mailing list of musl libc
 help / color / mirror / code / Atom feed
From: Szabolcs Nagy <nsz@port70.net>
To: musl@lists.openwall.com
Cc: Rich Felker <dalias@libc.org>
Subject: Re: [PATCH] configure: add gcc flags for better link-time optimization
Date: Sat, 24 Oct 2015 14:43:12 +0200	[thread overview]
Message-ID: <20151024124312.GN10551@port70.net> (raw)
In-Reply-To: <CAK1hOcPk8G82=oy4KxkThZzVuXgbNWyvZugw=6ac49KnSTaxkQ@mail.gmail.com>

* Denys Vlasenko <vda.linux@googlemail.com> [2015-10-24 00:00:56 +0200]:
> What's importand is how many pages are dirtied.
> Here's a test with Aboriginal's x86_64 static busybox:
> 
...
> 
> No. Only two pages are mapped, not three.
> 
> This is pretty impressive. However, this is a small busybox config:
> only 31 applet.
> 
> I have a complete (~320 applets) 32-bit static busybox config built
> against uclibc, and it has only 2 pages .data+.bss
> 
> Will test & see how close to that can musl get.
> 

http://www.etalabs.net/compare_libcs.html

hm this says min dirty is 3pages on uclibc with static linking.

in case you repeat the experiments with glibc
a 'dirty pages with static busybox' entry would be
useful on that comparision page.

> I'll continue sending patches which allow to carry over some
> data size reductions from uclibc to musl.

nice


  reply	other threads:[~2015-10-24 12:43 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-23 12:30 Denys Vlasenko
2015-10-23 13:12 ` Szabolcs Nagy
2015-10-23 14:41   ` Denys Vlasenko
2015-10-23 14:48     ` Rich Felker
2015-10-23 22:00       ` Denys Vlasenko
2015-10-24 12:43         ` Szabolcs Nagy [this message]
2015-10-24 19:20           ` Rich Felker
2015-10-27  1:21   ` Rich Felker
2015-10-27 19:09     ` Denys Vlasenko
2015-10-27 21:01       ` Rich Felker
2015-10-28  9:53         ` Denys Vlasenko
2015-10-28 10:05           ` Denys Vlasenko
2015-11-01 19:56 ` Rich Felker
2015-11-02 22:36   ` Rich Felker
2015-11-03  0:01     ` Rich Felker
2015-11-05  2:58       ` Rich Felker

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=20151024124312.GN10551@port70.net \
    --to=nsz@port70.net \
    --cc=dalias@libc.org \
    --cc=musl@lists.openwall.com \
    /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 public inbox

	https://git.vuxu.org/mirror/musl/

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).