From: "Ludovic Courtès" <ludo@gnu.org>
To: Maxime Devos <maximedevos@telenet.be>
Cc: 49421@debbugs.gnu.org
Subject: [bug#49421] [PATCH] profiles: Optimise 'fonts-dir-file'.
Date: Wed, 21 Jul 2021 16:48:43 +0200 [thread overview]
Message-ID: <875yx3hgdw.fsf_-_@gnu.org> (raw)
In-Reply-To: <5af3b4c9975873800e371da77c6ba929f7bd90d7.camel@telenet.be> (Maxime Devos's message of "Sat, 17 Jul 2021 16:42:51 +0200")
Hello,
Maxime Devos <maximedevos@telenet.be> skribis:
> Ludovic Courtès schreef op vr 16-07-2021 om 18:05 [+0200]:
>> Ouch, that’s way more than what I’m observing. :-) Do you have a
>> manifest or package list to reproduce that? Were those timings on a
>> spinning disk?
>
> It is on a spinning disk. I attached the output of "guix package --export-manifest".
I isolated ‘fonts-dir.drv’ for that profile and here’s what I get with a
~5yo SSD:
--8<---------------cut here---------------start------------->8---
$ time guix build /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv --check
The following profile hook will be built:
/gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv
building fonts directory...
successfully built /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv
successfully built /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv
/gnu/store/fgjmwpgrmp9m83qxvqrs1ghwasjrjxpc-fonts-dir
real 0m24.651s
user 0m2.120s
sys 0m0.164s
$ time guix build /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv --check
The following profile hook will be built:
/gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv
building fonts directory...
successfully built /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv
successfully built /gnu/store/nmr6clkx4n554a0gynr6sb4a43dj6mfa-fonts-dir.drv
/gnu/store/fgjmwpgrmp9m83qxvqrs1ghwasjrjxpc-fonts-dir
real 0m12.025s
user 0m1.924s
sys 0m0.036s
--8<---------------cut here---------------end--------------->8---
That’s fairly significant (it baffles me that it’s still 20x less than
what you see with a spinning disk!).
There are only 327 fonts in there:
--8<---------------cut here---------------start------------->8---
$ wc -l /gnu/store/fgjmwpgrmp9m83qxvqrs1ghwasjrjxpc-fonts-dir/share/fonts/truetype/fonts.*
328 /gnu/store/fgjmwpgrmp9m83qxvqrs1ghwasjrjxpc-fonts-dir/share/fonts/truetype/fonts.dir
328 /gnu/store/fgjmwpgrmp9m83qxvqrs1ghwasjrjxpc-fonts-dir/share/fonts/truetype/fonts.scale
656 totalo
--8<---------------cut here---------------end--------------->8---
Thanks,
Ludo’.
prev parent reply other threads:[~2021-07-21 14:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-05 19:06 [bug#49421] [PATCH] profiles: Optimise 'fonts-dir-file' Maxime Devos
2021-07-07 16:52 ` Ludovic Courtès
2021-07-15 16:28 ` Maxime Devos
2021-07-15 18:48 ` Maxime Devos
2021-07-21 14:58 ` Ludovic Courtès
2021-07-16 16:05 ` Ludovic Courtès
2021-07-17 14:42 ` Maxime Devos
2021-07-21 14:48 ` Ludovic Courtès [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=875yx3hgdw.fsf_-_@gnu.org \
--to=ludo@gnu.org \
--cc=49421@debbugs.gnu.org \
--cc=maximedevos@telenet.be \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/guix.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.