[libre-riscv-dev] [Bug 178] first coriolis2 tutorial, workflow and "test project" page

[bugzilla-daemon at libre-riscv.org]

http://bugs.libre-riscv.org/show_bug.cgi?id=178

--- Comment #154 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jean-Paul.Chaput from comment #153)
> (In reply to Luke Kenneth Casson Leighton from comment #150)
> 
> On my little Dell XPS 13 9370, it takes 3 minutes (and 6 seconds, ok)
> for the whole P&R. I commited changes so it successfully complete.
> 
> To use the nsxlib standard cell libraries you must use the nsxlib
> "DESIGN_KIT" in the Makefile. It needs 15.4% of free space, with
> the "bloat profile" nsxlib (see coriolis2/settings.py).
> The size seems twice bigger (in lambda) because the lambda in
> sxlib is half the one of sxlib (for better technology fitting).

thank you for fixing this.  it will make an interesting experiment,
at least.  i want to try breaking it down in a more advanced version
of alu16, later.

> I also did make a print of it, but it is more than 1Mb so I will
> directly email it to you.

ok.

> The completion rates must be 100% and you must have "+0" and no unplaced
> segments
> list afterwards.

ok - is that reported as a "success/fail" return code from the python
functions? i have seen a number of places where routing doesn't complete and
there is no warnings.

if so, then when the screen is covered in debug logs, from python we can
still catch important errors.

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