Report High Fanout Nets - 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

Use the report_high_fanout_nets command to analyze nets with the highest fanout in your design. You can run this command on a post-synthesized, placed, or routed netlist. Before placement, the report does not include clock region and SLR information.

The report shows the following:

  • Fanout
  • Driver type
  • Load types
  • Clock regions (if applicable)
  • SLRs (if applicable)

The following figure shows an example of the report generated.

Figure 1. High Fanout Net Report