GNU bug report logs - #30731
Slower startup using March (27.0.50) build in windows

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From: Shuguang Sun <shuguang <at> gmail.com>
To: Noam Postavsky <npostavs <at> gmail.com>
Cc: 30731 <at> debbugs.gnu.org
Subject: bug#30731: Slower startup using March (27.0.50) build in windows
Date: Tue, 13 Mar 2018 18:34:16 +0800

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Hi Noam,

Thanks for the tips. One (package-earlyload) is to put package-initialize
before custom-set-variables, another one (package-lateload) is to put
package-initialize after then custom-set-variables. I attahed the diff of
the trace-log.
The trace-log from package-earlyload has less do-after-load-evaluation
items which are supposed to be loaded during the package-initialize.
However, it still takes longer time for custom-set-variables  during early
package initialization.
The two items, mail-prsvr.elc and mm-util.elc are in earlyload but not in
lateload.



On Tue, Mar 13, 2018 at 1:09 AM, Noam Postavsky <npostavs <at> gmail.com> wrote:

> On Mon, Mar 12, 2018 at 12:08 PM, Shuguang Sun <shuguang <at> gmail.com> wrote:
> > FYI. If put (package-initialize) before custom-set-variables,
> >>>> before custom-set-variables : 3.637 sec <<<
> > Loading image-file...done
> > Loading time...done
> > Loading completion...done
> > Loading elec-pair...done
> > Loading icomplete...done
> > Loading ido...done
> > Loading avoid...done
> > Loading savehist...done
> > Loading paren...done
> >>>> custom-set-variables time: 10.080 sec <<<
> >
> > Don't know whether autoloads being triggered. It is hard to test one by
> one.
>
> Try
>
> ...
> (require 'trace)
> (trace-function 'do-after-load-evaluation)
> (custom-set-variables ...)
> (untrace-function 'do-after-load-evaluation)
>
> and see if there is a difference in the *trace-output* buffer when you
> call package-initialize first.
>
> Maybe also do (mapc #'require '(image-file time completion elec-pair
> ido avoid savehist paren)) to get the known loads (which I see listed
> in your output above) out of the way.
>

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