[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 #89 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jean-Paul.Chaput from comment #87)
> (In reply to Luke Kenneth Casson Leighton from comment #85)
> > what's this one about, JP?
> > 
> > [ERROR] The density required by the obstacles is above 1
> >         Python stack trace:
> 
>   At face value, it's real meaning is "there is not enough area in
>   the core to place all the cells" (it's contrived). So increasing
>   the size value is the right move.

loovely

>   Or, more viciously, there is a previous placement that is lurking
>   and has been wrongly taken into account and cause the density
>   calculations to fail.
>     To avoid that, systematically remove any "ap" file before
>   (re)P&R a design.

i usually do an rm *.ap *.vst gratuitously before "make clean"

>   Boarding my Bed now! Finishing my Ted Chiang novel.

:)  reading "Blonde Bombshell" by Tom Holt to my daughter whilst waiting for a
P&R to finish.  hilarious that the names, due to hierarchical OO HDL design,
are exceeding 256 characters in length.

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