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#44007: 26.3; Strange shell mode performance Date: Fri, 16 Oct 2020 13:55:02 +0300 Message-ID: <831rhywid5.fsf@gnu.org> References: <499ab53f-7c23-b5ed-6105-3072fffb4bfe@gmail.com> <83imbby3yt.fsf@gnu.org> <3ed7855d-9c95-b56f-7abd-db2c6bd9647b@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="548"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 44007@debbugs.gnu.org To: Herman@debbugs.gnu.org, =?UTF-8?Q?G=C3=A9za?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Oct 16 12:56:09 2020 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 1kTNP7-000Abm-PR for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 16 Oct 2020 12:56:09 +0200 Original-Received: from localhost ([::1]:40336 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTNP6-0008Bi-Lu for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 16 Oct 2020 06:56:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47142) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTNP0-0008BO-B5 for bug-gnu-emacs@gnu.org; Fri, 16 Oct 2020 06:56:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:46306) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kTNP0-0003ay-21 for bug-gnu-emacs@gnu.org; Fri, 16 Oct 2020 06:56:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kTNP0-00010g-0g for bug-gnu-emacs@gnu.org; Fri, 16 Oct 2020 06:56:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 16 Oct 2020 10:56:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 44007 X-GNU-PR-Package: emacs Original-Received: via spool by 44007-submit@debbugs.gnu.org id=B44007.16028457183822 (code B ref 44007); Fri, 16 Oct 2020 10:56:01 +0000 Original-Received: (at 44007) by debbugs.gnu.org; 16 Oct 2020 10:55:18 +0000 Original-Received: from localhost ([127.0.0.1]:57852 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kTNOI-0000za-Ik for submit@debbugs.gnu.org; Fri, 16 Oct 2020 06:55:18 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:39960) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kTNOG-0000zK-Gc for 44007@debbugs.gnu.org; Fri, 16 Oct 2020 06:55:17 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:52660) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTNOB-0003G0-6M; Fri, 16 Oct 2020 06:55:11 -0400 Original-Received: from [176.228.60.248] (port=4240 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kTNO5-0004jy-Pn; Fri, 16 Oct 2020 06:55:06 -0400 In-Reply-To: <3ed7855d-9c95-b56f-7abd-db2c6bd9647b@gmail.com> (Herman@debbugs.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:190687 Archived-At: > From: Herman@debbugs.gnu.org, Géza > Date: Fri, 16 Oct 2020 12:44:32 +0200 > > It reproduces for me, both 26.3 and 28.0.50. And both for the X and > console version (by console version, I mean the usual version, but with > DISPLAY unset). > > I attached a text file (hopefully it gets through). > > cat-ing this file takes ~18 sec. But with enter, it takes just ~3 sec > (these measurements are done with the console version). It behaves like > this 100% of the time (it's a more reliable test than the "seq" test). Does it help to play with the value of process-adaptive-read-buffering? Or with read-process-output-max?