Cell Based Discrete-Event Simulation

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Results

Definition of abstract real-time simulators for DEVS models

The CD++ toolkit was developed in order to implement the theoretical concepts specified by the DEVS formalism. The tool allows the execution of both DEVS and Cell-DEVS models. In this work, we present a synthetic model generator that produces DEVS models similar to those that exist in the real world. A thorough testing has been carried out using the different simulation techniques provided in the toolkit, which employ a virtual time approach. This work presents the definition and implementation of a real time simulator. In such simulations, events must be handled timely and time constraints can be stated and validated accordingly. The new simulation technique allows the interaction between the model and its surrounding environment. Additionally, a non-hierarchical simulation approach is presented and introduced to CD++ in order to reduce the communication overhead. The experiments showed that the new flattened simulation technique is more efficient than the hierarchical one.

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