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#59641: term is very slow Date: Sat, 17 Dec 2022 17:47:31 +0200 Message-ID: <83sfheghgs.fsf@gnu.org> References: <878rjwmale.fsf@disroot.org> <835yf0p2ba.fsf@gnu.org> <87zgbn2oep.fsf@disroot.org> <83pmcji3bu.fsf@gnu.org> <87ilia2oty.fsf@disroot.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13717"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 59641@debbugs.gnu.org To: Akib Azmain Turja Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Dec 17 16:48:28 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 1p6ZQJ-0003LI-AR for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 17 Dec 2022 16:48:27 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p6ZQ9-0003tA-T5; Sat, 17 Dec 2022 10:48:17 -0500 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 1p6ZQ6-0003rI-Mb for bug-gnu-emacs@gnu.org; Sat, 17 Dec 2022 10:48:14 -0500 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 1p6ZPu-0000rg-SZ for bug-gnu-emacs@gnu.org; Sat, 17 Dec 2022 10:48:14 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1p6ZPu-0002JB-G2 for bug-gnu-emacs@gnu.org; Sat, 17 Dec 2022 10:48:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 17 Dec 2022 15:48:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 59641 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 59641-submit@debbugs.gnu.org id=B59641.16712920548726 (code B ref 59641); Sat, 17 Dec 2022 15:48:02 +0000 Original-Received: (at 59641) by debbugs.gnu.org; 17 Dec 2022 15:47:34 +0000 Original-Received: from localhost ([127.0.0.1]:56547 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p6ZPR-0002Gf-Ia for submit@debbugs.gnu.org; Sat, 17 Dec 2022 10:47:33 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:43202) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p6ZPP-0002GI-HH for 59641@debbugs.gnu.org; Sat, 17 Dec 2022 10:47:31 -0500 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 1p6ZPK-0000nI-5N; Sat, 17 Dec 2022 10:47:26 -0500 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=ajdpHuvQ7NeSN7tkDZ1REsqy4DMK3mxd482cwanb+xQ=; b=QAxIJmz1ZvUc 0riybcRjMkhUE8tR8IsE4szOD+rRdjXn1a2qeUJ0VbgWuUZUqo5SaC1bwU+pHD+jZvB3Fxd8leedz DYkzzLkbg2AlLQFgXsYK2rCHad7331l1J8vkYM6M5oFKfZqRShDmzHQ3IO7JnmCQaY+emR77mSw1G hfvFl1G8pmGB9feebom0BDkmVgU4AAcps0mAi1sIHkc2S68THP2PosAZlfGa3hwmQ1gB+YMGdT5Ul JvmYTRAfoCUfB6stjfE0ZCYoVst1zz5ZNVd9+QjIkhdvA8Q2zeBenCeNAh7AU4x4K0v4a2Q2xtkng VhcpUeheJHAu8hxIMOZ3+A==; 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 1p6ZPJ-0001Wm-HW; Sat, 17 Dec 2022 10:47:25 -0500 In-Reply-To: <87ilia2oty.fsf@disroot.org> (message from Akib Azmain Turja on Sat, 17 Dec 2022 18:32:09 +0600) 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:251285 Archived-At: > From: Akib Azmain Turja > Cc: 59641@debbugs.gnu.org > Date: Sat, 17 Dec 2022 18:32:09 +0600 > > I guess the hot spot here is 'vertical-motion'. 'vertical-motion' takes > various things into account, which are unnecessary for a terminal > emulator. Eat implements its own motion functions, which make their own > assumptions (e.g. each character takes exactly one column, each line > finishes with a newline, etc). I guess this might be a reason why Eat > is faster. If there's no need for the specific features that vertical-motion provides, calling it might indeed be unnecessary.