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Exploiting temporal uncertainty in time warp simulations

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2 Author(s)
Beraldi, R. ; Dipt. Elettronica, Inf. e Sistemistica, Calabria Univ., Italy ; Nigro, L.

This paper describes a time warp mechanism designed to exploit temporal uncertainty (TU) in distributed simulation. Novel in the proposed approach are: a formal event model where events are assigned time intervals instead of usual punctual timestamps; an aggressive cancellation technique which shifts overheads from communications to computation; and an implementation in Java which deploys a framework for distributed simulations over the Internet. The paper introduces the time warp mechanism and reports some experimental results using a large PCS model. The experiments confirm that TU is able to speedup simulation without compromising the accuracy of the results

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Distributed Simulation and Real-Time Applications, 2000. (DS-RT 2000). Proceedings. Fourth IEEE International Workshop on

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