From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Antipov Newsgroups: gmane.emacs.bugs Subject: bug#15876: 24.3.50; Highly degraded performance between rev 114715 and 115006 Date: Wed, 11 Dec 2013 22:00:48 +0400 Message-ID: <52A8A850.8040302@yandex.ru> References: <867gcdiqji.fsf@somewhere.org> <86fvr09z55.fsf@somewhere.org> <83fvr01du4.fsf@gnu.org> <8638n0nj9p.fsf@somewhere.org> <86bo1eaelv.fsf@somewhere.org> <86r4a2vqbu.fsf@somewhere.org> <867gbqdisp.fsf@somewhere.org> <83haas5y88.fsf@gnu.org> <529C64C5.2040509@yandex.ru> <834n6r5edh.fsf@gnu.org> <529DAAED.9000504@yandex.ru> <83ob4y3wi5.fsf@gnu.org> <529DF416.7070807@yandex.ru> <83txeo33ls.fsf@gnu.org> <52A01D59.7030304@yandex.ru> <83lhzz2oal.fsf@gnu.org> <52A80BA8.3050403@yandex.ru> <83ob4nwdw0.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1386784874 30751 80.91.229.3 (11 Dec 2013 18:01:14 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 11 Dec 2013 18:01:14 +0000 (UTC) Cc: sva-news@mygooglest.com, 15876@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Dec 11 19:01:18 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Vqo62-0003M4-ET for geb-bug-gnu-emacs@m.gmane.org; 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Wed, 11 Dec 2013 22:00:49 +0400 (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (Client certificate not present) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1386784849; bh=G8P48Dl8SVpSeBVxKajPsxMOs5rYDIW57D8IZdgyHYo=; h=Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject: References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=wQQqMYRKCr0LW+V/BR1FuP/bjYN5f+jIipmlST1WM4SnbUMGyxggF49qKoa9sHjbS 8yhsbFf8Ex9z5rqRlTUiQSizc5+mjyr3AEHtSMJSTKc1ygRMp2uS3wPUgau+u0jQD9 T1hthk47aRz70xcHBmWAvnJ7avetNgxuzIZCPVUA= Authentication-Results: smtp12.mail.yandex.net; dkim=pass header.i=@yandex.ru User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 In-Reply-To: <83ob4nwdw0.fsf@gnu.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:81775 Archived-At: On 12/11/2013 08:28 PM, Eli Zaretskii wrote: > Right, this matches my observations. Did you succeed in finding which > function in this call sequence is the performance bottleneck? Usually this is font_driver->list (xfont_list, w32font_list, etc), which can create a lot of font-entity objects. > Anyway, what about the patch below? With it, the problem disappears > even without your "threshold" based GC. Looks good. But can we assume that FACE_FROM_ID (...) is always non-NULL? Some important routines, like mark_face_cache, do not rely on this. Dmitry