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From: Eli Zaretskii <eliz@gnu.org>
To: Carsten Mattner <carstenmattner@googlemail.com>
Cc: emacs-devel@gnu.org
Subject: Re: Emacs bzr memory footprint
Date: Thu, 13 Oct 2011 12:01:41 +0200	[thread overview]
Message-ID: <83fwix2osa.fsf@gnu.org> (raw)
In-Reply-To: <CACY+HvqV-JF4i23dPV18YhPyEFuDscKCu1cMS1pDnmCBdse7Qg@mail.gmail.com>

> Date: Thu, 13 Oct 2011 11:24:25 +0200
> From: Carsten Mattner <carstenmattner@googlemail.com>
> 
> I've been wondering whether it's normal for Emacs to start with
> 10 or 20 megs and stay at ~100 megs after opening and closing
> multiple buffers.

It depends on what you mean by "opening and closing".  My Emacs
session is running for 19 hours and its current footprint is 187MB,
but it has 273 buffers of various sizes.  This is on a 32-bit machine.

So please show a minimal sequence of commands that bring you from 20MB
up to 100MB.  Please also tell what platform is this on (64-bit hosts
are expected to use more memory than 32-bit hosts).

> Does Emacs have some kind of memory reclaim or gc mechanism?

Of course, Emacs includes garbage collector.  It runs automatically,
but you can also invoke it manually with "M-x garbage-collect RET".

> Speaking about memory, I've always wondered why mmap is listed
> as not enabled by configure.

I think mmap is always used if available and workable.  The configure
script includes a test for it, it announces itself as "checking for
working mmap".  Does this test fail for you?  If so, look in
config.log for the reasons.



  reply	other threads:[~2011-10-13 10:01 UTC|newest]

Thread overview: 113+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-13  9:24 Emacs bzr memory footprint Carsten Mattner
2011-10-13 10:01 ` Eli Zaretskii [this message]
2011-10-13 10:33   ` Andreas Schwab
2011-10-13 10:46     ` Eli Zaretskii
2011-10-13 13:08       ` Carsten Mattner
2011-10-13 13:38         ` Eli Zaretskii
2011-10-13 15:22           ` Miles Bader
2011-10-13 15:30             ` Eli Zaretskii
2011-10-13 16:16               ` Stefan Monnier
2011-10-13 17:33                 ` Dmitry Antipov
2011-10-13 18:42                   ` Eli Zaretskii
2011-10-14  3:09                     ` Dmitry Antipov
2011-10-13 16:46             ` Stephen J. Turnbull
2011-10-13 16:59               ` Carsten Mattner
2011-10-13 13:13   ` Carsten Mattner
2011-10-13 13:43     ` Eli Zaretskii
2011-10-13 14:10       ` Dave Abrahams
2011-10-13 14:46         ` Eli Zaretskii
2011-10-13 15:05           ` Dave Abrahams
2011-10-13 14:22       ` Stefan Monnier
2011-10-13 16:55         ` Carsten Mattner
2011-10-13 17:09           ` Stefan Monnier
2011-10-14 12:11             ` Carsten Mattner
2011-10-14 21:02             ` John Wiegley
2011-10-15  1:22               ` Stefan Monnier
2011-10-13 17:22           ` Richard Riley
2011-10-13 16:12       ` Chong Yidong
2011-10-13 20:18     ` chad
2011-10-14 12:13       ` Carsten Mattner
2011-10-14 12:18         ` Carsten Mattner
2011-10-14 15:49           ` Sven Joachim
2011-10-14 16:30             ` Ted Zlatanov
2011-10-14 16:48               ` Sven Joachim
2011-10-14 17:16                 ` Carsten Mattner
2011-10-15 18:12                 ` Sven Joachim
2011-10-20 13:35                 ` Nix
2011-10-20 23:02                   ` John Wiegley
2011-10-21  0:19                     ` Nix
2011-10-21  8:19                       ` Eli Zaretskii
2011-10-21 12:05                         ` Nix
2011-10-21 12:36                           ` Eli Zaretskii
2011-10-21 12:47                             ` Nix
2011-10-21 14:30                               ` Dmitry Antipov
2011-10-21 15:22                                 ` Nix
2011-10-21 18:29                                   ` Dmitry Antipov
2011-10-21 18:36                                     ` Nix
2011-10-21 13:30                       ` Stefan Monnier
2011-10-21 15:02                         ` Nix
2011-10-21 17:52                           ` Stefan Monnier
2011-10-21 19:12                             ` Nix
2011-10-21 15:34                         ` Dmitry Antipov
2011-10-21 18:00                           ` Stefan Monnier
2011-10-21 18:27                             ` Óscar Fuentes
2011-10-21 18:58                               ` Eli Zaretskii
2011-10-21 19:11                               ` Nix
2011-10-21 20:18                                 ` Eli Zaretskii
2011-10-21 20:21                                   ` Nix
2011-10-22  7:34                             ` Carsten Mattner
2011-10-22  8:30                               ` Stephen J. Turnbull
2011-10-22 12:03                                 ` Carsten Mattner
2011-10-22 16:08                                   ` Stephen J. Turnbull
2011-10-27 22:10                                     ` Ted Zlatanov
2011-10-28  6:40                                       ` Eli Zaretskii
2011-10-28  9:34                                         ` Stephen J. Turnbull
2011-10-28  9:47                                           ` Eli Zaretskii
2011-10-28 10:22                                             ` Stephen J. Turnbull
2011-10-28 10:36                                               ` Eli Zaretskii
2011-10-28 11:52                                                 ` valgrind warnings [Re: Emacs bzr memory footprint] Dan Nicolaescu
2011-10-28 14:08                                                   ` Stephen J. Turnbull
2011-10-28 14:38                                                   ` Dan Nicolaescu
2011-10-28 15:17                                                     ` Chong Yidong
2011-10-28 15:35                                                       ` Eli Zaretskii
2011-10-28 15:27                                                     ` Eli Zaretskii
2011-10-28 16:34                                                       ` Dan Nicolaescu
2011-10-28 18:36                                                         ` Eli Zaretskii
2011-10-28 18:51                                                           ` Eli Zaretskii
2011-10-28 18:52                                                           ` Dan Nicolaescu
2011-10-28 19:03                                                             ` Eli Zaretskii
2011-10-28 15:08                                                   ` Ted Zlatanov
2011-12-04 21:11                                                     ` Florian Weimer
2011-10-28 20:20                                                   ` Dan Nicolaescu
2011-10-29  3:40                                                     ` Chong Yidong
2011-10-29  7:04                                                       ` Andreas Schwab
2011-10-29 16:25                                                         ` Stefan Monnier
2011-11-04 12:51                                                           ` Dan Nicolaescu
2011-11-04 13:08                                                             ` Andreas Schwab
2011-11-04 15:50                                                             ` valgrind warnings Paul Eggert
2011-11-04 17:37                                                             ` valgrind warnings [Re: Emacs bzr memory footprint] Stefan Monnier
2011-11-04 19:10                                                               ` Dan Nicolaescu
2011-11-04 20:56                                                                 ` Paul Eggert
2011-11-05 22:08                                                                   ` Dan Nicolaescu
2011-11-06  2:34                                                                     ` Paul Eggert
2011-11-06 12:37                                                                       ` Dan Nicolaescu
2011-11-07  1:13                                                                         ` Paul Eggert
2011-10-29  9:10                                                     ` Eli Zaretskii
2011-10-22  8:44                               ` Emacs bzr memory footprint Sven Joachim
2011-10-22 11:57                                 ` Carsten Mattner
2011-10-23 18:04                               ` Stefan Monnier
2011-10-25 17:35                         ` Nix
2011-10-25 20:23                           ` Stefan Monnier
2011-10-25 20:34                             ` Nix
2011-10-26 14:52                             ` gnutls memory leak [Was: Re: Emacs bzr memory footprint] Chong Yidong
2011-10-27  6:10                               ` Chong Yidong
2011-10-27 22:01                                 ` Ted Zlatanov
2011-10-28 12:04                                   ` Ted Zlatanov
2011-10-28 17:29                                     ` Nix
2011-10-27 22:03                               ` Ted Zlatanov
2011-10-13 21:23 ` Emacs bzr memory footprint Dan Nicolaescu
2011-10-14 13:04 ` Carsten Mattner
2011-10-14 18:13 ` James Cloos
2011-10-17 20:52   ` Juri Linkov
2011-10-17 23:34     ` James Cloos
2011-10-18  7:24       ` Andreas Schwab

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