Path-Based Pre-Routing Timing Prediction for Modern Very Large-Scale Integration Designs

Li Wei Chen, Yao Nien Sui, Tai Cheng Lee, Yih Lang Li, Mango C.T. Chao, I. Ching Tsai, Tai Wei Kung, En Cheng Liu, Yun Chih Chang

研究成果: Conference contribution同行評審

1 引文 斯高帕斯(Scopus)

摘要

Timing closure is crucial to successful very large-scale integration designs. In the physical design stage, designers must iterate their design to develop a layout that can resolve timing violations, which is relatively time consuming. The challenges of pre-routing timing prediction include delay prediction for routed wires and behavior analysis for post-route timing optimization. We present a path-based, pre-routing timing prediction mechanism using a machine-learning methodology and extracted features, which are the essential properties associated with path delay and timing optimization. Experimental results demonstrated that the slack values of the timing paths predicted using the proposed model are much closer to those at the post-route stage reported by an electronic design automation (EDA) tool, with R-square scores ranging from 0.994 to 0.998. Moreover, the proposed model exhibits considerable superiority in predicting the n most-timing-critical paths compared with the EDA tool at the post-clock tree synthesis (CTS) stage. The number of timing-critical paths that were the same as the 100 most-timing-critical paths reported by an EDA tool at the post-route stage is 63 to 86, whereas only 1 to 54 paths are reported at the post-CTS stage.

原文English
主出版物標題Proceedings of the 23rd International Symposium on Quality Electronic Design, ISQED 2022
發行者IEEE Computer Society
ISBN(電子)9781665494663
DOIs
出版狀態Published - 2022
事件23rd International Symposium on Quality Electronic Design, ISQED 2022 - Santa Jose, United States
持續時間: 6 4月 20227 4月 2022

出版系列

名字Proceedings - International Symposium on Quality Electronic Design, ISQED
2022-April
ISSN(列印)1948-3287
ISSN(電子)1948-3295

Conference

Conference23rd International Symposium on Quality Electronic Design, ISQED 2022
國家/地區United States
城市Santa Jose
期間6/04/227/04/22

指紋

深入研究「Path-Based Pre-Routing Timing Prediction for Modern Very Large-Scale Integration Designs」主題。共同形成了獨特的指紋。

引用此