Enabling MPI interoperability through flexible communication endpoints

@inproceedings{Dinan2013EnablingMI,
  title={Enabling MPI interoperability through flexible communication endpoints},
  author={James Dinan and Pavan Balaji and David Goodell and Douglas Miller and Marc Snir and Rajeev Thakur},
  booktitle={EuroMPI},
  year={2013}
}
The current MPI model defines a one-to-one relationship between MPI processes and MPI ranks. This model captures many use cases effectively, such as one MPI process per core and one MPI process per node. However, this semantic has limited interoperability between MPI and other programming models that use threads within a node. In this paper, we describe an extension to MPI that introduces communication endpoints as a means to relax the one-to-one relationship between processes and threads… CONTINUE READING
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