Process Distance-Aware Adaptive MPI Collective Communications

  title={Process Distance-Aware Adaptive MPI Collective Communications},
  author={Teng Ma and Thomas H{\'e}rault and George Bosilca and Jack J. Dongarra},
  journal={2011 IEEE International Conference on Cluster Computing},
Message Passing Interface (MPI) implementations provide a great flexibility to allow users to arbitrarily bind processes to computing cores to fully exploit clusters of multicore/ many-core nodes. An intelligent process placement can optimize application performance according to underlying hardware architecture and the application's communication pattern. However, such static process placement optimization can't help MPI collective communication, whose topology is dynamic with members in each… CONTINUE READING
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