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Stefan Leye, Jan Himmelspach, Matthias Jeschke, Roland Ewald, and Adelinde M Uhrmacher (2008)

A grid-inspired mechanism for coarse-grained experiment execution

In: Proceedings of the 12th IEEE International Symposium on Distributed Simulation and Real-Time Applications, ed. by David Roberts and Abdulmotaleb El Saddik and Alois Ferscha, pp. 7-16, IEEE Computer Society, IEEE Press.

Stochastic simulations may require many replications until their results are statistically significant. Each replication corresponds to a standalone simulation job, so that these can be computed in parallel. This paper presents a grid-inspired approach to distribute such independent jobs over a set of computing resources that host simulation services, all of which are managed by a central master service. Our method is fully integrated with alternative ways of distributed simulation in JAMES II , hides all execution details from the user, and supports the coarse-grained parallel execution of any sequential simulator available in JAMES II . A thorough performance analysis of the new execution mode illustrates its efficiency.

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