Net weighting to reduce repeater counts during placement

Brent Goplen, Prashant Saxena, Sachin Sapatnekar

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations


We demonstrate how to use placement to ameliorate the predicted repeater explosion problem caused by poor interconnect scaling. We achieve repeater count reduction by dynamically modifying net weights in a context-sensitive manner during global placement and coarse legalization. Our scheme, which models layer assignment as well as valid inter-repeater distance ranges, can decrease the repeater counts significantly with minimal impact on wirelength.

Original languageEnglish (US)
Article number30.2
Pages (from-to)503-508
Number of pages6
JournalProceedings - Design Automation Conference
StatePublished - 2005
Event42nd Design Automation Conference, DAC 2005 - Anaheim, CA, United States
Duration: Jun 13 2005Jun 17 2005


  • Buffering
  • Force-directed placement
  • Interconnect
  • Net weighting
  • Placement
  • Repeater
  • Scaling

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