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Constructing execution-time estimation models from diverse processing elements of heterogeneous clusters

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2 Author(s)
Ichikawa, S. ; Dept. of Knowledge-based Inf. Eng., Toyohashi Univ. of Technol., Toyohashi ; Kawai, Y.

Heterogeneous cluster is a reasonable extension of conventional PC clusters, while it is a difficult target for optimization. Although load imbalance can be alleviated by invoking multiple processes on fast nodes (without modification of source code), the optimal process allocation is not obvious. The preceding studies reported that practical estimation is possible by constructing the execution-time estimation models from homogeneous sub-clusters. In this study, we propose a method to construct the models from diverse processing elements of a heterogeneous cluster, and present some preliminary evaluation results. The derived models were accurate enough to find optimal or sub-optimal allocations, while requiring less nodes for model construction.

Published in:

TENCON 2008 - 2008 IEEE Region 10 Conference

Date of Conference:

19-21 Nov. 2008