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The Computer Journal 2005 48(3):369-378; doi:10.1093/comjnl/bxh089
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© The Author 2005. Published by Oxford University Press on behalf of The British Computer Society. All rights reserved. For Permissions, please email: journals.permissions@oupjournals.org

Scheduling Skeleton-Based Grid Applications Using PEPA and NWS

A. Benoit, M. Cole, S. Gilmore and J. Hillston

School of Informatics, The University of Edinburgh, James Clerk Maxwell Building, The King's Buildings, Mayfield Road, Edinburgh EH9 3JZ, UK

Any scheduling scheme for grid applications must make implicit or explicit assumptions about both the future behaviour of the application and the future availability and performance of grid resources. This paper describes an approach in which the future application behaviour is constrained by the use of algorithmic skeletons, facilitating modelling with a performance oriented process algebra, and future grid resource performance is predicted by the Network Weather Service (NWS) tool. The concept is illustrated through a case study involving Pipeline and Deal skeletons. A tool is presented which automatically generates and solves a set of models which are parameterised with information obtained from NWS. Some numerical results and timing information on the use of the tool are provided, illustrating the efficacy of this approach.

Received 29 June 2004. revised September 22, 2004.

* Email: enhancers{at}inf.ed.ac.uk


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