List Ranking on a Coarse Grained Multiprocessor

Isabelle Guérin Lassous Jens Gustedt 1
1 RESEDAS - Software Tools for Telecommunications and Distributed Systems
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : We present a deterministic algorithm for the List Ranking Problem on a Coarse Grained p-Multiprocessor (CGM) that is only a factor of log*(p) away from optimality. This statement holds as well for counting communication rounds where it achieves O(log(p) log*(p)) and for the required communication cost and total computation time where it achieves O(n log*(p)). We report on experimental studies of that algorithm on a variety of platforms that show the validity of the chosen CGM-model, and also show the possible gains and limits of such an algorithm. Finally, we suggest to extend CGM model by the communication blow up to allow better a priori predictions of communication costs of algorithms.
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Rapport
[Research Report] RR-3640, INRIA. 1999, pp.14
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Isabelle Guérin Lassous, Jens Gustedt. List Ranking on a Coarse Grained Multiprocessor. [Research Report] RR-3640, INRIA. 1999, pp.14. 〈inria-00073033〉

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