Design and Implementation of Dynamic Process Management for Grid-Enabled MPICH

  • Sangbum Kim
  • Namyoon Woo
  • Heon Y. Yeom
  • Taesoon Park
  • Hyoung-Woo Park
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2840)

Abstract

This paper presents the design and impementation of MPI_Rejoin() for MPICH-GF, a grid-enabled fault tolerant MPICH implementation. To provide fault tolerance to the MPI applications, it is mandatory for a failed process to recover and continue execution. However, current MPI implementations do not support dynamic process management and it is not possible to restore the information regarding communication channels. The ‘rejoin’ operation allows the restored process to rejoin the existing group by updating the corresponding entries of the channel table with the new physical address. We have verified that our implementation can correctly reconstruct the MPI communication structure by running NPB applications. We also report on the cost of ‘rejoin’ operation.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Sangbum Kim
    • 1
  • Namyoon Woo
    • 1
  • Heon Y. Yeom
    • 1
  • Taesoon Park
    • 2
  • Hyoung-Woo Park
    • 3
  1. 1.School of Computer Science and EngineeringSeoul National UniversitySeoulKorea
  2. 2.Department of Computer EngineeringSejong UniversitySeoulKorea
  3. 3.Supercomputing CenterKISTITaejonKorea

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