2007, English, Article edition: Improving Reactivity and Communication Overlap in MPI using a Generic I/O Manager Trahay, François; Denis, Alexandre; Aumage, Olivier; ...

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Bookmark: http://trove.nla.gov.au/version/212361
Physical Description
  • text
Published
  • HAL - CCSD
  • 2007
Language
  • English

Edition details

Title
  • Improving Reactivity and Communication Overlap in MPI using a Generic I/​O Manager
Author
  • Trahay, François
  • Denis, Alexandre
  • Aumage, Olivier
  • Namyst, Raymond
Published
  • HAL - CCSD
  • 2007
Physical Description
  • text
Subjects
Notes
  • MPI applications may waste thousands of CPU cycles if they do not efficiently overlap communications and computation. In this paper, we present a generic and portable I/​O manager that is able to make communication progress asynchronously using tasklets. It chooses automatically the most appropriate communication method, depending on the context: multi-threaded application or not, SMP machine or not. We have implemented and evaluated our I/​O manager with Mad-MPI, our own MPI implementation, and compared it to other existing MPI implementations regarding the ability to efficiently overlap communication and computation.
  • HAL:inria-00177167, version 1
  • HAL:http:/​/​hal.inria.fr/​inria-00177167/​en/​
  • DOI:10.1007/​978-3-540-75416-9_27
Language
  • English
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