Feb. 13, 2024, 5:44 a.m. | Vidya A. Chhabria Wenjing Jiang Sachin S. Sapatnekar

cs.LG updates on arXiv.org arxiv.org

Engineering change orders (ECOs) in late stages make minimal design fixes to recover from timing shifts due to excessive IR drops. This paper integrates IR-drop-aware timing analysis and ECO timing optimization using reinforcement learning (RL). The method operates after physical design and power grid synthesis, and rectifies IR-drop-induced timing degradation through gate sizing. It incorporates the Lagrangian relaxation (LR) technique into a novel RL framework, which trains a relational graph convolutional network (R-GCN) agent to sequentially size gates to fix …

analysis change cs.ar cs.lg design engineering gate grid optimization orders paper power reinforcement reinforcement learning synthesis through

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