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Upgrade to rtl_macro_placer #2158

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maliberty opened this issue Oct 2, 2024 · 3 comments
Open

Upgrade to rtl_macro_placer #2158

maliberty opened this issue Oct 2, 2024 · 3 comments
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OpenLane 2 Scheduled for next gen OpenLane

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@maliberty
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Description

  • OL is still using the old macro placer (macro_placement) rather than the new one (rtl_macro_placer). The old one should be considered deprecated and will eventually be removed from OR.

Proposal

Switch to rtl_macro_placer. https://github.com/The-OpenROAD-Project/OpenROAD-flow-scripts/blob/master/flow/scripts/macro_place_util.tcl shows its usage in ORFS.
@donn
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donn commented Oct 2, 2024

Acknowledged- will decide on the proper course of action since OpenLane 1's whole raison d'être now is that we don't change things too much

We'll definitely do that for 2 though

@maliberty
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Does that mean you don't update OR in OL1? If so then there is no constraint from it.

@donn
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donn commented Oct 2, 2024

Yeah, we don't unless we have a very good reason

@donn donn added the OpenLane 2 Scheduled for next gen OpenLane label Oct 4, 2024
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@maliberty @donn