2009, English, Article edition: A scalable and generic task scheduling system for communication libraries Trahay, François; Denis, Alexandre

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Bookmark: http://trove.nla.gov.au/version/202588
Physical Description
  • text
Published
  • HAL - CCSD
  • 2009
Language
  • English

Edition details

Title
  • A scalable and generic task scheduling system for communication libraries
Author
  • Trahay, François
  • Denis, Alexandre
Published
  • HAL - CCSD
  • 2009
Physical Description
  • text
Subjects
Notes
  • Since the advent of multi-core processors, the physionomy of typical clusters has dramatically evolved. This new massively multi-core era is a major change in architecture, causing the evolution of programming models towards hybrid MPI+threads, therefore requiring new features at low-level. Modern communication subsystems now have to deal with multi-threading: the impact of thread-safety, the contention on network interfaces or the consequence of data locality on performance have to be studied carefully. In this paper, we present PIOMan, a scalable and generic lightweight task scheduling system for communication libraries. It is designed to ensure concurrent progression of multiple tasks of a communication library (polling, offload, multi-rail) through the use of multiple cores, while preserving locality to avoid contention and allow a scalability to a large number of cores and threads. We have implemented the model, evaluated its performance, and compared it to state of the art solutions regarding overhead, scalability, and communication and computation overlap.
  • HAL:inria-00408521, version 1
  • HAL:http:/​/​hal.inria.fr/​inria-00408521/​en/​
Language
  • English
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