Michael Albinus <michael.albinus@HIDDEN>
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Full text available.Received: (at submit) by debbugs.gnu.org; 9 Apr 2023 07:34:00 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Apr 09 03:34:00 2023 Received: from localhost ([127.0.0.1]:60182 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1plPYm-0001vW-21 for submit <at> debbugs.gnu.org; Sun, 09 Apr 2023 03:34:00 -0400 Received: from mordac.selfhost.de ([82.98.82.6]:55824 helo=outgoing.selfhost.de) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <harri@HIDDEN>) id 1plPYj-0001vJ-V4 for submit <at> debbugs.gnu.org; Sun, 09 Apr 2023 03:33:58 -0400 Received: (qmail 1002 invoked from network); 9 Apr 2023 07:33:55 -0000 Received: from unknown (HELO mailhost.afaics.de) (postmaster@HIDDEN@62.158.100.70) by mailout.selfhost.de with ESMTPA; 9 Apr 2023 07:33:55 -0000 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on marvin.afaics.de X-Spam-Level: X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED=-1 autolearn=ham autolearn_force=no version=_VERSION Received: from [10.42.100.14] (cecil.afaics.de [10.42.100.14]) by marvin.afaics.de (OpenSMTPD) with ESMTP id f86f0885; Sun, 9 Apr 2023 09:33:55 +0200 (CEST) Message-ID: <ea31bb1b-187e-e864-0c09-0080cd45aea3@HIDDEN> Date: Sun, 9 Apr 2023 09:33:55 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 From: Harald Dunkel <harri@HIDDEN> Subject: resizing emacs via remote X is horrible slow To: submit <at> debbugs.gnu.org Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) Hi folks, Using emacs 28.2 ("emacs-lucid", built on Debian Testing) via xlib protocol on a remote site it is horrible slow on a window resize. If it does a window refresh, shows some new text, scrolls text up or down or whatever, then emacs is as fast as expected. Only resizing the window sucks (sorry). Would it be possible to optimze emacs in this respect? If I run the same emacs in a remote xterm session, then it is 3 orders of magnitude faster. Now the xterm is responsible for running xlib protocol, resizing the window and sending SIGWINCH to emacs. What has xterm, that emacs doesn't have? Even if you don't focus on remote XWindow connections, this problem shows that there is something fishy in emacs. A local XWindow connction via lan or AF_UNIX might benefit of an optimization as well. Regards Harri
Harald Dunkel <harri@HIDDEN>
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