From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#29095: Bug: The '20a09de953f437109a098fa8c4d380663d921481' merge increased my Emacs configuration loading time from 9 s to 60 s Date: Wed, 01 Nov 2017 05:44:22 +0200 Message-ID: <83h8ueslwp.fsf@gnu.org> References: <0899d792-c1fe-caa8-183e-298371d226a0@Alexander.Shukaev.name> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1509507919 8757 195.159.176.226 (1 Nov 2017 03:45:19 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 1 Nov 2017 03:45:19 +0000 (UTC) Cc: 29095@debbugs.gnu.org To: Alexander Shukaev Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Nov 01 04:45:15 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e9jxj-0000xV-69 for geb-bug-gnu-emacs@m.gmane.org; Wed, 01 Nov 2017 04:45:07 +0100 Original-Received: from localhost ([::1]:48241 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e9jxn-0003MI-9a for geb-bug-gnu-emacs@m.gmane.org; Tue, 31 Oct 2017 23:45:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53172) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e9jxh-0003Lt-Ee for bug-gnu-emacs@gnu.org; Tue, 31 Oct 2017 23:45:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e9jxe-0001lq-Ck for bug-gnu-emacs@gnu.org; Tue, 31 Oct 2017 23:45:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:36183) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1e9jxe-0001li-8g for bug-gnu-emacs@gnu.org; Tue, 31 Oct 2017 23:45:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1e9jxd-0003ff-Vg for bug-gnu-emacs@gnu.org; Tue, 31 Oct 2017 23:45:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 01 Nov 2017 03:45:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 29095 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 29095-submit@debbugs.gnu.org id=B29095.150950788514066 (code B ref 29095); Wed, 01 Nov 2017 03:45:01 +0000 Original-Received: (at 29095) by debbugs.gnu.org; 1 Nov 2017 03:44:45 +0000 Original-Received: from localhost ([127.0.0.1]:44864 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e9jxL-0003en-TR for submit@debbugs.gnu.org; Tue, 31 Oct 2017 23:44:45 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:33908) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e9jxK-0003eb-Ex for 29095@debbugs.gnu.org; Tue, 31 Oct 2017 23:44:42 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e9jxC-0001fZ-2O for 29095@debbugs.gnu.org; Tue, 31 Oct 2017 23:44:37 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:54799) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e9jxB-0001fU-VS; Tue, 31 Oct 2017 23:44:34 -0400 Original-Received: from [176.228.60.248] (port=1999 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1e9jxB-0007Er-2M; Tue, 31 Oct 2017 23:44:33 -0400 In-reply-to: <0899d792-c1fe-caa8-183e-298371d226a0@Alexander.Shukaev.name> (message from Alexander Shukaev on Wed, 1 Nov 2017 01:44:50 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:139303 Archived-At: > From: Alexander Shukaev > Date: Wed, 1 Nov 2017 01:44:50 +0100 > > Decided to try pretest of 26.0.90 and immediately discovered that it is > slower than, for example, 'e7f65187580342171dd9ad32e570c50c96badb13' > which I used before. In particular, thanks to a couple of hours of > bisecting, I found that the '20a09de953f437109a098fa8c4d380663d921481' > merge increased my Emacs configuration loading time from 9 s to 60 s, By "Emacs configuration loading time" you mean the time it takes Emacs to start up when you type "emacs" at the shell prompt? Or do you mean something else? > which is unacceptable. I have no idea how this made it's way to the > 'master' branch. Furthermore, other operations like navigation across > windows or performing an incremental search are also noticeably slower, > i.e. they stutter annoyingly Is your build optimized or unoptimized? If the latter, perhaps your previous build was optimized? The difference between them could be a factor of 2.5 in speed. > and from what I see is a result of extensive GC spam which did not > occur in previous versions. What do you mean by "extensive GC spam"? Also, in what major mode(s) and what kind of files do you see this performance degradation? Thanks.