From: Eli Zaretskii <eliz@gnu.org>
To: martin rudalics <rudalics@gmx.at>
Cc: larsi@gnus.org, pmlists@free.fr, 18522@debbugs.gnu.org
Subject: bug#18522: 24.4.50; mapcar is very slow
Date: Wed, 24 Feb 2016 19:42:41 +0200 [thread overview]
Message-ID: <83twkygg32.fsf@gnu.org> (raw)
In-Reply-To: <56CD82C0.9080302@gmx.at> (message from martin rudalics on Wed, 24 Feb 2016 11:15:28 +0100)
> Date: Wed, 24 Feb 2016 11:15:28 +0100
> From: martin rudalics <rudalics@gmx.at>
> CC: larsi@gnus.org, 18522@debbugs.gnu.org
>
> > You interpret that comment too literally: it means killed buffers that
> > were not yet GC'ed. You will see in alloc.c that sweep_buffers
> > removes killed buffers from all_buffers and recycles their memory.
>
> Doesn't that remove unmarked buffers only?
Of course. But why would killed buffers be marked?
> >> That means, the chain gets bigger and bigger, whenever I read an article
> >> or I reply or I send a new message or whatever.
> >
> > If Emacs did that, it would have been a very serious bug and a huge
> > memory sink.
>
> One potential hole are window configurations. Each window maintains two
> lists for navigating the buffers previously shown in that window. For
> live windows, these lists are hopefully updated when killing a buffer.
> But if you store such a window in a window configuration and forget
> about that configuration, the buffers from those lists are not reclaimed
> IIUC.
What do you mean by "forget"? Forgetting a Lisp object means it is
not referenced by any other object, so it will be GCed, together with
the buffers it references. Right?
> BTW, I have no idea why FOR_EACH_BUFFER should be used outside alloc.c.
What would you use instead?
next prev parent reply other threads:[~2016-02-24 17:42 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-22 10:37 bug#18522: 24.4.50; mapcar is very slow Peter Münster
2014-09-22 10:43 ` bug#18522: further information Peter Münster
2014-09-22 12:49 ` bug#18522: 24.4.50; mapcar is very slow Stefan Monnier
2014-09-22 13:47 ` Peter Münster
2014-09-25 21:36 ` Peter Münster
2014-09-26 6:57 ` Eli Zaretskii
2014-09-26 7:15 ` Peter Münster
2014-09-26 7:36 ` Eli Zaretskii
2014-10-01 19:55 ` Peter Münster
2014-10-01 19:58 ` Glenn Morris
2014-10-01 20:25 ` Peter Münster
2015-02-13 8:26 ` Lars Ingebrigtsen
2015-02-13 14:39 ` Peter Münster
2015-02-14 4:19 ` Lars Ingebrigtsen
2015-03-02 14:34 ` Peter Münster
2015-07-20 12:52 ` Peter Münster
2016-02-07 6:31 ` Lars Ingebrigtsen
2016-02-17 16:00 ` Peter Münster
2016-02-19 5:15 ` Lars Ingebrigtsen
2016-02-19 8:27 ` Peder O. Klingenberg
2016-02-19 8:38 ` Eli Zaretskii
2016-02-19 10:06 ` Nicolas Richard
2016-02-19 10:12 ` Peder O. Klingenberg
2016-02-19 22:46 ` Lars Ingebrigtsen
2016-02-20 8:14 ` Eli Zaretskii
2016-02-20 8:33 ` Peter Münster
2016-02-20 9:51 ` Eli Zaretskii
2016-02-21 11:00 ` Peter Münster
2016-02-21 11:08 ` Andreas Schwab
2016-02-21 11:09 ` martin rudalics
2016-02-21 11:30 ` Peter Münster
2016-02-21 13:41 ` Michael Heerdegen
2016-02-21 14:02 ` Peter Münster
2016-02-21 14:36 ` Peter Münster
2016-02-21 14:54 ` Peter Münster
2016-02-21 16:14 ` Eli Zaretskii
2016-02-21 18:03 ` Peter Münster
2016-02-21 20:45 ` Eli Zaretskii
2016-02-22 7:37 ` Peter Münster
2016-02-22 16:22 ` Eli Zaretskii
2016-02-22 20:41 ` Peter Münster
2016-02-22 20:56 ` Eli Zaretskii
2016-02-23 11:19 ` Peter Münster
2016-02-23 16:23 ` Eli Zaretskii
2016-02-23 16:35 ` Peter Münster
2016-02-23 16:48 ` Andreas Schwab
2016-02-24 10:22 ` Peter Münster
2016-02-23 17:47 ` Eli Zaretskii
2016-02-24 10:25 ` Peter Münster
2016-02-24 17:39 ` Eli Zaretskii
2016-02-24 18:00 ` Peter Münster
2016-02-24 18:23 ` Eli Zaretskii
2016-02-24 20:03 ` Peter Münster
2016-02-24 20:26 ` Eli Zaretskii
2016-02-25 8:06 ` Peter Münster
2016-02-24 23:53 ` Lars Ingebrigtsen
2016-02-25 8:08 ` Peter Münster
2016-02-25 15:59 ` Eli Zaretskii
2016-02-25 18:10 ` Peter Münster
2016-02-25 18:25 ` Eli Zaretskii
2016-02-26 11:05 ` Peter Münster
2016-02-26 11:13 ` Eli Zaretskii
2016-02-26 11:35 ` Peter Münster
2016-02-28 4:10 ` Lars Ingebrigtsen
2016-02-28 8:07 ` Peter Münster
2016-02-28 15:48 ` Eli Zaretskii
2016-02-29 2:21 ` Lars Ingebrigtsen
2016-02-29 10:33 ` bug#18522: killed buffers not GCed (was: bug#18522: 24.4.50; mapcar is very slow) Peter Münster
2016-02-28 5:12 ` bug#18522: 24.4.50; mapcar is very slow Lars Ingebrigtsen
2016-02-26 3:18 ` Lars Ingebrigtsen
2016-02-26 3:13 ` Lars Ingebrigtsen
2016-02-26 8:48 ` Eli Zaretskii
2016-02-28 4:02 ` Lars Ingebrigtsen
2016-02-26 9:28 ` Eli Zaretskii
2016-02-28 4:04 ` Lars Ingebrigtsen
2017-01-25 20:09 ` Lars Ingebrigtsen
2017-01-25 20:39 ` Peter Münster
2016-02-24 10:15 ` martin rudalics
2016-02-24 17:42 ` Eli Zaretskii [this message]
2016-02-24 18:16 ` martin rudalics
2016-02-24 18:49 ` martin rudalics
2016-02-24 20:27 ` Eli Zaretskii
2016-02-25 8:07 ` Peter Münster
2016-02-25 10:06 ` martin rudalics
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=83twkygg32.fsf@gnu.org \
--to=eliz@gnu.org \
--cc=18522@debbugs.gnu.org \
--cc=larsi@gnus.org \
--cc=pmlists@free.fr \
--cc=rudalics@gmx.at \
/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/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.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.