Computer Center and the Institute for Cyber-Enabled Research at Michigan State University.

Author information

Authors and Affiliations

  1. Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824, USA

    Wolfgang Bauer & Alec Staber

  2. Institute for Cyber-Enabled Research, Michigan State University, East Lansing, MI, 48824, USA

    Dirk Colbry & Rodney Pickett

  3. Department of Computer Science and Engineering, Michigan State University, East Lansing, MI, 48824, USA

    Jim Howell

  4. Center for Exploration of Energy and Matter, Indiana University, Bloomington, IN, 47408, USA

    Irina Sagert

  5. XTD-6, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA

    Terrance Strother

Authors
  1. Jim Howell
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  2. Wolfgang Bauer
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  3. Dirk Colbry
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  4. Rodney Pickett
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  5. Alec Staber
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  6. Irina Sagert
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  7. Terrance Strother
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Corresponding author

Correspondence to Jim Howell .

Editor information

Editors and Affiliations

  1. Frankfurt Institute for Advanced Studies Goethe Universität Frankfurt, Frankfurt, Germany

    Walter Greiner

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© 2015 Springer International Publishing Switzerland

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Howell, J. et al. (2015). Parallelization of Kinetic Theory Simulations. In: Greiner, W. (eds) Nuclear Physics: Present and Future. FIAS Interdisciplinary Science Series. Springer, Cham. https://doi.org/10.1007/978-3-319-10199-6_18

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