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Automatic implementation of dynamic load balancing strategies for structured computational mechanics codes

Automatic implementation of dynamic load balancing strategies for structured computational mechanics codes

Rodrigues, J. N., Johnson, S. P., Walshaw, C. ORCID: 0000-0003-0253-7779 and Cross, M. (1999) Automatic implementation of dynamic load balancing strategies for structured computational mechanics codes. In: Topping, B.H.V., (ed.) Developments in Computational Mechanics with High Performance Computing. Civil-Comp Press, Edinburgh, UK, pp. 41-47. ISBN 0 948 749 59 8 (doi:10.4203/ccp.57.2.4)

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Abstract

This paper presents a new dynamic load balancing technique for structured mesh computational mechanics codes in which the processor partition range limits of just one of the partitioned dimensions uses non-coincidental limits, as opposed to using coincidental limits in all of the partitioned dimensions. The partition range limits are 'staggered', allowing greater flexibility in obtaining a balanced load distribution in comparison to when the limits are changed 'globally'. as the load increase/decrease on one processor no longer restricts the load decrease/increase on a neighbouring processor. The automatic implementation of this 'staggered' load balancing strategy within an existing parallel code is presented in this paper, along with some preliminary results.

Item Type: Book Section
Pre-2014 Departments: School of Computing & Mathematical Sciences
Last Modified: 14 Oct 2016 09:00
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/411

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