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Updating the Energy Model for Future Exascale Systems

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High Performance Computing (ISC High Performance 2015)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 9137))

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Abstract

The 2008 DARPA Exascale report had as its goal determining if it were possible to achieve 1000X the computational power of the then-emerging peta-scale systems at a system power of no more than 20 MW. The main conclusion was that there was no such path with technology and architectures as projected at that time. Key to this conclusion were architecturally-tailored models as to how projected advances would translate into system performance. This paper introduces a major update to the “heavyweight” (modern server-class multi-core chips) model, with a detailed discussion on the underlying projections as to technology, chip layout and microarchitecture, and system characteristics. The model is run over the same time period as the 2008 model to verify its accuracy.

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Notes

  1. 1.

    http://www.top500.org/.

  2. 2.

    http://www.Green500.org/.

  3. 3.

    http://www.Graph500.org/.

  4. 4.

    http://green.Graph500.org/.

  5. 5.

    e.g. PTM http://ptm.asu.edu/.

  6. 6.

    Prior to 2004, constant field Dennard Scaling had C vary with F and \(V_{dd}\) with \(F^2\). After 2004, \(V_{dd}\) has become almost flat, with a much smaller decline with F.

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Acknowledgements

This material is based upon work supported by the Department of Energy, National Nuclear Security Administration, under Award Number(s) DE-NA0002377, as part of the Center for Shock-Wave Processing of Advanced Reactive Materials, University of Notre Dame. It also builds on work performed under the Sandia National Labs XGC project.

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Authors and Affiliations

  1. University of Notre Dame, Notre Dame, IN, 46556, USA

    Peter M. Kogge

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  1. Peter M. Kogge
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Correspondence to Peter M. Kogge .

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Editors and Affiliations

  1. Deutsches Klimarechenzentrum (DKRZ), Hamburg, Germany

    Julian M. Kunkel

  2. Deutsches Klimarechenzentrum (DKRZ), Hamburg, Germany

    Thomas Ludwig

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Kogge, P.M. (2015). Updating the Energy Model for Future Exascale Systems. In: Kunkel, J., Ludwig, T. (eds) High Performance Computing. ISC High Performance 2015. Lecture Notes in Computer Science(), vol 9137. Springer, Cham. https://doi.org/10.1007/978-3-319-20119-1_24

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  • DOI: https://doi.org/10.1007/978-3-319-20119-1_24

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