An MPI-1 Compliant Thread-Based Implementation

  • Authors:

  • J. C. Díaz Martín;J. A. Rico Gallego;J. M. Álvarez Llorente;J. F. Perogil Duque

  • Affiliations:

  • Escuela Politécnica, University of Extremadura, Cáceres, Spain 10071;Escuela Politécnica, University of Extremadura, Cáceres, Spain 10071;Escuela Politécnica, University of Extremadura, Cáceres, Spain 10071;Escuela Politécnica, University of Extremadura, Cáceres, Spain 10071

  • Venue:
  • Proceedings of the 16th European PVM/MPI Users' Group Meeting on Recent Advances in Parallel Virtual Machine and Message Passing Interface
  • Year:
  • 2009

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Abstract

This work presents AzequiaMPI, the first full compliant implementation of the MPI-1 standard where the MPI node is a thread. Performance comparisons with MPICH2-Nemesis show that thread-based implementations exploit adequately the multicore architectures under oversubscription, what could make MPI competitive with OpenMP-like solutions.