From: Paul Eggert <eggert@cs.ucla.edu>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: emacs-devel@gnu.org
Subject: Re: Compilation speed
Date: Thu, 6 Aug 2020 12:07:14 -0700 [thread overview]
Message-ID: <52a7dda9-7fc5-bc33-d2ea-ad325e2cde96@cs.ucla.edu> (raw)
In-Reply-To: <87bljnby36.fsf@gnus.org>
On 8/6/20 8:20 AM, Lars Ingebrigtsen wrote:
> And then ./configure takes 19 seconds, and that's fully single-threaded,
> I believe? And... I'm guessing there's no way to get that to be
> multi-threaded?
You'd either have to rework Autoconf to make it multiprocess (difficult) or
split configure.ac into pieces and run several './configure' pieces in parallel
(this might be doable but would still be tricky).
> 00:01:17 INFO Scraping files for loaddefs.el...
> [...]
> 00:01:54 INFO Scraping files for loaddefs.el...done
>
> Which is single-threaded and takes a whopping 37 seconds! Could that
> possibly be parallelised in some way? Probably be tricky...
Yes. But this is probably the lowest-hanging fruit.
next prev parent reply other threads:[~2020-08-06 19:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-06 15:20 Compilation speed Lars Ingebrigtsen
2020-08-06 19:07 ` Paul Eggert [this message]
2020-08-19 9:25 ` Mario Lang
2020-08-19 9:43 ` tomas
2020-08-19 12:37 ` Ergus
2020-08-06 22:14 ` Stefan Monnier
2020-08-07 6:55 ` Lars Ingebrigtsen
2020-08-07 16:26 ` Andrea Corallo via Emacs development discussions.
2020-08-10 14:33 ` Arthur Miller
2020-08-12 2:11 ` Paul Eggert
2020-08-12 12:53 ` Arthur Miller
2020-08-12 16:08 ` Stefan Monnier
2020-08-12 16:59 ` Paul Eggert
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