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From: Konstantin Kharlamov <hi-angel@yandex.ru>
To: Eli Zaretskii <eliz@gnu.org>
Cc: monnier@iro.umontreal.ca, 45200@debbugs.gnu.org
Subject: bug#45200: [PATCH] Force Glibc to free the memory freed
Date: Tue, 26 Jan 2021 01:28:01 +0300	[thread overview]
Message-ID: <b32a51cca4098c43e01df2e7dc12e7ff0aebbf16.camel@yandex.ru> (raw)
In-Reply-To: <xna6swk6fc.fsf@greed.delorie.com>

On Mon, 2021-01-25 at 17:17 -0500, DJ Delorie wrote:
> Eli Zaretskii <eliz@gnu.org> writes:
> > Thanks, but is it really a good idea to call malloc_trim each time we
> > free some chunk of memory?
> 
> malloc_trim() is very expensive relative to free(), partly because of
> what it needs to do, and partly because it flushes the fastbins cache.
> If you call it every, say, 1000 iterations of free, that might suffice.
> Or perhaps after each GC run.

(un-ccing Glibc maintainers as this question is Emacs-specific)

After a GC run, would that be at the end of `garbage_collect` function as Stefan
mentioned?






  reply	other threads:[~2021-01-25 22:28 UTC|newest]

Thread overview: 88+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-12 18:43 bug#45200: Memory leaks: (garbage-collect) fails to reclaim memory Konstantin Kharlamov
2020-12-12 20:15 ` Eli Zaretskii
2020-12-12 22:44   ` Konstantin Kharlamov
2020-12-12 22:59     ` Lars Ingebrigtsen
2020-12-13  6:08       ` Eli Zaretskii
2020-12-13  5:53     ` Eli Zaretskii
2020-12-13 12:07       ` Konstantin Kharlamov
2021-01-24 15:24 ` bug#45200: [PATCH] Force Glibc to free the memory freed Konstantin Kharlamov
2021-01-24 15:40   ` Eli Zaretskii
2021-01-25 22:17     ` DJ Delorie
2021-01-25 22:28       ` Konstantin Kharlamov [this message]
2021-01-26 14:55         ` Eli Zaretskii
2021-01-26 15:02           ` Konstantin Kharlamov
2021-01-26 15:30           ` Stefan Monnier
2021-02-02 21:17             ` Konstantin Kharlamov
2021-02-03  4:45               ` Stefan Monnier
2021-02-03  4:50                 ` Stefan Monnier
2021-02-03  6:04                   ` Konstantin Kharlamov
2021-02-03  7:07                     ` Eli Zaretskii
2021-02-03  7:15                       ` Konstantin Kharlamov
2021-02-03  7:39                     ` martin rudalics
2021-02-03  8:23                       ` Konstantin Kharlamov
2021-02-03  9:35                         ` martin rudalics
2021-02-03  9:49                           ` Konstantin Kharlamov
2021-02-03 10:35                             ` Konstantin Kharlamov
2021-02-03 11:06                             ` martin rudalics
2021-02-03 11:08                               ` Konstantin Kharlamov
2021-02-03 11:16                                 ` Konstantin Kharlamov
2021-02-03 12:56                                 ` martin rudalics
2021-02-03 13:00                                   ` Konstantin Kharlamov
2021-02-03 15:14                                     ` martin rudalics
2021-02-03 15:15                                     ` Stefan Monnier
2021-02-03 15:29                                       ` Konstantin Kharlamov
2021-02-03 16:02                                         ` Stefan Monnier
2021-02-03 16:35                                           ` Konstantin Kharlamov
2021-02-03 16:51                                             ` Stefan Monnier
2021-02-03 19:30                                               ` DJ Delorie
2021-02-03 19:36                                             ` DJ Delorie
2021-02-03 20:28                                               ` Konstantin Kharlamov
2021-02-03 20:51                                                 ` DJ Delorie
2021-05-18 20:12                                           ` Konstantin Kharlamov
2021-05-19  4:11                                             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-05-19  4:26                                               ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-05-19  6:46                                                 ` Konstantin Kharlamov
2021-05-19  9:47                                                   ` Eli Zaretskii
2021-05-19  9:55                                                     ` Konstantin Kharlamov
2021-05-19 10:09                                                       ` Eli Zaretskii
2021-02-03 14:51                             ` Eli Zaretskii
2021-02-03 15:01                               ` Konstantin Kharlamov
2021-02-03 14:44                         ` Eli Zaretskii
2021-02-03 15:12                           ` Andreas Schwab
2021-02-03 19:25                           ` DJ Delorie
2021-02-03 19:49                             ` Eli Zaretskii
2021-02-03 21:00                               ` DJ Delorie
2021-02-03 20:24                             ` Stefan Monnier
2021-02-03 20:42                               ` DJ Delorie
2021-02-03 22:07                                 ` Stefan Monnier
2021-02-03 22:21                                   ` DJ Delorie
2021-02-03 23:32                                     ` Stefan Monnier
2021-02-04  0:31                                       ` DJ Delorie
2021-02-04  3:26                                         ` Stefan Monnier
2021-02-04  3:38                                           ` DJ Delorie
2021-02-04  3:55                                             ` Stefan Monnier
2021-02-04  4:02                                               ` DJ Delorie
2021-02-04  4:19                                                 ` Stefan Monnier
2021-02-04  4:26                                                   ` DJ Delorie
2021-02-04  4:04                                               ` DJ Delorie
2021-02-03 15:15                     ` Stefan Monnier
2021-01-26 14:49       ` Eli Zaretskii
2021-01-26 16:13         ` DJ Delorie
2021-12-04 23:20     ` bug#45200: Memory leaks: (garbage-collect) fails to reclaim memory Lars Ingebrigtsen
2021-12-05  6:23       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-12-05  8:26         ` Eli Zaretskii
2022-05-01  9:43           ` bug#45200: Wishlist: There should be a `malloc-trim' function Lars Ingebrigtsen
2021-12-05 19:59         ` bug#45200: Memory leaks: (garbage-collect) fails to reclaim memory Lars Ingebrigtsen
2021-12-05  7:07       ` Eli Zaretskii
2021-01-24 18:51 ` Stefan Monnier
2021-01-24 19:00   ` Konstantin Kharlamov
2021-01-24 19:06     ` Konstantin Kharlamov
2021-01-24 19:55       ` Eli Zaretskii
2021-01-24 19:12     ` Stefan Monnier
2021-01-24 20:00       ` Konstantin Kharlamov
2021-01-24 20:11         ` Eli Zaretskii
2021-01-24 20:21           ` Konstantin Kharlamov
2021-01-24 21:20             ` Stefan Monnier
2021-01-24 21:26               ` Konstantin Kharlamov
2021-01-24 21:41                 ` Stefan Monnier
2021-01-24 21:55                   ` Konstantin Kharlamov

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