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Features

  • Timing-driven placement: integrate timing-driven placement with a callback
  • Routing-driven placement: integrate routing-driven placement with a callback

Ease-of-development

  • More randomization:

    • Make the detailed placer less deterministic
    • Randomize lower-bound and upper-bound positions

  • Configuration handling:

    • Expose an help message for the options
    • Organize options hierarchically

Performance

  • Optimization for various quality/time tradeoffs
  • Parallel implementation for detailed placement
  • Legalization cost models other than L1
  • Reoptimization in legalization