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Publications of Torsten Hoefler
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R. Gerstenberger, M. Besta, T. Hoefler:

 Enabling Highly-Scalable Remote Memory Access Programming with MPI-3 One Sided

(In Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis, presented in Denver, Colorado, USA, pages 53:1--53:12, ACM, ISBN: 978-1-4503-2378-9, Nov. 2013)
Best Student Paper Finalist (8/92) and SC13 Best Paper (1/92)

Abstract

Modern interconnects offer remote direct memory access (RDMA) features. Yet, most applications rely on explicit message passing for communications albeit their unwanted overheads. The MPI-3.0 standard defines a programming interface for exploiting RDMA networks directly, however, it’s scalability and practicability has to be demonstrated in practice. In this work, we develop scalable bufferless protocols that implement the MPI-3.0 specification. Our protocols support scaling to millions of cores with negligible memory consumption while providing highest performance and minimal overheads. To arm programmers, we provide a spectrum of performance models for all critical functions and demonstrate the usability of our library and models with several application studies with up to half a million processes. We show that our design is comparable to, or better than UPC and CAF in terms of latency, bandwidth, and message rate. We also demonstrate application performance improvements with comparable programming complexity.

Documents

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BibTeX

@inproceedings{fompi-mpi3-one-sided,
  author={R. Gerstenberger and M. Besta and T. Hoefler},
  title={{Enabling Highly-Scalable Remote Memory Access Programming with MPI-3 One Sided}},
  year={2013},
  month={Nov.},
  pages={53:1--53:12},
  booktitle={Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis},
  location={Denver, Colorado, USA},
  publisher={ACM},
  isbn={978-1-4503-2378-9},
  source={http://www.unixer.de/~htor/publications/},
}

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