NDLI: Dynamic Load Balancing for Parallel Numerical Simulations Based on Repartitioning with Disturbed Diffusion

Content Provider	IEEE Xplore Digital Library
Author	Meyerhenke, H.
Copyright Year	2009
Abstract	Load balancing is an important requirement for the efficient execution of parallel numerical simulations. In particular when the simulation domain changes over time, the mapping of computational tasks to processors needs to be modified accordingly. State-of-the-art libraries for this problem are based on graph repartitioning. They have a number of drawbacks, including the optimized metric and the difficulty of parallelizing the popular repartitioning heuristic Kernighan-Lin (KL). In this paper we further explore the very promising diffusion-based graph partitioning algorithm DibaP [1] by adapting DibaP to the related problem of load balancing and improving its implementation. The presented experiments with graph sequences that imitate adaptive numerical simulations are the first using DibaP for load balancing. They demonstrate the applicability and high quality of DibaP for load balancing by repartitioning. Compared to the faster state-of-the-art repartitioners ParMETIS and parallel JOSTLE, DibaP's solutions have partitions with significantly fewer external edges and boundary nodes and the resulting average migration volume in the important maximum norm is also the best in most cases.
Starting Page	150
Ending Page	157
File Size	418404
Page Count	8
File Format	PDF
ISBN	9781424457885
ISSN	15219097
e-ISBN	9781424457892
DOI	10.1109/ICPADS.2009.114
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Load management Numerical simulation Computational modeling Libraries Application software Concurrent computing Computer science Partitioning algorithms Partial differential equations Finite element methods disturbed diffusion Load balancing graph partitioning parallel adaptive numerical simulations
Content Type	Text
Resource Type	Article
Subject	Hardware and Architecture

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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