GNU bug report logs - #19390
25.0.50; `package-activate' is too slow

Previous Next

Full log

Message #125 received at 19390 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: 19390 <at> debbugs.gnu.org, bruce.connor.am <at> gmail.com
Subject: Re: bug#19390: 25.0.50; `package-activate' is too slow
Date: Thu, 18 Dec 2014 13:40:37 -0500

>> I don't think this performance hit will be noticeable during regular
>> package loading.
> It'll probably slow down Emacs startup: `require' will have to call
> `find-library-name' for each common feature that someone depends on, each
> time a dependant is loaded.

And more importantly, we suffer the slow down when require is supposed to
be fast (i.e. when the package has already been loaded), so the relative
speed impact is not negligible.

And doing it in `require' doesn't catch all cases, because it's done too
lazily and doesn't account for packages loaded via autoloads.  Doing the
reloads eagerly when a package is (re)activated is the better choice.


        Stefan

Previous Next

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