[Libre-soc-bugs] [Bug 199] Layout using coriolis2 main core, 180nm

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Tue Jun 30 10:09:54 BST 2020


--- Comment #8 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jean-Paul.Chaput from comment #7)
> Created attachment 71 [details]
> Patch to create experiments9

got it.

> As the port 922 is filtered by my ISP in vacation, I directly provide the
> commit as a patch here.

applied and pushed, thank you jean-paul

> This is very preliminary work. The router do not complete yet, it reaches
> only 99.9%. The coriolis2/settings.py contains some parameters variations
> to tweak the router and compare the different outcomes. I will use it to
> find geomtric cases where the router takes bad decisions and correct them.

i will run it later and see how it looks.  i am fascinated to see how far
it gets.

> A note about nMigen and a potential annoying bug at installation. nMigen
> is listed as a dependency so setup tools will try to install it.
> But if it is not installed *prior* to the Libre-SOC repositories, the
> m-lab version will be pulled from the Python archives.

yes.  this is normal because of the reliance on pip3 (via setuptools)
one solution: we remove all dependencies and expect people to install them 
manually (by way of a script / Makefile).

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