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submission update: zero-overlap placement with improved average wirelength#60

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Mummanajagadeesh wants to merge 7 commits intopartcleda:mainfrom
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submission update: zero-overlap placement with improved average wirelength#60
Mummanajagadeesh wants to merge 7 commits intopartcleda:mainfrom
Mummanajagadeesh:main

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@Mummanajagadeesh Mummanajagadeesh commented Apr 23, 2026

This PR updates my placement submission and leaderboard entry.

What changed

  • Implemented differentiable overlap repulsion in placement.py
  • Added candidate shelf search and tuned local refinement
  • Added tiny-case wirelength search for small designs
  • Kept runtime-safe paths for very large cases to avoid hangs on tests 11 and 12
  • Updated my leaderboard row in README.md

Latest results

  • First 10 tests: Average Overlap 0.0000, Average Wirelength 0.2916, Total Runtime 65.21s
  • Full 12 tests: Average Overlap 0.0000, Average Wirelength 0.3076, Total Runtime 65.90s

Notes

  • Prioritized zero overlap while improving wirelength
  • Branch is main on my fork and this PR tracks that branch

@Mummanajagadeesh Mummanajagadeesh changed the title submission update: overlap fix and leaderboard row submission update: overlap fix and wirelength optimization Apr 23, 2026
@Mummanajagadeesh Mummanajagadeesh changed the title submission update: overlap fix and wirelength optimization submission update: zero-overlap placement with lower average wirelength Apr 28, 2026
@Mummanajagadeesh Mummanajagadeesh changed the title submission update: zero-overlap placement with lower average wirelength submission update: zero-overlap placement with improved average wirelength Apr 28, 2026
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