Congestion Field - 2025.2 English - UG906

Vivado Design Suite User Guide: Design Analysis and Closure Techniques (UG906)
Document ID
UG906
Release Date
2025-12-10
Version
2025.2 English

Follow these steps to configure the Congestion field in the Report Design Analysis dialog box:

  1. Enable congestion analysis:
    • Select the Congestion checkbox to toggle the -congestion Tcl switch.
    • Equivalent Tcl option: -congestion (implied when field is enabled)
  2. Set the minimum congestion level:
    • Select the Minimum congestion level option to set the threshold for reported router congestion.
    • Enter a value between 3 and 8. The default is 5.
    • Equivalent Tcl option: -min_congestion_level <arg>
  3. Check results and adjust if needed:
    • If the report shows no congested regions, reduce the threshold value and rerun the report.
    • Congestion data appears only when regions meet or exceed the specified threshold.