From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs 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 Message-ID: <87czordhwh.fsf@gnus.org> References: <87ee98pf11.fsf@precedence.co.uk> <87bl4c4c6q.fsf@ericabrahamsen.net> <87pmssqsd2.fsf@precedence.co.uk> <8735ponh32.fsf@ericabrahamsen.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40881"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 50877@debbugs.gnu.org, Morgan Willcock , Stefan Kangas To: Eric Abrahamsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Sep 29 08:20:12 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mVSwt-000ARK-2o for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [84.212.220.105] (helo=elva) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mVSut-00051u-7G; Wed, 29 Sep 2021 08:18:09 +0200 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAIVBMVEX+/vrp5NBaS0jH u5+HeYBhTy0qHh+8nVuXcT/UqFb///9jU9mHAAAAAWJLR0QKaND0VgAAAAd0SU1FB+UJHQYPNmmR OEYAAAGiSURBVDjLxVQ9V9swFH2vMk3ZpBjXYSOCmFXGFA6bA6Ez+VAIGwRH8VhKCWZt6yaZGYz+ Lc45HcBSxp7e6ene8+59ko4E8Bb4pkDuduJz4XS2wpabwJedH/XuIXIKOPikoumOp7zjff8WRs3B 0c13lKXQr0lXCu+nt91rJPjQ7GfdWbgSKFJgwCj7W1G6KuEfAtka4XhxH9mSSdHjoa3hRBcjWwc+ n+g7m9Pmsy5sPGqt720J56l++Wbh60o9ZcIyqlojHJWCzsxsLPlp8Wg2fFg5FXNT+KpUqos7S/Rs 8qRfzOyP09lSa5tTa6T1o9ngjINlkZkJUOepnv+yHEcwWc77bQC3skGirh72Qoe6nXbFKS1+Uyfi nDcrM10uLsDhPEjeW+HBKI/hkKu96hkezIcUOd+t8hjIBJzg1hi2IWW3FGJDyHJZkq55R/kip2BD 1BqAHRGF/4I2ER3BKYnhLD5lnOw6jLMzAeR6oz0mKWxcwzCc1JSffG7kkRKwmXi+3B7D7Ab+kHFD +olX6/lDARgyZBiWXwMwjJARUa7Wvt0Sr23lXQ7dcUD5AAAAJXRFWHRkYXRlOmNyZWF0ZQAyMDIx LTA5LTI5VDA2OjE1OjU0KzAwOjAw913g2AAAACV0RVh0ZGF0ZTptb2RpZnkAMjAyMS0wOS0yOVQw NjoxNTo1NCswMDowMIYAWGQAAAAASUVORK5CYII= X-Now-Playing: Two Nice Girls's _Like A Version_: "I Feel (Like Makin') Love" In-Reply-To: <8735ponh32.fsf@ericabrahamsen.net> (Eric Abrahamsen's message of "Tue, 28 Sep 2021 21:25:37 -0700") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:215814 Archived-At: Eric Abrahamsen 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