Dominator-based partitioning for delay optimization.
GLSVLSI '06 Proceedings of the 16th ACM Great Lakes symposium on VLSI(2006)
摘要
Most of the logic synthesis algorithms are not scalable for large networks and, for this reason, partitioning is often applied. However traditional mincut-based partitioning techniques are not always suitable for delay and area logic optimizations. The paper presents an approach that uses a dominator-based partitioning and conventional logic synthesis techniques for delay optimization of large networks. The calculation of dominators is crucial to find topologically ordered clusters suitable for logic restructuring. As a result, a scalable and efficient strategy for delay optimization is proposed and evaluated, showing tangible improvements with respect to existing techniques. A comparison with a standard mincut-based partitioning technique is also presented.
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