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Addressing bandwidth contention in SMT multicores through scheduling

Published: 10 June 2014 Publication History

Abstract

To mitigate the impact of bandwidth contention, which in some processes can yield to performance degradations up to 40%, we devise a scheduling algorithm that tackles main memory and L1 bandwidth contention. Experimental evaluation on a real system shows that the proposal achieves an average speedup by 5% with respect to Linux.

References

[1]
J. Feliu, J. Sahuquillo, S. Petit, and J. Duato. L1-Bandwidth Aware Thread Allocation in Multicore SMT Processors. In PACT, pages 123--132, 2013.
[2]
D. Xu, C. Wu, and P.-C. Yew. On mitigating memory bandwidth contention through bandwidth-aware scheduling. In PACT, pages 237--248, 2010.

Cited By

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  • (2016)SMT-Aware Instantaneous Footprint OptimizationProceedings of the 25th ACM International Symposium on High-Performance Parallel and Distributed Computing10.1145/2907294.2907308(267-279)Online publication date: 31-May-2016

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cover image ACM Conferences
ICS '14: Proceedings of the 28th ACM international conference on Supercomputing
June 2014
378 pages
ISBN:9781450326421
DOI:10.1145/2597652
Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 10 June 2014

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Author Tags

  1. bandwidth contention
  2. bandwidth-aware scheduling

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ICS '14 Paper Acceptance Rate 34 of 160 submissions, 21%;
Overall Acceptance Rate 629 of 2,180 submissions, 29%

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Cited By

View all
  • (2016)SMT-Aware Instantaneous Footprint OptimizationProceedings of the 25th ACM International Symposium on High-Performance Parallel and Distributed Computing10.1145/2907294.2907308(267-279)Online publication date: 31-May-2016

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