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Merging Parallel Simulation Programs

Published: 01 June 2005 Publication History

Abstract

In earlier work cloning is proposed as a means forefficiently splitting a running simulation midway through its execution into multiple parallel simulations. In simulation cloning, clones usually are able to share computations that occur early in the simulation, but as their states diverge individual LPs are replicated as necessary so that their computations proceed independently. However, if, over time the state of the clones (or their constituent LPs) converges there is, as of yet, no means for recombining them. In this case some efficiency is lost because they will execute identical events. This idea is the reverse of cloning, as we merge logical processes that have been previously cloned and we show that this can further increase efficiency because the new un-cloned LPs will complete computations that would otherwise be duplicated.We discuss our implementation of merging, and illustrate its effectiveness in several example simulation scenarios.

Cited By

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  • (2008)Interval BranchingProceedings of the 22nd Workshop on Principles of Advanced and Distributed Simulation10.1109/PADS.2008.8(99-108)Online publication date: 3-Jun-2008
  • (2007)Efficient Analysis of Simultaneous Events in Distributed SimulationProceedings of the 11th IEEE International Symposium on Distributed Simulation and Real-Time Applications10.1109/DS-RT.2007.24(244-251)Online publication date: 22-Oct-2007

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cover image ACM Conferences
PADS '05: Proceedings of the 19th Workshop on Principles of Advanced and Distributed Simulation
June 2005
280 pages
ISBN:0769523838

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IEEE Computer Society

United States

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Published: 01 June 2005

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PADS '05 Paper Acceptance Rate 30 of 46 submissions, 65%;
Overall Acceptance Rate 398 of 779 submissions, 51%

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Cited By

View all
  • (2008)Interval BranchingProceedings of the 22nd Workshop on Principles of Advanced and Distributed Simulation10.1109/PADS.2008.8(99-108)Online publication date: 3-Jun-2008
  • (2007)Efficient Analysis of Simultaneous Events in Distributed SimulationProceedings of the 11th IEEE International Symposium on Distributed Simulation and Real-Time Applications10.1109/DS-RT.2007.24(244-251)Online publication date: 22-Oct-2007

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