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Add report_layer_rc to floorplan stage#3974

Merged
maliberty merged 1 commit intoThe-OpenROAD-Project:masterfrom
Pavankumar07s:report-layer-rc
Mar 12, 2026
Merged

Add report_layer_rc to floorplan stage#3974
maliberty merged 1 commit intoThe-OpenROAD-Project:masterfrom
Pavankumar07s:report-layer-rc

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@Pavankumar07s
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Description

Adds a report_layer_rc call in the floorplan stage to log per-layer resistance
and capacitance values during the flow run.

Resolves #2841

Changes

  • Added report_layer_rc in flow/scripts/floorplan.tcl after report_units_metric,
    as part of the other one-time informational reports.

Why floorplan.tcl?

  • RC Values are loaded from setRC.tcl, sourced by load_design at the top of the file,
    so they will be available at this point.
  • Values are constant across all stages of the flow, so one call is sufficient in floorplan.
  • Following the pattern of report_units and report_units_metric, which are
    one-time informational reports and are placed here.

Output in log

The log now includes a table like:
flow

Call report_layer_rc in floorplan.tcl to log per-layer
resistance and capacitance values. Placed alongside
existing report_units calls since RC values are static
across all flow stages.

Resolves The-OpenROAD-Project#2841

Signed-off-by: Pavan kumar <pavan@kali.kali.edu>
@Pavankumar07s
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@maliberty could you please have a look.

@maliberty maliberty merged commit 15fa7bd into The-OpenROAD-Project:master Mar 12, 2026
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Report layer rc

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