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My emacs configuration takes a very long time to load. How can I easily find the offending parts and optimize them?
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el , the default is the directory ~/. config/emacs . This can be overridden by setting XDG_CONFIG_HOME in your environment, its value replaces ~/. config in the name of the default XDG init file.
In Windows 7 put your init. el file in C:\Users\user-name\AppData\Roaming\. emacs.
In order to reload a file, you can use the macro M-x revert-buffer (if you want you can bind it to a key), or use a more practice trick: use C-x C-v RET. This tell to find an alternate file and by default emacs suggests you the current file.
Very useful package: http://www.emacswiki.org/emacs/ProfileDotEmacs
Just skip loading your init file and let ProfileDotEmacs load/profile it for you:
emacs -Q -l profile-dotemacs.el -f profile-dotemacs
Another solution is ESUP, the Emacs Start Up Profiler. It can profile your config file without leaving Emacs - it accomplishes this by starting a new Emacs as a child process, getting profile information from it.
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