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P2P design and implementation of a parallel branch and bound algorithm for grids

Abstract : Solving optimally large instances of combinatorial optimisation problems using Branch and Bound (B&B) algorithms is CPU-time intensive and requires a large number of computational resources. To harness such huge amount of resources Peer-to-Peer (P2P) communications must be allowed between resources, and adaptive load balancing and fault-tolerance have to be dealt with when designing and implementing a B&B algorithm. In this paper, we propose a P2P design and implementation of a parallel B&B algorithm on top of the ProActive grid middleware. Load distribution and fault-tolerance strategies are proposed to deal with the dynamic and heterogeneous characteristics of the computational grid. The approach has been promisingly applied to the Flow-Shop scheduling problem and experimented on a computational pool of 1500 CPUs from the GRID'5000 Nation-wide experimental Grid.
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https://hal.inria.fr/hal-00690313
Contributor : Ist Rennes <>
Submitted on : Monday, April 23, 2012 - 10:19:04 AM
Last modification on : Thursday, May 28, 2020 - 9:22:09 AM

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Ahcène Bendjoudi, Nouredine Melab, El-Ghazali Talbi. P2P design and implementation of a parallel branch and bound algorithm for grids. International Journal of Grid and Utility Computing, Inderscience, 2009, 1 (2), pp.159-168. ⟨10.1504/IJGUC.2009.022031⟩. ⟨hal-00690313⟩

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