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Towards a parallel disk-based algorithm for multilevel k-way hypergraph partitioning

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2 Author(s)
Trifunovic, A. ; Dept. of Comput., Imperial Coll. London, UK ; Knottenbelt, W.J.

Summary form only given. Here we present a disk-based parallel formulation of the multilevel k-way hypergraph partitioning algorithm. This algorithm provides the capability to partition very large hypergraphs that hitherto could not be partitioned since the memory required exceeds that available on a single workstation. The algorithm has three main phases: parallel coarsening, sequential partitioning of the coarsest hypergraph and parallel refinement. At each parallel coarsening and refinement step disk is used to minimise memory usage. We apply the algorithm to very large hypergraphs with Θ(107 ) vertices from the domain of performance modelling and show that the partitioning quality is approximately 20% better in terms of the (k - 1) metric than approximate partitionings produced by a state-of-the-art parallel graph partitioning tool.

Published in:

Parallel and Distributed Processing Symposium, 2004. Proceedings. 18th International

Date of Conference:

26-30 April 2004