Abstract
The paper describes the application of a Parallel Genetic Algorithm to Automatic Test Pattern Generation (ATPG) for digital circuits. Genetic Algorithms have been already proposed to solve this industrially critical problem, both on mono- and multi-processor architectures. Although preliminary results are very encouraging, there are some obstacles which limit their use: in particular, GAs are often unable to detect some hard to test faults, and require a careful tuning of the algorithm parameters. In this paper, we describe a new parallel version of an existing GA-based ATPG, which exploits competing sub-populations to overcome these problems. The new approach has been implemented in the PVM environment and has been evaluated on a workstation network using standard benchmark circuits. Preliminary results show that it is able to improve the results quality (by testing additional critical faults) at the expense of increased CPU time requirements.
This work is partially supported by European Union through the PCI project #9452 94 204 70 (PETREL).
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© 1996 Springer-Verlag Berlin Heidelberg
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Corno, F., Prinetto, P., Rebaudengo, M., Reorda, M.S. (1996). Exploiting competing subpopulations for automatic generation of test sequences for digital circuits. In: Voigt, HM., Ebeling, W., Rechenberg, I., Schwefel, HP. (eds) Parallel Problem Solving from Nature — PPSN IV. PPSN 1996. Lecture Notes in Computer Science, vol 1141. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-61723-X_1042
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DOI: https://doi.org/10.1007/3-540-61723-X_1042
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