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Conservative and optimistic distributed simulation in massively parallel computers: a comparative study

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3 Author(s)
Alonso, J.M. ; Dept. Arquitectura y Tecnologia de Comput., Pais Vasco Univ., San Sebastian, Spain ; Frutos, A.A. ; Palacio, R.B.

The main algorithms for sequential and parallel discrete event simulations are introduced. A set of different simulators is evaluated and compared using a transputer-based multicomputer: sequential, parallel conservative and parallel optimistic. For the proposed model, the conservative simulator shows better speedups. The obtained results show that a significant improvement on execution time can be obtained using parallel systems, but only if the model under simulation have some properties like coarse grain size and high degree of self-synchronisation

Published in:

Massively Parallel Computing Systems, 1994., Proceedings of the First International Conference on

Date of Conference:

2-6 May 1994