From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: Question about memory usage
Date: Tue, 03 Apr 2018 09:13:44 -0400 [thread overview]
Message-ID: <jwv7epo1lkv.fsf-monnier+gmane.emacs.help@gnu.org> (raw)
In-Reply-To: 838ta45upw.fsf@gnu.org
>> >> (while t
>> >> (with-temp-buffer
>> >> (setq buffer-undo-list nil)
>> >> (insert "a")))
>> [...]
>> > To answer your question: yes, I think this is expected, given that you
>> > set buffer-undo-list to nil (what is the purpose of that, btw?). If
>> Hmm... why would setting this var make any significant difference here?
> Because the variable is on/referenced via the stack, I suppose.
I don't follow. At the end of each iteration of the loop, we kill the
temp buffer, so the effect of having set its buffer-undo-list slot or
not should be negligible (or more specifically: this effect should only
exist until the next GC).
Stefan
next prev parent reply other threads:[~2018-04-03 13:13 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-02 11:57 Question about memory usage Michał Kondraciuk
2018-04-03 2:16 ` Óscar Fuentes
2018-04-03 6:28 ` Eli Zaretskii
2018-04-03 12:28 ` Stefan Monnier
2018-04-03 12:40 ` Eli Zaretskii
2018-04-03 12:51 ` Eli Zaretskii
2018-04-03 13:13 ` Stefan Monnier [this message]
2018-04-03 14:03 ` Eli Zaretskii
2018-04-03 14:27 ` Stefan Monnier
2018-04-03 15:16 ` Eli Zaretskii
2018-04-03 21:14 ` Stefan Monnier
2018-04-03 17:57 ` Michał Kondraciuk
2018-04-03 18:22 ` Eli Zaretskii
2018-04-03 19:16 ` Michał Kondraciuk
2018-04-04 6:55 ` Eli Zaretskii
2018-04-05 18:06 ` Michał Kondraciuk
2018-04-05 18:40 ` Eli Zaretskii
2018-04-05 18:54 ` Stefan Monnier
2018-04-07 13:15 ` Michał Kondraciuk
2018-04-07 13:26 ` Eli Zaretskii
2018-04-07 15:22 ` Stefan Monnier
2018-04-07 18:39 ` Michał Kondraciuk
2018-04-03 21:18 ` Stefan Monnier
2018-04-04 6:08 ` Eli Zaretskii
2018-04-04 21:45 ` Stefan Monnier
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
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=jwv7epo1lkv.fsf-monnier+gmane.emacs.help@gnu.org \
--to=monnier@iro.umontreal.ca \
--cc=help-gnu-emacs@gnu.org \
/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.
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 read-only IMAP folder(s) and NNTP newsgroup(s).