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From: Lars Ingebrigtsen <larsi@gnus.org>
To: Eric Abrahamsen <eric@ericabrahamsen.net>
Cc: 50877@debbugs.gnu.org,
	Morgan Willcock <mwillcock@precedence.co.uk>,
	Stefan Kangas <stefankangas@gmail.com>
Subject: bug#50877: 28.0.50; Gnus: nnimap backend is extremely slow to initialise new groups
Date: Wed, 29 Sep 2021 08:18:06 +0200	[thread overview]
Message-ID: <87czordhwh.fsf@gnus.org> (raw)
In-Reply-To: <8735ponh32.fsf@ericabrahamsen.net> (Eric Abrahamsen's message of "Tue, 28 Sep 2021 21:25:37 -0700")

Eric Abrahamsen <eric@ericabrahamsen.net> writes:

> I'm cc'ing Lars and Stefan Kangas, who are the most "involved" here. The
> benchmarks are gruesome:

Yeah, sounds like that commit has to be reverted.

> Probably still worth a dedicated function for Gnus? (Or a rewrite of
> `seq-difference'...)

Rewriting it using the same trick that the Gnus version does (i.e., a
hash table) might be nice, but it does use more memory, so I'm not sure
that's a general solution.  Perhaps there should be a separate version
of seq-difference.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





  reply	other threads:[~2021-09-29  6:18 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-28 21:27 bug#50877: 28.0.50; Gnus: nnimap backend is extremely slow to initialise new groups Morgan Willcock
2021-09-28 21:34 ` Eric Abrahamsen
2021-09-28 21:53   ` Morgan Willcock
2021-09-29  4:25     ` Eric Abrahamsen
2021-09-29  6:18       ` Lars Ingebrigtsen [this message]
2021-09-29  9:11         ` Stefan Kangas
2021-09-29 15:27           ` Lars Ingebrigtsen

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