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Proceedings 15th Workshop on Parallel and Distributed Simulation (2001)
Lake Arrowhead, California
May 15, 2001 to May 18, 2001
ISSN: 1087-4097
ISBN: 0-7695-1104-X
pp: 145
B.J. Overeinder , University of Amsterdam
A. Schoneveld , University of Amsterdam
P.M.A. Sloot , University of Amsterdam
In this paper we study the influence of spatio-temporal correlations on the dynamic runtime behavior of the optimistic parallel Time Warp simulation method. By using the Ising spin model, we show experimentally that the distribution of the number of rolled back events behaves as a power-law distribution over a large range of sub-critical Ising tem-peratures and decays exponentially for super-critical Ising temperatures. For critical Ising temperatures, where long-range correlations occur, the computational complexity of Time Warp and physical complexity of the Ising spin model are entangled and contribute both to the runtime behavior in a nonlinear way.

B. Overeinder, P. Sloot and A. Schoneveld, "Spatio-Temporal Correlations and Rollback Distributions in Optimistic Simulations," Proceedings 15th Workshop on Parallel and Distributed Simulation(PADS), Lake Arrowhead, California, 2001, pp. 145.
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