Load-balancing techniques for a parallel electromagnetic particle-in-cell code

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QUICKSILVER is a 3-d electromagnetic particle-in-cell simulation code developed and used at Sandia to model relativistic charged particle transport. It models the time-response of electromagnetic fields and low-density-plasmas in a self-consistent manner: the fields push the plasma particles and the plasma current modifies the fields. Through an LDRD project a new parallel version of QUICKSILVER was created to enable large-scale plasma simulations to be run on massively-parallel distributed-memory supercomputers with thousands of processors, such as the Intel Tflops and DEC CPlant machines at Sandia. The new parallel code implements nearly all the features of the original serial QUICKSILVER and can ... continued below

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Medium: P; Size: 64 pages

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PLIMPTON,STEVEN J.; SEIDEL,DAVID B.; PASIK,MICHAEL F. & COATS,REBECCA S. January 1, 2000.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

QUICKSILVER is a 3-d electromagnetic particle-in-cell simulation code developed and used at Sandia to model relativistic charged particle transport. It models the time-response of electromagnetic fields and low-density-plasmas in a self-consistent manner: the fields push the plasma particles and the plasma current modifies the fields. Through an LDRD project a new parallel version of QUICKSILVER was created to enable large-scale plasma simulations to be run on massively-parallel distributed-memory supercomputers with thousands of processors, such as the Intel Tflops and DEC CPlant machines at Sandia. The new parallel code implements nearly all the features of the original serial QUICKSILVER and can be run on any platform which supports the message-passing interface (MPI) standard as well as on single-processor workstations. This report describes basic strategies useful for parallelizing and load-balancing particle-in-cell codes, outlines the parallel algorithms used in this implementation, and provides a summary of the modifications made to QUICKSILVER. It also highlights a series of benchmark simulations which have been run with the new code that illustrate its performance and parallel efficiency. These calculations have up to a billion grid cells and particles and were run on thousands of processors. This report also serves as a user manual for people wishing to run parallel QUICKSILVER.

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Medium: P; Size: 64 pages

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INIS; OSTI as DE00751032

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  • Other Information: PBD: 1 Jan 2000

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  • Report No.: SAND2000-0183
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/751032 | External Link
  • Office of Scientific & Technical Information Report Number: 751032
  • Archival Resource Key: ark:/67531/metadc701926

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  • January 1, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 11, 2016, 6:12 p.m.

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PLIMPTON,STEVEN J.; SEIDEL,DAVID B.; PASIK,MICHAEL F. & COATS,REBECCA S. Load-balancing techniques for a parallel electromagnetic particle-in-cell code, report, January 1, 2000; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc701926/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.