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Distributed simulation of parallel executions

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3 Author(s)
Ricciulli, L. ; Comput. Sci. Lab., SRI Int., Menlo Park, CA, USA ; Lincoln, P. ; Meseguer, J.

We propose a new practical technique for the distributed execution-driven simulation of parallel computers. Our simulation methodology allows complete verbalization of the design at all levels and achieves good performance by preserving and exploiting the parallelism of the parallel program being simulated. With our technique it is possible to decouple the simulation of the execution of a parallel application from the estimation of the virtual execution time in which such execution is carried out. Our technique uses minimal overhead to maintain coherent distributed event causality relations by making it possible for the simulated executions to reflect the intrinsic uncertainties of parallel applications being simulated. We include a detailed description of our methodology, explain how to apply our ideas to parallelize an existing execution-driven sequential simulator under quite general assumptions, discuss the trade-offs of our methodology, and give preliminary performance measurements of a distributed simulator that uses our technique

Published in:

Simulation Symposium, 1996., Proceedings of the 29th Annual

Date of Conference:

8-11 Apr 1996