unofficial mirror of emacs-devel@gnu.org 
 help / color / mirror / code / Atom feed
From: Eli Zaretskii <eliz@gnu.org>
To: Ihor Radchenko <yantar92@posteo.net>
Cc: spacibba@aol.com, arne_bab@web.de, emacs-devel@gnu.org
Subject: Re: Indentation and gc
Date: Sat, 11 Mar 2023 15:46:30 +0200	[thread overview]
Message-ID: <83bkkzwgcp.fsf@gnu.org> (raw)
In-Reply-To: <875yb7wgpd.fsf@localhost> (message from Ihor Radchenko on Sat, 11 Mar 2023 13:38:54 +0000)

> From: Ihor Radchenko <yantar92@posteo.net>
> Cc: spacibba@aol.com, arne_bab@web.de, emacs-devel@gnu.org
> Date: Sat, 11 Mar 2023 13:38:54 +0000
> 
> What about expanding the relevant paragraph in the manual with examples
> when increasing the threshold too much is dangerous?
> 
>      The initial threshold value is ‘GC_DEFAULT_THRESHOLD’, defined in
>      ‘alloc.c’.  Since it’s defined in ‘word_size’ units, the value is
>      400,000 for the default 32-bit configuration and 800,000 for the
>      64-bit one.  If you specify a larger value, garbage collection will
>      happen less often.  This reduces the amount of time spent garbage
>      collecting, but increases total memory use.  You may want to do
>      this when running a program that creates lots of Lisp data.
>      However, we recommend against increasing the threshold for
>      prolonged periods of time, and advise that you never set it higher
>      than needed for the program to run in reasonable time.  Using
>      thresholds higher than necessary could potentially cause
>      system-wide memory pressure, and should therefore be avoided.

What is there to expand?  It already says all that people need to
understand before they play dangerous games with the threshold.



  reply	other threads:[~2023-03-11 13:46 UTC|newest]

Thread overview: 99+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20230310110747.4hytasakomvdyf7i.ref@Ergus>
2023-03-10 11:07 ` Indentation and gc Ergus
2023-03-10 14:36   ` Dr. Arne Babenhauserheide
2023-03-10 14:54     ` Eli Zaretskii
2023-03-10 19:23       ` Dr. Arne Babenhauserheide
2023-03-11  6:38         ` Eli Zaretskii
2023-03-11  6:55           ` Dr. Arne Babenhauserheide
2023-03-11  7:56             ` Eli Zaretskii
2023-03-11 12:34               ` Dr. Arne Babenhauserheide
2023-03-11 13:08                 ` Eli Zaretskii
2023-03-11 13:31                   ` Ihor Radchenko
2023-03-11 13:44                     ` Eli Zaretskii
2023-03-11 13:53                       ` Ihor Radchenko
2023-03-11 14:09                         ` Eli Zaretskii
2023-03-12 14:20                           ` Ihor Radchenko
2023-03-12 14:40                             ` Eli Zaretskii
2023-03-12 15:04                               ` Ihor Radchenko
2023-03-12 15:26                                 ` Eli Zaretskii
2023-03-13 15:09                                   ` Ihor Radchenko
2023-03-13 15:37                                     ` Eli Zaretskii
2023-03-13 15:45                                       ` Ihor Radchenko
2023-03-13 16:58                                         ` Eli Zaretskii
2023-03-13 18:04                                           ` Ihor Radchenko
2023-03-14 12:19                                             ` Eli Zaretskii
2023-03-15 10:28                                               ` Ihor Radchenko
2023-03-15 12:54                                                 ` Eli Zaretskii
2023-03-15 12:59                                                   ` Ihor Radchenko
2023-03-15 14:20                                                     ` Eli Zaretskii
2023-03-16 10:27                                                       ` Ihor Radchenko
2023-04-06  9:13                                                         ` Ihor Radchenko
2023-04-08  8:04                                                           ` Eli Zaretskii
2023-04-08  8:15                                                             ` Ihor Radchenko
2023-04-08 10:03                                                               ` Eli Zaretskii
2023-04-14 17:07                                                                 ` Ihor Radchenko
2023-04-14 17:56                                                                   ` Eli Zaretskii
2023-03-13 18:14                                         ` Gregor Zattler
2023-03-14 12:30                                           ` Eli Zaretskii
2023-03-14 15:19                                             ` Gregor Zattler
2023-03-11 16:19                     ` Dr. Arne Babenhauserheide
2023-03-12 13:27                       ` Ihor Radchenko
2023-03-12 14:10                         ` Eli Zaretskii
2023-03-12 14:50                           ` Ihor Radchenko
2023-03-12 15:13                             ` Eli Zaretskii
2023-03-12 17:15                               ` Gregor Zattler
2023-03-12 20:07                                 ` Eli Zaretskii
2023-03-13 15:01                               ` Ihor Radchenko
2023-03-13 15:33                                 ` Eli Zaretskii
2023-03-13 15:39                                   ` Ihor Radchenko
2023-03-13 15:39                                     ` Eli Zaretskii
2023-03-13 16:04                                       ` Ihor Radchenko
2023-03-13 16:52                                         ` Eli Zaretskii
2023-03-14 12:47                                           ` Ihor Radchenko
2023-03-14 13:09                                             ` Eli Zaretskii
2023-03-15 10:29                                               ` Ihor Radchenko
2023-03-13 15:41                                 ` Eli Zaretskii
2023-03-14 13:01                                   ` Ihor Radchenko
2023-03-11 10:54       ` Ihor Radchenko
2023-03-11 11:17         ` Ergus
2023-03-11 11:23           ` Ihor Radchenko
2023-03-11 12:31           ` Eli Zaretskii
2023-03-11 12:39             ` Ihor Radchenko
2023-03-11 12:40               ` Eli Zaretskii
2023-03-11 12:54                 ` Ihor Radchenko
2023-03-11 13:01                   ` Dr. Arne Babenhauserheide
2023-03-11 13:14                   ` Eli Zaretskii
2023-03-11 13:38                     ` Ihor Radchenko
2023-03-11 13:46                       ` Eli Zaretskii [this message]
2023-03-11 13:54                         ` Ihor Radchenko
2023-03-11 14:11                           ` Eli Zaretskii
2023-03-11 14:18                             ` Ihor Radchenko
2023-03-11 14:20                               ` Eli Zaretskii
2023-03-11 14:31                                 ` Ihor Radchenko
2023-03-11 15:32                                   ` Eli Zaretskii
2023-03-11 15:52                                     ` Lynn Winebarger
2023-03-11 16:24                                       ` Eli Zaretskii
2023-03-11 17:10                                     ` Gregor Zattler
2023-03-11 17:25                                       ` Eli Zaretskii
2023-03-11 18:35                                         ` Gregor Zattler
2023-03-11 18:49                                           ` Eli Zaretskii
2023-03-13 12:45                                     ` Ihor Radchenko
2023-03-13 12:51                                       ` Eli Zaretskii
2023-06-14 14:16                                         ` Ihor Radchenko
2023-06-14 15:36                                           ` Eli Zaretskii
2023-06-14 15:58                                             ` Ihor Radchenko
2023-06-14 16:07                                               ` Eli Zaretskii
2023-06-16 10:00                                                 ` Ihor Radchenko
2023-06-16 10:33                                                   ` Eli Zaretskii
2023-06-16 11:03                                                     ` Ihor Radchenko
2023-06-16 11:34                                                       ` Eli Zaretskii
2023-06-21 10:37                                                         ` Ihor Radchenko
2023-06-21 11:11                                                           ` Eli Zaretskii
2023-03-11 13:00                 ` Po Lu
2023-03-11 12:37         ` Eli Zaretskii
2023-03-11 13:10           ` Ihor Radchenko
2023-03-11 13:38             ` Eli Zaretskii
2023-03-10 14:52   ` Eli Zaretskii
2023-03-10 21:30     ` Ergus
2023-03-11  6:52       ` Eli Zaretskii
2023-03-21  7:11   ` Jean Louis
2023-03-21  7:27     ` Emanuel Berg

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=83bkkzwgcp.fsf@gnu.org \
    --to=eliz@gnu.org \
    --cc=arne_bab@web.de \
    --cc=emacs-devel@gnu.org \
    --cc=spacibba@aol.com \
    --cc=yantar92@posteo.net \
    /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.savannah.gnu.org/cgit/emacs.git

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).