Hello Nicolas,

i did the update but there is no change to my issue.
Actually the archiving / unarchiving is solving the issue.

Even the agenda building in the state before and after i do the 
archive/unarchive once is exremely different.

Everything is unusable slow before, but afterwards it works fine again.

It is all very strange, but i have it on two different windows machines 
and it is identical:

1. slow on startup
2. archive / unarchive of huge parts of my two big org files
3. system is fast again

to be honest, im absolutely clueless.
Archive / unarchive is doing something that speeds everything up.
Im glad that i found it because if not orgmode would not be usable for 
me at all anymore.

Am 11.02.2016 um 01:00 schrieb Nicolas Goaziou:
> Hello,
>
> Michael Ziems <michael.ziems@xiron.de> writes:
>
>> im using orgmode and emacs on Windows.
>> When starting emacs, orgmode is extremely slow.
>> Pushing headlines arround, opening headlines and moving columns in
>> org-tables is a pain.
>> When i archive a big section in my org file through C-c C-x a and
>> unarchive it afterwards, then org gets really fast again.
>> just to show the issue i added the archiving as a profiler report
>> here:
> I'm not sure why it gets faster on the second attempt, but
> `org-toggle-archive-tag' is needlessly slow. I fixed the slowdown on
> maint.
>
> Does it fare better with the fix?
>
>
> Regards,
>