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Performance Analysis of an Optimistic Simulator for CD++

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Performance Analysis of an Optimistic Simulator for CD++
DEVS is a formalism to describe generic dynamic systems in a hierarchical and modular way. We present new techniques for executing DEVS and CellDEVS models in parallel and distributed environments based on the warped kernel. The parallel simulator PCD++ has been extended to support optimistic simulations. A non-hierarchical approach is employed to reduce the communication overhead. A two-level usercontrolled state-saving mechanism is proposed to achieve efficient and flexible state saving at runtime. It is shown that optimistic PCD++ markedly outperforms other alternatives, and considerable speedups can be achieved in parallel and distributed simulations.
Qi Liu, Gabriel A. Wainer
Added 02 Jun 2010
Updated 02 Jun 2010
Type Conference
Year 2007
Where ANSS
Authors Qi Liu, Gabriel A. Wainer
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