Distributed fault simulation for sequential circuits by pattern partitioning

W. C. Wu, C. L. Lee, J. E. Chen, W. Y. Lin

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The paper investigates distributed fault simulation by pattern partitioning for sequential circuits. Simulation is done by making each distributed machine perform fault-free simulation with preceding patterns and then perform fault simulation with its own patterns. The fault simulation is accelerated since the number of patterns needed to be performed fault simulation for each machine is reduced by a factor of n, the number of machines, and the faults detected by any machine are dropped through communication of the network. A superlinear speedup can be obtained because this method can automatically remove the Case 1 faults, which are time consuming faults and would be considered to be undetected in the traditional three-valued fault simulation but are in fact truly detected. A mathematical model is also presented to predict the performance of the distributed fault simulation.

Original languageEnglish
Pages (from-to)287-292
Number of pages6
JournalIEE Proceedings: Computers and Digital Techniques
Issue number4
StatePublished - Jul 1995


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