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#58342: 29.0.50; noverlay branch is O(N) for important calls Date: Fri, 07 Oct 2022 16:57:18 +0300 Message-ID: <83sfjzn3cx.fsf@gnu.org> References: <87edvkcz5v.fsf@rfc20.org> <83tu4gnm8c.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32605"; mail-complaints-to="usenet@ciao.gmane.io" Cc: gerd.moellmann@gmail.com, matt@rfc20.org, 58342@debbugs.gnu.org, mail@andreas-politz.de To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Oct 07 17:23:47 2022 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 1ogpCT-0008Ke-VS for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 07 Oct 2022 17:23:46 +0200 Original-Received: from localhost ([::1]:58328 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ogpCS-0003QL-GP for geb-bug-gnu-emacs@m.gmane-mx.org; 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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=cOEWx/UQ5Aunqemfscfif9FoNHZI+eA5NHDUAbELaWY=; b=C60lvlANoM+x RgDu1XUUpzvUu21jNCLlRaikx8SbdTgDw38kbBFKf9h/FiE626Uj1T+zCvkNFvnPPdASyW0/r45uA P78CfJxKivkER+kt2MZYVF0PZfbzNuSxvDYPGlWmoy/ZIqqqf6q2b9hIKgJ2qmqWzi8fQ/Qj67cnV pIUr9Nie4mz8KRpZ5uH1lvbAhj5wxrUm/K4PISniLJpYcmpKiW698D3OnUb3W+xkMdW5HUd/5hYy8 kuFPWZ9+lXyhCCLTvRWvGh+uS19DdhVgC97ku6dBxJKn5FL3q1gDmcLboBCZXZJCN+URgJbyQoPa6 4GeXcJghOI9OaUircrIRxA==; Original-Received: from [87.69.77.57] (port=2758 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 1ognqp-0000aU-IP; Fri, 07 Oct 2022 09:57:19 -0400 In-Reply-To: (message from Stefan Monnier on Fri, 07 Oct 2022 09:36:50 -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" Xref: news.gmane.io gmane.emacs.bugs:244818 Archived-At: > From: Stefan Monnier > Cc: matt@rfc20.org, bug-gnu-emacs@gnu.org, mail@andreas-politz.de, > gerd.moellmann@gmail.com > Date: Fri, 07 Oct 2022 09:36:50 -0400 > > Eli Zaretskii [2022-10-07 10:09:39] wrote: > >> [ Site note: `previous-overlay-change` is probably not very important in > >> practice, but `next-overlay-change` OTOH is indeed important because > >> it's used during redisplay. > > previous-overlay-change is also called by redisplay (but I didn't see > > how frequently), at least if you look at the code from the static > > analysis POV. > > Do you happen to know via which path it can be called (beside the obvious > ones when the redisplay ends up calling ELisp, such as via jit-lock)? pos_visible_p -> previous-single-char-property-change -> previous-char-property-change -> previous-overlay-change Also: set_point_both -> previous-char-property-change -> previous-overlay-change