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First results from the parallelisation of CERN's NA48 simulation program

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High-Performance Computing and Networking (HPCN-Europe 1994)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 796))

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Abstract

The GP-MIMD2 project aims at demonstrating the effectiveness of using a European massively parallel supercomputer (MEIKO CS-2) in two different scientific production environments. One of its initial goals is the development of a parallel version of NMC, a specialized simulation code (developed by the CERN experiment NA48) which relies on a huge database (shower library) for maximum efficiency. NMC's memory requirements, combined with NA48's need of high statistics on a short timescale, make it a particular interesting candidate for MPP applications.

In our staged approach to NMC's parallelisation we decided to start with event level parallelisation (task farming); this was implemented using tasks that communicate via the CHIMP message passing interface. An overview of our initial experience will be given, both with and without access to the shower library. First timing tests and I/O analysis will be described, concluding with plans for future developments.

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References

  1. Project P7255 GP-MIMD2, described in “High Performance Computing and Networking, Summaries of Projects (Synopsis)”, Jan. 1993, CEC DG-XIII

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  6. R. Brun et al.: “GEANT User's Guide”, CERN Program Library W5103

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  7. B. Panzer-Steindel: “Test of Scalability for Task-Farming with CHIMP”, CN-GPM Internal Note, August 1993

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Authors and Affiliations

  1. CERN, Geneva, Switzerland

    J. Apostolakis, C. E. Bruschini, P. Calafiura, F. Gagliardi, M. Metcalf, A. Norton & B. Panzer-Steindel

  2. Department of Physics and Astronomy, University of Edinburgh, UK

    L. M. Bertolotto & K. J. Peach

Authors
  1. J. Apostolakis
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  2. C. E. Bruschini
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  3. P. Calafiura
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  4. F. Gagliardi
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  5. M. Metcalf
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  6. A. Norton
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  7. B. Panzer-Steindel
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  8. L. M. Bertolotto
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  9. K. J. Peach
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Editor information

Wolfgang Gentzsch Uwe Harms

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© 1994 Springer-Verlag Berlin Heidelberg

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Apostolakis, J. et al. (1994). First results from the parallelisation of CERN's NA48 simulation program. In: Gentzsch, W., Harms, U. (eds) High-Performance Computing and Networking. HPCN-Europe 1994. Lecture Notes in Computer Science, vol 796. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0020401

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  • DOI: https://doi.org/10.1007/BFb0020401

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-57980-9

  • Online ISBN: 978-3-540-48406-6

  • eBook Packages: Springer Book Archive

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