From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David De La Harpe Golden Newsgroups: gmane.emacs.devel Subject: Re: Emacs 23.0 is much slower starting than Emacs 22.3 Date: Fri, 24 Oct 2008 02:44:31 +0100 Message-ID: <4901287F.3000203@harpegolden.net> References: <20081022091136.GB924@muc.de> <20081022151444.GE924@muc.de> <48FF58FB.6000302@harpegolden.net> <20081022211202.GA1037@muc.de> <49001F5A.7040402@harpegolden.net> <20081023090908.GB2666@muc.de> <4900ACF9.7060501@harpegolden.net> <4900FF17.2000203@harpegolden.net> <49011336.10307@harpegolden.net> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1224812691 26310 80.91.229.12 (24 Oct 2008 01:44:51 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 24 Oct 2008 01:44:51 +0000 (UTC) Cc: acm@muc.de, Eli Zaretskii , monnier@iro.umontreal.ca, emacs-devel@gnu.org To: Lennart Borgman Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Oct 24 03:45:52 2008 connect(): Connection refused Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1KtBkN-0006q3-Jn for ged-emacs-devel@m.gmane.org; Fri, 24 Oct 2008 03:45:51 +0200 Original-Received: from localhost ([127.0.0.1]:35734 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KtBjI-0000HH-3V for ged-emacs-devel@m.gmane.org; Thu, 23 Oct 2008 21:44:44 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KtBjD-0000Gz-IT for emacs-devel@gnu.org; Thu, 23 Oct 2008 21:44:39 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KtBjC-0000GO-OV for emacs-devel@gnu.org; Thu, 23 Oct 2008 21:44:39 -0400 Original-Received: from [199.232.76.173] (port=34642 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KtBjC-0000GJ-LX for emacs-devel@gnu.org; Thu, 23 Oct 2008 21:44:38 -0400 Original-Received: from harpegolden.net ([65.99.215.13]:36060) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1KtBjB-0001Xw-9a; Thu, 23 Oct 2008 21:44:37 -0400 Original-Received: from [87.198.54.44] (87-198-54-44.ptr.magnet.ie [87.198.54.44]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "David De La Harpe Golden", Issuer "David De La Harpe Golden Personal CA rev 3" (verified OK)) by harpegolden.net (Postfix) with ESMTP id DC5988334; Fri, 24 Oct 2008 02:44:33 +0100 (IST) User-Agent: Mozilla-Thunderbird 2.0.0.17 (X11/20081018) In-Reply-To: <49011336.10307@harpegolden.net> X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:104924 Archived-At: David De La Harpe Golden wrote: > +++ Which leaves set-auto-mode... Which seems to be mostly the particular mode - So of course, this can presumably vary wildly from mode to mode, but let's take c-mode (seeing as it's for the c files I was testing with): set-auto-mode->set-auto-mode-0-> c-mode-> (c-init-language-vars-for, c-common-init->(c-basic-common-init, run some internal hooks, like the "neutralize"), ...) See existing c-neutralize-syntax-in-CPP initial comment: "SPEED _MATTERS_ IN THIS FUNCTION!!!" Profiling confirms - yes, it does. :-) find-file-noselect 180 3.1810370000 0.0176724277 find-file-noselect-1 180 2.48014 0.0137785555 after-find-file 180 2.1637470000 0.0120208166 normal-mode 180 2.010236 0.0111679777 set-auto-mode 180 1.0771709999 0.0059842833 set-auto-mode-0 180 1.0480739999 0.0058226333 c-mode 180 1.047115 0.0058173055 hack-local-variables 180 0.9007970000 0.0050044277 c-common-init 180 0.8647119999 0.0048039555 c-neutralize-syntax-in-CPP 180 0.7705030000 0.0042805722 run-hooks 2357 0.2052220000 8.706...e-05 c-init-language-vars-for 180 0.112398 0.0006244333 c-basic-common-init 180 0.0799130000 0.0004439611 c-neutralize-CPP-line 14000 0.0594100000 4.243...e-06 make-local-variable 10477 0.0177539999 1.694...e-06 set-auto-mode-1 362 0.0149190000 4.121...e-05 kill-all-local-variables 361 0.0091960000 2.547...e-05 c-setup-paragraph-variables 361 0.0060069999 1.663...e-05 c-update-modeline 360 0.005464 1.517...e-05 c-extend-region-for-CPP 180 0.0043769999 2.431...e-05 c-font-lock-init 180 0.0036940000 2.052...e-05 cc-imenu-init 180 0.0008029999 4.461...e-06 c-initialize-cc-mode 180 0.0003749999 2.083...e-06 easy-menu-add 180 0.0002349999 1.305...e-06 set-syntax-table 182 0.0001749999 9.615...e-07 use-local-map 182 0.0001659999 9.120...e-07