From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#23377: 25.0.93; Completion is extremely slow for insert-char Date: Tue, 26 Apr 2016 09:34:49 +0300 Message-ID: <83k2jk27zq.fsf@gnu.org> References: <2fd9a9b4-fb49-da6e-f13b-0fce4708159a@cs.ucla.edu> <34cb394c-1a2f-4fe5-8a2f-d26702487aef@default> <571EEA4A.3020105@cs.ucla.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1461652594 24497 80.91.229.3 (26 Apr 2016 06:36:34 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 26 Apr 2016 06:36:34 +0000 (UTC) Cc: nljlistbox2@gmail.com, monnier@IRO.UMontreal.CA, 23377@debbugs.gnu.org To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Apr 26 08:36:19 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1auwbZ-0005F8-Vv for geb-bug-gnu-emacs@m.gmane.org; Tue, 26 Apr 2016 08:36:18 +0200 Original-Received: from localhost ([::1]:36520 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1auwbZ-0007LE-DV for geb-bug-gnu-emacs@m.gmane.org; Tue, 26 Apr 2016 02:36:17 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43350) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1auwbP-00079k-Lz for bug-gnu-emacs@gnu.org; Tue, 26 Apr 2016 02:36:11 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1auwbL-0003gA-2w for bug-gnu-emacs@gnu.org; Tue, 26 Apr 2016 02:36:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:35063) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1auwbK-0003g5-Tm for bug-gnu-emacs@gnu.org; Tue, 26 Apr 2016 02:36:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1auwbK-0000qW-PR for bug-gnu-emacs@gnu.org; Tue, 26 Apr 2016 02:36:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 26 Apr 2016 06:36:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 23377 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch confirmed Original-Received: via spool by 23377-submit@debbugs.gnu.org id=B23377.14616525213184 (code B ref 23377); Tue, 26 Apr 2016 06:36:02 +0000 Original-Received: (at 23377) by debbugs.gnu.org; 26 Apr 2016 06:35:21 +0000 Original-Received: from localhost ([127.0.0.1]:47396 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1auwae-0000pH-Su for submit@debbugs.gnu.org; Tue, 26 Apr 2016 02:35:21 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:52082) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1auwad-0000p4-BW for 23377@debbugs.gnu.org; Tue, 26 Apr 2016 02:35:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1auwaT-0003WL-NE for 23377@debbugs.gnu.org; Tue, 26 Apr 2016 02:35:14 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:42063) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1auwaT-0003WH-KM; Tue, 26 Apr 2016 02:35:09 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1993 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1auwaS-0005jH-LK; Tue, 26 Apr 2016 02:35:09 -0400 In-reply-to: <571EEA4A.3020105@cs.ucla.edu> (message from Paul Eggert on Mon, 25 Apr 2016 21:10:50 -0700) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:116859 Archived-At: > From: Paul Eggert > Date: Mon, 25 Apr 2016 21:10:50 -0700 > Cc: "N. Jackson" , 23377@debbugs.gnu.org > > Drew Adams wrote: > > if the main reason to disable it is for performance in > > an extreme use case (C-x 8 RET TAB) > > It's not that extreme. It's natural for a user to get the whole list and then > use C-s to find the desired character. It surprises me that this is perceived as "natural", for an Emacs user. Do they also use this when completing on file names or buffer names? I don't think so. So why would we assume they do so in this case? There are more than 30K names in the list popped up by the above; how is it "reasonable", let alone economical, to search that huge list, instead of typing some string to narrow down the list of completions?