From: Rich Felker <dalias@aerifal.cx>
To: musl@lists.openwall.com
Subject: Re: musl for ARM
Date: Tue, 2 Oct 2012 13:46:11 -0400 [thread overview]
Message-ID: <20121002174611.GX254@brightrain.aerifal.cx> (raw)
In-Reply-To: <20121002163932.GB24157@port70.net>
On Tue, Oct 02, 2012 at 06:39:32PM +0200, Szabolcs Nagy wrote:
> * Rich Felker <dalias@aerifal.cx> [2012-10-02 09:48:43 -0400]:
> > One area you can get vastly better performance with musl is
> > application startup overhead. Especially with static linking, but even
> > with dynamic linking if your only .so is libc, the startup time is
> > 2-5x faster than glibc, which really makes a difference to the runtime
> > of shell scripts (like configure) that invoke tons of external
> > programs.
> >
>
> i don't see this mentioned on the libc comparision table
>
> is this the self-exec benchmark?
Yes. That definitely could be better-documented. self-exec is the
best/only way I've found to measure the actual startup overhead, as
opposed to just aggregate time to run a simple program.
> linux/types.h only typedefs fd_set ifdef __KERNEL__
> so userspace code shouldnt see fd_set at all,
> only __kernel_fd_set
>
> i think busybox is doing something wrong there
Yes, something is amiss...
Rich
prev parent reply other threads:[~2012-10-02 17:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-02 7:27 Brian Wang
2012-10-02 10:55 ` John Spencer
2012-10-02 16:05 ` Brian Wang
2012-10-02 13:48 ` Rich Felker
2012-10-02 16:18 ` Brian Wang
2012-10-02 17:45 ` Rich Felker
2012-10-02 16:39 ` Szabolcs Nagy
2012-10-02 17:46 ` Rich Felker [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=20121002174611.GX254@brightrain.aerifal.cx \
--to=dalias@aerifal.cx \
--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).