[Bug bootstrap/84402] [meta] GCC build system: parallelism bottleneck

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84402

--- Comment #11 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #10)
> Created attachment 43432 [details]
> Parallel build of make all-host on 8 core Haswell machine

This was generated with a slightly modified make (being able to run fully in
parallel):
https://github.com/marxin/make/tree/timestamp-v2

And output is then parsed and 'stacked' graph is generated:
https://github.com/marxin/script-misc/blob/master/parse-make-log-parallel.py