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: Tue, 03 Dec 2013 19:09:10 +0400 Message-ID: <529DF416.7070807@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> 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 1386083418 6146 80.91.229.3 (3 Dec 2013 15:10:18 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 3 Dec 2013 15:10:18 +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 Tue Dec 03 16:10:21 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 1VnrcC-0005cO-QV for geb-bug-gnu-emacs@m.gmane.org; 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According to comments at the beginning of font.h, FONT_ENTITY_INDEX slot of font object should reference font-entity from which this font object is opened. But now I'm seeing that this slot is always Qnil. I.e. the following patch should help: === modified file 'src/font.c' --- src/font.c 2013-10-29 16:11:50 +0000 +++ src/font.c 2013-12-03 12:10:28 +0000 @@ -196,6 +196,7 @@ if (! NILP (AREF (entity, FONT_EXTRA_INDEX))) font->props[FONT_EXTRA_INDEX] = Fcopy_alist (AREF (entity, FONT_EXTRA_INDEX)); + font->props[FONT_ENTITY_INDEX] = entity; } if (size > 0) font->props[FONT_SIZE_INDEX] = make_number (pixelsize); With this patch applied, I can hit 'break' at alloc.c:5327 even if configured with --without-xft; this should help MS-Windows build too. (Just for fun: font entity recording was introduced in r100788 but reverted in r100814 due to OTF handling changes. How dumb.) Dmitry