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Re: Compilation speed

From: Paul Eggert
Subject: Re: Compilation speed
Date: Thu, 6 Aug 2020 12:07:14 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

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

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.

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