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feat!: Multiple PNR corners and custom RC values #591

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feat!: Multiple PNR corners and custom RC values #591

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@kareefardi kareefardi commented Oct 22, 2024 •
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  • Added ability to read multi corner libs during all OR PnR steps
  • Added ability to set custom rc values for layers and vias during all OR PnR steps

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openlane-bot commented Oct 22, 2024 •
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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/7c281b6757d64e62af685f38136cecce

@kareefardi
++
b8170b3
@kareefardi
Add vias_rc
9dae522 
Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
skip if not defined
94ed573 
Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
fix default behavior
fd2e140 
Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
format
b6960db 
Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
Squashed commit of the following:
58bafed 
commit e7a0e71
Author: Kareem Farid <[email protected]>
Date:   Sun Nov 3 13:22:53 2024 +0200

    lint

    Signed-off-by: Kareem Farid <[email protected]>

commit 9e25b72
Author: Kareem Farid <[email protected]>
Date:   Sun Nov 3 13:11:51 2024 +0200

    update changelog, Verilator.Lint, Yosys.JsonHeader

    Signed-off-by: Kareem Farid <[email protected]>

commit 36bca9b
Author: Kareem Farid <[email protected]>
Date:   Sun Nov 3 12:52:59 2024 +0200

    bugfix: allow unsetting variables in configuration files

    Signed-off-by: Kareem Farid <[email protected]>

commit b0246e6
Author: Kareem Farid <[email protected]>
Date:   Tue Oct 29 15:29:20 2024 +0300

    hotfix: incorrect error message when substiuting with a nonexistent step

commit 19109e1
Author: Mohamed Gaber <[email protected]>
Date:   Sat Oct 26 20:12:12 2024 +0300

    bugfix: odb steps dropping PYTHONPATH (#592)

    * `Odb.*`
      * Fixed OpenROAD dropping user-set `PYTHONPATH` values.

    ## Tool Updates

    * Use `NIX_PYTHONPATH` instead of `PYTHONPATH` in Docker and devshells
      to avoid collisions with user-set `PYTHONPATH` variables.

commit 627a5ab
Author: Mohamed Gaber <[email protected]>
Date:   Thu Oct 24 11:03:55 2024 +0300

    nix: make flake.createOpenLane shell more ergonomic

    ## Tool Updates
    * `flake.createOpenLaneShell` now gets OpenLane from `python3.pkgs`.
    * Fixed issue with `flake.createOpenLaneShell` where plugins would not get
      included due to an operator precedence issue.

commit 8451508
Author: Mohamed Gaber <[email protected]>
Date:   Thu Oct 24 10:57:58 2024 +0300

    hotfix: regression in nix/create-shell.nix

commit 1bfa43d
Author: Mohamed Gaber <[email protected]>
Date:   Mon Oct 21 21:05:05 2024 +0300

    Temporarily revert Colab's OpenLane version until it's fixed

Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
Merge branch 'dev' into pnr-corners
a42904a
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kareefardi commented Nov 25, 2024 •
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Blocked on: The-OpenROAD-Project/OpenROAD#6175 and The-OpenROAD-Project/OpenROAD-flow-scripts#2593

@kareefardi
Merge remote-tracking branch 'origin/dev' into pnr-corners
f4bad2f
@kareefardi
remove -corners in set_wire_rc
87c197a 
update sky130 via rc values

Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
try multiple PNR_CORNERS
f4cacb4 
Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
enable sky130 multiple PNR_CORNERS
d4ca1ab 
Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
restore defaults
fc9903d 
Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
Merge remote-tracking branch 'origin/dev' into pnr-corners
0af48c2 
Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
Merge remote-tracking branch 'origin/dev' into pnr-corners
1084a7a 
Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
Merge remote-tracking branch 'origin/dev' into pnr-corners
50ce550
@kareefardi
rename VIAS_RC to VIAS_R
8b23793 
update documentation to add units of LAYERS_RC and VIAS_R
remove default value for PNR_CORNERS

Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
add license information
686dc0b 
Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
update changelog
fd9cb95 
Signed-off-by: Kareem Farid <[email protected]>
@kareefardi kareefardi marked this pull request as ready for review January 19, 2025 14:34
@kareefardi kareefardi changed the title feat!: Read multi corner libs during PNR steps feat!: Multiple PNR corners and custom RC values Jan 19, 2025
kareefardi and others added 4 commits January 21, 2025 11:31
@kareefardi
fix using old variable
e37a564 
small logging tweaks

Signed-off-by: Kareem Farid <[email protected]>
@kareefardi
update changelog
5f01484 
Signed-off-by: Kareem Farid <[email protected]>
@donn
Merge branch 'dev' into pnr-corners
07f2c92
@kareefardi
rewrite set_rc
c5529e0 
Signed-off-by: Kareem Farid <[email protected]>
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3 participants
@kareefardi @openlane-bot @donn