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A Hierarchical Task Scheduler for Heterogeneous Computing

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Book cover High Performance Computing (ISC High Performance 2021)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 12728))

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Abstract

Heterogeneous computing is one of the future directions of HPC. Task scheduling in heterogeneous computing must balance the challenge of optimizing the application performance and the need for an intuitive interface with the programming run-time to maintain programming portability. The challenge is further compounded by the varying data communication time between tasks. This paper proposes RANGER, a hardware-assisted task-scheduling framework. By integrating RISC-V cores with accelerators, the RANGER scheduling framework divides scheduling into global and local levels. At the local level, RANGER further partitions each task into fine-grained subtasks to reduce the overall makespan. At the global level, RANGER maintains the coarse granularity of the task specification, thereby maintaining programming portability. The extensive experimental results demonstrate that RANGER achieves a \(12.7\times \) performance improvement on average, while only requires \(2.7\%\) of area overhead.

This manuscript has been co-authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan.

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Acknowledgments

This material is based upon work supported by the US Department of Energy (DOE) Office of Science, Office of Advanced Scientific Computing Research under contract number DE-AC05-00OR22725.

This research was supported in part by the DOE Advanced Scientific Computing Research Program Sawtooth Project and the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT-Battelle LLC for DOE.

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Authors and Affiliations

  1. Advanced Computing Systems Research Section, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA

    Narasinga Rao Miniskar, Frank Liu, Aaron R. Young & Jeffrey S. Vetter

  2. Rowan University, 201 Mullica Hill Road, Glassboro, NJ, 08028, USA

    Dwaipayan Chakraborty

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  1. Narasinga Rao Miniskar
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  2. Frank Liu
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  3. Aaron R. Young
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  4. Dwaipayan Chakraborty
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  5. Jeffrey S. Vetter
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Corresponding author

Correspondence to Narasinga Rao Miniskar .

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Editors and Affiliations

  1. Hewlett Packard Enterprise, Seattle, WA, USA

    Bradford L. Chamberlain

  2. University of Amsterdam, Amsterdam, The Netherlands

    Ana-Lucia Varbanescu

  3. Extreme Computing Research Center, Thuwal Jeddah, Saudi Arabia

    Hatem Ltaief

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

    Piotr Luszczek

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Miniskar, N.R., Liu, F., Young, A.R., Chakraborty, D., Vetter, J.S. (2021). A Hierarchical Task Scheduler for Heterogeneous Computing. In: Chamberlain, B.L., Varbanescu, AL., Ltaief, H., Luszczek, P. (eds) High Performance Computing. ISC High Performance 2021. Lecture Notes in Computer Science(), vol 12728. Springer, Cham. https://doi.org/10.1007/978-3-030-78713-4_4

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  • DOI: https://doi.org/10.1007/978-3-030-78713-4_4

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-78712-7

  • Online ISBN: 978-3-030-78713-4

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