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Timing Minimization by Statistical Timing hMetis-based Partitioning
New Delhi, India January 04-January 08
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICVD.2003.118311516th International Conference on VLSI ...
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Cristinel Ababei, University of Minnesota
Kia Bazargan, University of Minnesota
In this paper we present statistical timing driven hMetis-based partitioning. We approach timing driven partitioning from a different perspective: we use the statistical timing criticality concept to change the partitioning process itself. We exploit the hyperedge coarsening scheme of the hMetis partitioner for our timing minimization purpose. This allows us to perform partitioning such that the most critical nets in the circuit are not cut and therefore timing minimization can be achieved. The use of the hMetis partitioning algorithm makes our partitioning methodology fast. Simulations results show that 22% average delay improvement can be obtained. Furthermore, as a result of using the statistical timing model, the partitioning results can tolerate changes in temperature and process variation, hence causing less delay change compared to partitioning using static timing models.
Citation:
Cristinel Ababei, Kia Bazargan, "Timing Minimization by Statistical Timing hMetis-based Partitioning," vlsid, pp.58, 16th International Conference on VLSI Design, 2003
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