A fast power network optimization algorithm for improving dynamic IR-drop

Jai Ming Lin, Yang Tai Kung, Zheng Yu Huang, I. Ru Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

As the power consumption of an electronic equipment varies more severely, the device voltages in a modern design may fluctuate violently as well. Consideration of dynamic IR-drop becomes indispensable to current power network design. Since solving voltage violations according to all power consumption files in all time slots is impractical in reality, this paper applies a clustering based approach to find representative power consumption files and shows that most IR-drop violations can be repaired if we repair the power network according to these files. In order to further reduce runtime, we also propose an efficient and effective power network optimization approach. Compared to the intuitive approach which repairs a power network file by file, our approach alternates between different power consumption files and always repairs the file which has the worst IR-drop violation region that involves more power consumption files in each iteration. Since many violations can be resolved at the same time, this method is much faster than the iterative approach. The experimental results show that the proposed algorithm can not only eliminate voltage violations efficiently but also construct a power network with less routing resource.

Original languageEnglish
Title of host publicationISPD 2021 - Proceedings of the 2021 International Symposium on Physical Design
PublisherAssociation for Computing Machinery
Pages91-98
Number of pages8
ISBN (Electronic)9781450383004
DOIs
Publication statusPublished - 2021 Mar 22
Event2021 ACM International Symposium on Physical Design, ISPD 2021 - Virtual, Online, United States
Duration: 2021 Mar 222021 Mar 24

Publication series

NameProceedings of the International Symposium on Physical Design

Conference

Conference2021 ACM International Symposium on Physical Design, ISPD 2021
CountryUnited States
CityVirtual, Online
Period21-03-2221-03-24

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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