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#51734: 29.0.50; got slow Date: Fri, 12 Nov 2021 21:26:32 +0200 Message-ID: <83wnldxjiv.fsf@gnu.org> References: <83a6ic41g3.fsf@gnu.org> <83pmr715c5.fsf@gnu.org> <83ilwy22y1.fsf@gnu.org> <090472b2-4f54-2f31-cb9e-30956cbcbb31@cornell.edu> <83tugizg8v.fsf@gnu.org> <6ef97cf3-6f8e-40f7-aef9-cbd2755756cc@cornell.edu> <83o86qzbpg.fsf@gnu.org> <843f06f4-3666-1fd9-cad9-860b475b2938@cornell.edu> <83mtmazay6.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28384"; mail-complaints-to="usenet@ciao.gmane.io" Cc: yamaoka@jpl.org, 51734@debbugs.gnu.org To: Ken Brown Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Nov 12 20:27:15 2021 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 1mlcCg-0007De-7R for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 12 Nov 2021 20:27:14 +0100 Original-Received: from localhost ([::1]:39682 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mlcCf-0008Fd-2M for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 12 Nov 2021 14:27:13 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:58834) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlcCU-0008FQ-Si for bug-gnu-emacs@gnu.org; Fri, 12 Nov 2021 14:27:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:34460) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mlcCU-0007GX-FT for bug-gnu-emacs@gnu.org; Fri, 12 Nov 2021 14:27:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mlcCU-0003PX-Cr for bug-gnu-emacs@gnu.org; Fri, 12 Nov 2021 14:27:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 12 Nov 2021 19:27:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 51734 X-GNU-PR-Package: emacs Original-Received: via spool by 51734-submit@debbugs.gnu.org id=B51734.163674522013103 (code B ref 51734); Fri, 12 Nov 2021 19:27:02 +0000 Original-Received: (at 51734) by debbugs.gnu.org; 12 Nov 2021 19:27:00 +0000 Original-Received: from localhost ([127.0.0.1]:46006 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlcCS-0003PH-4J for submit@debbugs.gnu.org; Fri, 12 Nov 2021 14:27:00 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:58080) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlcCP-0003Oz-38 for 51734@debbugs.gnu.org; Fri, 12 Nov 2021 14:26:58 -0500 Original-Received: from [2001:470:142:3::e] (port=59472 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlcCJ-0007G2-18; Fri, 12 Nov 2021 14:26:51 -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=cvjbKjAWsqvP7ynt1JPd/gbW+puQUO5LKEc2i3y5z9M=; b=iqeQWbJ8nakA RAmJ6+3MoMEvVlE/UBViWCYltSAtGn9RJdZZaEQ2G9mBzLazuRwioR3GMhEXIvOGbu80D1xT9qNhf th1YOSiLOpFNy1zgkN+Fk4S6copncerNwa4Weafkv0Ar5OkT+vPJCdIibADNF7+Qqfs7PuCjS5THv SXM9fAk6hztjC8r+GTJBk/ap3ewCJI7y5iECS78hSWkIdt/MmRubxOj4hjpLr7gjBqsbf/+lkSVCj m1GWUFaYE1+htbB+aD4o0cv8G6JIk2GuDkwAEUlmxhu7OugARrWyCGJR91uLxJOmvsHPGZIwL65Fw yRJDEPCvkiWJFUuoLh27jQ==; Original-Received: from [87.69.77.57] (port=3523 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 1mlcCI-0000ls-FG; Fri, 12 Nov 2021 14:26:50 -0500 In-Reply-To: (message from Ken Brown on Fri, 12 Nov 2021 13:22:28 -0500) 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:219787 Archived-At: > Date: Fri, 12 Nov 2021 13:22:28 -0500 > Cc: yamaoka@jpl.org, 51734@debbugs.gnu.org > From: Ken Brown > > The only thing I can think of is that Cygwin is probably the only system that > has timerfd and that also has to use timers to poll for input. (The others all > use SIGIO, if I'm not mistaken.) By using two different kinds of timers > simultaneously, we're getting timers expiring twice as often and not at regular > intervals. Could this account for the slowdown? At what frequency does the other timer tick, the one used to poll for input? > In any case, I think I should go ahead and install the patch to make the master > branch usable again on Cygwin. Feel free.