From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#58558: 29.0.50; re-search-forward is slow in some buffers Date: Wed, 12 Apr 2023 17:30:36 +0300 Message-ID: <83fs956ulv.fsf@gnu.org> References: <877d10r21x.fsf@localhost> <87tu1zd2c6.fsf@localhost> <83h6xzphxm.fsf@gnu.org> <87wn6vbfaa.fsf@localhost> <838rjbpecw.fsf@gnu.org> <87fsdjwb4e.fsf@localhost> <874jtyuqax.fsf@localhost> <83zgbqm8q6.fsf@gnu.org> <87sfhit8ug.fsf@localhost> <83tu1ym6jo.fsf@gnu.org> <87h6xyt77x.fsf@localhost> <87h6ttkz6n.fsf@localhost> <838rf5qkpt.fsf@gnu.org> <87lej0zv92.fsf@localhost> <83ttxol6f5.fsf@gnu.org> <87h6tolybs.fsf@localhost> <87zg7e8xnt.fsf@localhost> <83ttxmab7x.fsf@gnu.org> <87sfd5b4oy.fsf@localhost> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35759"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 58558@debbugs.gnu.org, acm@muc.de, yantar92@posteo.net, larsi@gnus.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Apr 12 16:31:27 2023 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 1pmbVP-00097p-4F for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 12 Apr 2023 16:31:27 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pmbV2-0005FJ-Fs; Wed, 12 Apr 2023 10:31:04 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pmbV0-00057v-MU for bug-gnu-emacs@gnu.org; Wed, 12 Apr 2023 10:31:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pmbV0-0001Nk-3y for bug-gnu-emacs@gnu.org; Wed, 12 Apr 2023 10:31:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pmbUz-0002rP-L4 for bug-gnu-emacs@gnu.org; Wed, 12 Apr 2023 10:31:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 12 Apr 2023 14:31:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 58558 X-GNU-PR-Package: emacs Original-Received: via spool by 58558-submit@debbugs.gnu.org id=B58558.168130980410852 (code B ref 58558); Wed, 12 Apr 2023 14:31:01 +0000 Original-Received: (at 58558) by debbugs.gnu.org; 12 Apr 2023 14:30:04 +0000 Original-Received: from localhost ([127.0.0.1]:40573 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pmbU3-0002ox-Jj for submit@debbugs.gnu.org; Wed, 12 Apr 2023 10:30:04 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:51462) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pmbU0-0002o0-1p for 58558@debbugs.gnu.org; Wed, 12 Apr 2023 10:30:01 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pmbTt-0000pG-3J; Wed, 12 Apr 2023 10:29:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=yZwfpwlfGsHIqhcrGo2Nk7oR+VocKYIPN1DfYZJB58E=; b=AVKWnYGitTW8 gSD5MiH+3IxrS6gSOyBHQEcjeoonmT6n5CDn9wHMl39i+k/jpS7jpmKQ5kj6z6RC1spQUfvpWG4Xy Eow2gVg6vxiuSrGsiprkbAs5eEjELuMamNoVs4hzSERRN+pQ8MskqgIVgvm0hjV5hGpYathWmNEOS f+/uogS5/bRxqKA4EdkjWFNgIcy7NiK7U6ShJNEFpu/88hwNE+npspURsRm5tWJZG6L6N6FC6EoEy L9wwRzlBjqnL48YOq0R8medIC0kiZ+mlAMKeHuh5aSrClGENvg0cLbBs2/XEFK3sR0c0DkA0z7GLS w0aBf67ZggTBhyy08NY4TA==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pmbTs-0002NQ-In; Wed, 12 Apr 2023 10:29:52 -0400 In-Reply-To: (message from Stefan Monnier on Wed, 12 Apr 2023 10:06:03 -0400) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:259751 Archived-At: > From: Stefan Monnier > Cc: Ihor Radchenko , Eli Zaretskii , > larsi@gnus.org, 58558@debbugs.gnu.org > Date: Wed, 12 Apr 2023 10:06:03 -0400 > > > 1. emacs -Q > > 2. M-: (require 'cc-langs) > > 3. C-x b asd > > 4. M-: parse-sexp-lookup-properties => t > > > > On Emacs 28, (4) yields nil. > > I suspect that the patch below might fix the immediate problem. > Of course, setting `parse-sexp-lookup-properties` should not have such > a major performance impact, so maybe we should keep digging into > the problem. Also, that code was there in Emacs 28 as well, so how come it suddenly has this effect now?