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SLO-ECO: Single-Line-Open Aware ECO Detailed Placement and Detailed Routing Co-Optimization

This is a GitHub repository of the SLO-ECO project. The source code is forked from the OpenROAD repo, commit: 76dc13. The paper has been published in the ISQED 2024 conference, and presented in 4A.3 session.

How can I compile and run this OpenROAD-integrated binary?

  • Please check the OpenROAD build manual in readthedocs#1.
  • An example Tcl usage manual within OpenROAD binary is available in readthedocs#2.

Where are the SLO-ECO source codes?

SMT2 formulations from SLO-ECO paper (See footnote 2 and 3)

  • Commodity flow conservation (CFC)
  • Vertex exclusiveness (VE)
  • Edge assignment (EA)
  • Metal segment (MS)
  • Geometric variable (GV)
  • Nub area rule (MAR)
  • End-of-line (EOL)
  • Objectives (Lexicographic Order)

Code Author (C++)

  • Dr. Mingyu Woo (Reimplements whole CoRe-ECO source codes based on the OpenROAD framework)

Contributions

  • Thanks to Dr. Jaehwan Kim and Prof. Andrew B. Kahng for valuable advice to proceed with this project.
  • Thanks to Joong-Won Jeon and Jae-Hyun Kang for providing the detailed SLO definition.
  • Thanks to previous CoRe-ECO coauthors, including Prof. C.-K. Cheng, Dr. Daeyeal Lee and Prof. Bill Lin for agreeing to open-source this SLO-ECO project.

Citations

  • J.-W. Jeon, A. B. Kahng, J.-H. Kang, J. Kim and M. Woo, "SLO-ECO: Single-Line-Open Aware ECO Detailed Placement and Detailed Routing Co-Optimization", Proc. IEEE International Symposium on Quality Electronic Design (ISQED), 2024 (Link).
  • C.-K. Cheng, A. B. Kahng, I. Kang, M. Kim, D. Lee, B. Lin, D. Park and M. Woo, "CoRe-ECO: Concurrent Refinement of Detailed Place-and-Route for an Efficient ECO Automation", Proc. ACM/IEEE International Conference on Computer Design (ICCD), 2021, pp. 366-373 (Link).