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#71454: 30.0.50; Performance issues with font selection Date: Mon, 10 Jun 2024 15:04:18 +0300 Message-ID: <8634pl9f7h.fsf@gnu.org> References: <87v82h6a33.fsf@jeremybryant.net> <87r0d568ze.fsf@jeremybryant.net> <2AF3BA0C-B04D-45C9-8C83-4AF97BF20156@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="26502"; mail-complaints-to="usenet@ciao.gmane.io" Cc: jb@jeremybryant.net, 71454@debbugs.gnu.org To: Kai Ma Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jun 10 17:13:10 2024 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 1sGgho-0006eZ-Qq for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 10 Jun 2024 17:13:09 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sGghV-0000Ex-SW; Mon, 10 Jun 2024 11:12:49 -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 1sGghT-0000Ce-AT for bug-gnu-emacs@gnu.org; Mon, 10 Jun 2024 11:12:47 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sGghT-0007XI-1w for bug-gnu-emacs@gnu.org; Mon, 10 Jun 2024 11:12:47 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1sGghj-0003eV-UA for bug-gnu-emacs@gnu.org; Mon, 10 Jun 2024 11:13:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 10 Jun 2024 15:13:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 71454 X-GNU-PR-Package: emacs Original-Received: via spool by 71454-submit@debbugs.gnu.org id=B71454.171803233213793 (code B ref 71454); Mon, 10 Jun 2024 15:13:03 +0000 Original-Received: (at 71454) by debbugs.gnu.org; 10 Jun 2024 15:12:12 +0000 Original-Received: from localhost ([127.0.0.1]:40717 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sGggt-0003aN-Uz for submit@debbugs.gnu.org; Mon, 10 Jun 2024 11:12:12 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:47768) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sGggr-0003Zs-Gw for 71454@debbugs.gnu.org; Mon, 10 Jun 2024 11:12:10 -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 1sGdl7-0001lZ-TI; Mon, 10 Jun 2024 08:04:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=7Tf34DzJAws3Tscz5G5dIojoTWwbzb+ztS4Ds4TRLf8=; b=JfOnV5TUtxOnE+IAUnno lpHC7npJbH7te4ij3wreenUnGLXrhPING9EHQL+2dv22RKmN3tM3UIj7TTQJa4nZYulL66hNYF5om EwMYrb6OxwKOJIc/F/WBowQ27hx8NhBbeTgP3tZhC3OBq2xSH8YqGMZg3PC7D6su9oZxu1wazn48Q fHUoC6/piOxiVl2vwtIwaQNxkmj11SsJE2uX+VWPhA2Iar0bE3JtIdOLhb0+AWz/yxy6TU9ZiFjWi E0VdfUZ4HyUd8HTk8BSbe0SehJDjxyx6T5iE3KpAip5CQdaHj56eOa6JdjT11hfI0lVyjD014QEcZ ZpLvul1macwOXA==; In-Reply-To: <2AF3BA0C-B04D-45C9-8C83-4AF97BF20156@gmail.com> (message from Kai Ma on Mon, 10 Jun 2024 04:14:40 +0200) 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:287035 Archived-At: > Cc: 71454@debbugs.gnu.org > From: Kai Ma > Date: Mon, 10 Jun 2024 04:14:40 +0200 > > > > > On Jun 10, 2024, at 00:34, Jeremy Bryant wrote: > > > > Kai Ma writes: > > > >>> On Jun 10, 2024, at 00:10, Jeremy Bryant wrote: > >>> > >>> Would you be able to provide a self-contained series of steps starting > >>> from emacs -Q? > >> > >> On my machine it is extremely easy to reproduce by simply: > >> > >> 1. emacs -Q > >> 2. Switch to *scratch* > >> 3. Copy the provided text into *scratch* > >> 4. Emacs will freeze for 17 seconds or so, and it cannot be interrupted by C-g > > > > I am unable to reproduce this bug. > > > > Please could you specify exactly which version of Emacs you are using? > > I’m using Emacs master branch (commit 7f8ded2a85d) on macOS. Maybe this is specific to the macOS font back-end, which AFAIU is a special one used only on macOS.