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Random seed#4321

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maliberty wants to merge 2 commits into
The-OpenROAD-Project:masterfrom
The-OpenROAD-Project-staging:random-seed
Open

Random seed#4321
maliberty wants to merge 2 commits into
The-OpenROAD-Project:masterfrom
The-OpenROAD-Project-staging:random-seed

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@maliberty

@maliberty maliberty commented Jul 1, 2026

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Pass -random_seed to gpl in both skip_io (3_1) and regular (3_3).

Signed-off-by: Matt Liberty <mliberty@precisioninno.com>
@maliberty maliberty self-assigned this Jul 1, 2026
Signed-off-by: Matt Liberty <mliberty@precisioninno.com>

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Code Review

This pull request introduces a new configuration variable, GPL_RANDOM_SEED, to allow specifying a random seed for global placement. This includes updates to the global placement Tcl scripts, design configurations, and the variables schema, alongside a submodule update for tools/OpenROAD. The review feedback points out a typo in the description of the new variable in variables.yaml and suggests adding a default value of 1 to maintain consistency with the Tcl scripts.

Comment thread flow/scripts/variables.yaml
@maliberty maliberty added the UpdateRules Starts GHA to update rules label Jul 1, 2026
@openroad-ci openroad-ci removed the UpdateRules Starts GHA to update rules label Jul 1, 2026
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2 participants