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Adaptive hybrid scheduling of nonuniform loops on UMA models

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3 Author(s)
Huaping Chen ; Dept. of Comput. Sci., Univ. of Sci. & Technol. of China, Hefei, China ; Jing Li ; Guoliang Chen

It is very difficult to keep load balancing among processors for the nonuniform loop in compile-time and it must be at the price of extra overhead to use dynamic methods. This paper proposes an adaptive hybrid scheduling way, in which the processes of distribution of loop are divided into a few rounds and the block size in each round is determined adaptively according to the average overhead due to dynamic scheduling. Several experimental results have also exposed the effect of scheduling parameter, which could be selected by programmers according to the probability that a fetching processor may not perform an additional task fetching

Published in:

Advances in Parallel and Distributed Computing, 1997. Proceedings

Date of Conference:

19-21 Mar 1997