Re: Bootstrap Compilation Speed

[phillip . lord]

On 2022-01-15 09:34, Eli Zaretskii wrote:
> > Date: Fri, 14 Jan 2022 11:36:26 +0000
> > From: phillip.lord@russet.org.uk
> >
> > Has anyone else seen a regression in bootstrap compilation speed?
> >
> > I am currently building Emacs-28 trunk. I am still on the
> > bootstrap-emacs phase after half an hour or so and am getting no more
> > than 2 or 3 ELC+ELN steps complete per minute, with a parallel build.
>
> With "make -j4" recompiling natively all the preloaded files and their
> dependencies on the emacs-28 branch, I see this:
>
>   . compiling the 16 COMPILE_FIRST files takes 22 min, with comp.el
>     being the worst offender: about 20 minutes
>   . compiling all the rest of the preloaded files takes an additional
>     25 minutes
>
> If someone can compare this with past versions, maybe we could see if
> the slowdown is real.
>
> Thanks.

Okay, that's similar to what I am seeing.

I can probably do a little testing over the weekend (while my computer 
is otherwise inactive) to see if it has slowed down.

Phil