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DTSTAMP:20240626T180034Z
LOCATION:Level 2 Lobby
DTSTART;TZID=America/Los_Angeles:20240626T180000
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UID:dac_DAC 2024_sess256_LBR115@linklings.com
SUMMARY:Late Breaking Results: Coulomb Force-Based Routability-Driven Plac
 ement Considering Global and Local Congestion
DESCRIPTION:Late Breaking Results Poster\n\nJihai Meng and Shaohong Weng (
 Fuzhou University), Zhijie Cai (Fudan University), Yilu Chen and Zhifeng L
 in (Fuzhou University), and Jianli Chen (Fudan University)\n\nPlacement is
  a critical stage for VLSI routability optimization. A placement engine wi
 thout considering the layout congestion might lead to poor solutions with 
 routing failures. This paper introduces a Coulomb force-based global place
 ment framework that addresses global and local routing congestions. We fir
 st present a routing path-based cell padding strategy for local congestion
  mitigation. Then, we construct a routability-aware placement model that u
 tilizes virtual Coulomb forces to eliminate crucial global congestion. Com
 pared with a leading academic placer, RePlAce, and the advanced commercial
  tool, Innovus, the experimental results on industrial benchmark suites sh
 ow that our proposed algorithm achieves the best routability within the sh
 ortest runtime.
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