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International Conference on High Performance Computing

ISC High Performance 2019: High Performance Computing pp 441–451Cite as

A Study on the Performance of Reproducible Computations

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Part of the Lecture Notes in Computer Science book series (LNTCS,volume 11887)

Abstract

Parallel computations are intrinsically non-reproducible, due to a combined effect of non-deterministic parallel reductions and non-associative floating point operations. Different strategies have been proposed in literature to alleviate this issue or eliminate it altogether, however at present there is no study on the performance impact of associative floating point operations on large scale applications. In this work, we implement associative operations using binned doubles in MiniFE, and perform various performance tests on Cirrus and Fulhame, two state-of-the-art HPC systems.

Keywords

  • Reproducibility
  • Binned doubles
  • Performance

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  • DOI: 10.1007/978-3-030-34356-9_33
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References

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Acknowledgement

This research is supported by Rolls-Royce plc through the EPSRC ASiMoV Prosperity Partnership Project. The authors would like to thank Rolls-Royce plc for granting permission to publish this work. The experiments were undertaken on two different systems: the Cirrus UK National Tier-2 HPC Service at EPCC, funded by the University of Edinburgh and EPSRC (EP/P020267/1); and the Fulhame system, which is supplied to EPCC as part of the Catalyst UK program, a collaboration with Hewlett Packard Enterprise, Arm and SUSE to accelerate the adoption of Arm based supercomputer applications in the UK.

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Authors and Affiliations

  1. EPCC, Bayes Centre, The University of Edinburgh, Edinburgh, Scotland

    Nico Bombace & Michèle Weiland

Authors
  1. Nico Bombace
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  2. Michèle Weiland
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Corresponding author

Correspondence to Nico Bombace .

Editor information

Editors and Affiliations

  1. University of Edinburgh, Edinburgh, UK

    Michèle Weiland

  2. Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Sachsen, Germany

    Dr. Guido Juckeland

  3. Swiss National Supercomputing Centre, Lugano, Ticino, Switzerland

    Sadaf Alam

  4. University of Tennessee at Knoxville, Knoxville, TN, USA

    Heike Jagode

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Bombace, N., Weiland, M. (2019). A Study on the Performance of Reproducible Computations. In: Weiland, M., Juckeland, G., Alam, S., Jagode, H. (eds) High Performance Computing. ISC High Performance 2019. Lecture Notes in Computer Science(), vol 11887. Springer, Cham. https://doi.org/10.1007/978-3-030-34356-9_33

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  • DOI: https://doi.org/10.1007/978-3-030-34356-9_33

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-34355-2

  • Online ISBN: 978-3-030-34356-9

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