From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.bugs Subject: bug#56682: Fix the long lines font locking related slowdowns Date: Mon, 15 Aug 2022 18:42:08 +0300 Message-ID: <859945d6-87a6-d0d2-e693-8ebe21c328fd@yandex.ru> References: <5308e3b5-a160-17d7-77ee-b1d00acfa20d@yandex.ru> <92da07bd02a6cc861e1a@heytings.org> <837d3lzv8n.fsf@gnu.org> <2c8d6755-cfe2-6559-3fde-3fa30ffb411e@yandex.ru> <83mtcgy44k.fsf@gnu.org> <83k07jx5jn.fsf@gnu.org> <866e510d-a060-7daa-d002-97861d056fa7@yandex.ru> <1144021660321893@iva5-64778ce1ba26.qloud-c.yandex.net> <12348081660379417@sas2-a098efd00d24.qloud-c.yandex.net> <66bbbb95983414e79637@heytings.org> <83wnbckp0q.fsf@gnu.org> <8e884ebe-2d2e-d599-15c3-a5cfe5e6b295@yandex.ru> <83o7wnl7ok.fsf@gnu.org> <036414cc-c711-efaf-ed5b-f8ccfaca0604@yandex.ru> <83v8qvj79c.fsf@gnu.org> <838rnqk8op.fsf@gnu.org> <83v8qtha89.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; 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Mon, 15 Aug 2022 08:42:10 -0700 (PDT) Content-Language: en-US In-Reply-To: <83v8qtha89.fsf@gnu.org> 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:239809 Archived-At: On 15.08.2022 17:06, Eli Zaretskii wrote: >> Date: Sun, 14 Aug 2022 23:46:13 +0300 >> Cc: 56682@debbugs.gnu.org, gregory@heytings.org, monnier@iro.umontreal.ca >> From: Dmitry Gutov >> >> I've also run this test on master now, and M-> is not instant there >> either. > > It's instantaneous here, so I'm not sure why you see something > different. No idea. Size of file, or even the contents might the reason. Here's the profiler output anyway: 1067 85% - command-execute 1067 85% - call-interactively 1023 82% - funcall-interactively 1012 81% - end-of-buffer 1008 81% - recenter 1008 81% - jit-lock-function 1008 81% - jit-lock-fontify-now 1008 81% - jit-lock--run-functions 1008 81% - run-hook-wrapped 1008 81% - # 1008 81% - font-lock-fontify-region 1008 81% - font-lock-default-fontify-region 1008 81% - nxml-extend-region 720 57% - skip-syntax-forward 720 57% - internal--syntax-propertize 720 57% - syntax-propertize 720 57% - nxml-syntax-propertize 720 57% - sgml-syntax-propertize 378 30% # 294 23% sgml--syntax-propertize-ppss 288 23% - nxml-move-outside-backwards 288 23% - nxml-inside-start 288 23% syntax-ppss 11 0% + execute-extended-command 44 3% + byte-code 171 13% - ... 171 13% Automatic GC 5 0% + timer-event-handler