feat: post-drt antenna repair

efabless / openlane2

The next generation of OpenLane, rewritten from scratch with a modular architecture

https://openlane2.readthedocs.io/

Apache License 2.0

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feat: post-drt antenna repair #573

Open kareefardi opened 1 month ago

kareefardi commented 1 month ago

Steps

OpenROAD.RepairAntennasPostDRT
- New step similar to OpenROAD.RepairAntennas but using data after detailed routing. The step fixes antenna violations and reroute affected nets.
- New variable DRT_ANTENNA_MARGIN which is similar to GRT_ANTENNA_MARGIN
  Flows
Classic
- Added OpenROAD.RepairAntennasPostDRT which is gated by RUN_POST_DRT_ANTENNA_REPAIR. Disabled by default.

Depends on https://github.com/efabless/openlane2-ci-designs/pull/34

kareefardi commented 1 month ago

@donn Thoughts on:

Having the step in the classical flow
The additional variable DRT_ANTENNA_MARGIN

openlane-bot commented 1 month ago

Metric comparisons are in beta. Please report bugs under the issues tab.

To create this report yourself, grab the metrics artifact from the CI run, extract them, and invoke python3 -m openlane.common.metrics compare-remote current --branch dev --table-verbosity ALL --table-out ./tables_all.md.

No changes to critical metrics were detected in analyzed designs.

Full tables ► https://gist.github.com/openlane-bot/aed0029a3d3000e08a863edf0ca4e929

efabless / openlane2

feat: post-drt antenna repair #573

Steps

Flows

Metric comparisons are in beta. Please report bugs under the issues tab.