Non-clairvoyant scheduling of multiple bag-of-tasks applications

  • Authors:
  • Henri Casanova;Matthieu Gallet;Frédéric Vivien

  • Affiliations:
  • University of Hawai'i at Mānoa, HI;École normale supérieure de Lyon, France and INRIA, France;University of Hawai'i at Mānoa, HI and École normale supérieure de Lyon, France and INRIA, France

  • Venue:
  • EuroPar'10 Proceedings of the 16th international Euro-Par conference on Parallel processing: Part I
  • Year:
  • 2010

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Abstract

The bag-of-tasks application model, albeit simple, arises in many application domains and has received a lot of attention in the scheduling literature. Previous works propose either theoretically sound solutions that rely on unrealistic assumptions, or ad-hoc heuristics with no guarantees on performance. This work attempts to bridge this gap through the design of non-clairvoyant heuristics based on solid theoretical foundations. The performance achieved by these heuristics is studied via simulations in a view to comparing them both to previously proposed solutions and to theoretical upper bounds on achievable performance. Also, an interesting theoretical result in this work is that a straightforward on-demand heuristic delivers asymptotically optimal performance when the communications or the computations can be neglected.