[Libre-soc-bugs] [Bug 526] create dry-run 180nm GDS-II files for IMEC

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=526

--- Comment #85 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
what's this one about, JP?

[ERROR] The density required by the obstacles is above 1
        Python stack trace:
        #0 in                     place() at
.../dist-packages/cumulus/plugins/alpha/block/block.py:494
        #1 in                     doPnR() at
.../dist-packages/cumulus/plugins/alpha/block/block.py:573
        #2 in                     doPnR() at
.../dist-packages/cumulus/plugins/alpha/chip/chip.py:144
        #3 in                scriptMain() at doDesign.py:168


commit 7802ade1ecb4ffcb41fd41c581f71fc7e23aff0a
Author: Luke Kenneth Casson Leighton <lkcl at lkcl.net>
Date:   Wed Dec 2 23:36:41 2020 +0000

    begin random search for appropriate core size.  start at 36000


... never mind: increasing to 40,000 seems to have made the error "go away"

commit 3c534a425d5902f4b3d91697b17dc5191c19629a
Author: Luke Kenneth Casson Leighton <lkcl at lkcl.net>
Date:   Wed Dec 2 23:44:51 2020 +0000

    increase size to 40,000

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