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bug#4287: reducing emacs size by more frequent garbage-collect calls in


From: Stefan Monnier
Subject: bug#4287: reducing emacs size by more frequent garbage-collect calls in loadup.el
Date: Sat, 29 Aug 2009 17:34:35 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux)

> 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






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