GNU bug report logs - #4287
reducing emacs size by more frequent garbage-collect calls in loadup.el

Previous Next

Full log

View this message in rfc822 format

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Dan Nicolaescu <dann <at> ics.uci.edu>
Cc: 4287 <at> debbugs.gnu.org, bug-gnu-emacs <bug-gnu-emacs <at> gnu.org>
Subject: bug#4287: reducing emacs size by more frequent garbage-collect calls in loadup.el
Date: Sat, 29 Aug 2009 17:34:35 -0400

> As the Subject says, replacing each `load' line in loadup.el with 
> `load' + `garbage-collect' will reduce the size of the stripped emacs
> binary: (.7 is before, .8 is after the change)

> $ ls -l emacs-23.1.50.8 emacs-23.1.50.7
> -rwx------ 1 dann dann 6722788 Jul 24 14:20 emacs-23.1.50.8*
> -rwx------ 1 dann dann 6857956 Jul 24 14:20 emacs-23.1.50.7*

> $ size  emacs-23.1.50.8 emacs-23.1.50.7
>    text    data     bss     dec     hex filename
> 1883659 4833256       0 6716915  667df3 emacs-23.1.50.8
> 1883659 4968424       0 6852083  688df3 emacs-23.1.50.7

> so we get about 2% reduction by doing something very simple and safe... 

> [This happens because loading multiple files generate more garbage that
> can be collected, but it is not returned to the OS, so it appears in
> the dumped image].

> See the discussion on this topic on emacs-devel:
> http://permalink.gmane.org/gmane.emacs.devel/113176

Can you show the patch?


        Stefan

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.