From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Ihor Radchenko Newsgroups: gmane.emacs.bugs Subject: bug#58558: 29.0.50; re-search-forward is slow in some buffers Date: Wed, 14 Dec 2022 12:23:50 +0000 Message-ID: <874jtyuqax.fsf@localhost> References: <877d10r21x.fsf@localhost> <87zgdwyvkt.fsf@gnus.org> <87ilkk6ri5.fsf@localhost> <87v8okjei9.fsf@gnus.org> <87tu44jdce.fsf@localhost> <87czasjd9j.fsf@gnus.org> <87k050nio5.fsf@localhost> <87zgdwhw0z.fsf@gnus.org> <83sfjo3tfw.fsf@gnu.org> <878rlfjmjh.fsf@localhost> <87mt9tbbbp.fsf@gnus.org> <8335bl18lo.fsf@gnu.org> <87wn8x9eqb.fsf@gnus.org> <87tu1zd2c6.fsf@localhost> <83h6xzphxm.fsf@gnu.org> <87wn6vbfaa.fsf@localhost> <838rjbpecw.fsf@gnu.org> <87fsdjwb4e.fsf@localhost> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38930"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 58558@debbugs.gnu.org, Eli Zaretskii , larsi@gnus.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Dec 14 13:25:21 2022 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 1p5Qp7-0009yV-AD for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 14 Dec 2022 13:25:21 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p5Qor-00047W-Kv; Wed, 14 Dec 2022 07:25:05 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p5Qoo-000474-D5 for bug-gnu-emacs@gnu.org; Wed, 14 Dec 2022 07:25:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1p5Qoo-0005AQ-4e for bug-gnu-emacs@gnu.org; Wed, 14 Dec 2022 07:25:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1p5Qon-0005p0-Vy for bug-gnu-emacs@gnu.org; Wed, 14 Dec 2022 07:25:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Ihor Radchenko Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 14 Dec 2022 12:25:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 58558 X-GNU-PR-Package: emacs Original-Received: via spool by 58558-submit@debbugs.gnu.org id=B58558.167102064522359 (code B ref 58558); Wed, 14 Dec 2022 12:25:01 +0000 Original-Received: (at 58558) by debbugs.gnu.org; 14 Dec 2022 12:24:05 +0000 Original-Received: from localhost ([127.0.0.1]:38836 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p5Qnt-0005oZ-0i for submit@debbugs.gnu.org; Wed, 14 Dec 2022 07:24:05 -0500 Original-Received: from mout01.posteo.de ([185.67.36.65]:47225) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p5Qnr-0005o1-EQ for 58558@debbugs.gnu.org; Wed, 14 Dec 2022 07:24:04 -0500 Original-Received: from submission (posteo.de [185.67.36.169]) by mout01.posteo.de (Postfix) with ESMTPS id C1AAB240027 for <58558@debbugs.gnu.org>; Wed, 14 Dec 2022 13:23:56 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1671020637; bh=NIqOTYUo6UsuGe/RKx+9X3oVdhrBOHs8Uf8sOIDQAM4=; h=From:To:Cc:Subject:Date:From; b=XG/SBfyOz6Uk82ahr2rOGMYUO78JRhtRHKSQszSz9RqK+iSuRJTcbu7cgBot3Oja0 o5gVgr0rKPt2NBQUHsmelJLduMLVb5fKnmcHr/L2rokmK6ovO1nhSiSDZW+bCAjv8u 1zYYTbY0ZaWl8cvnWqXjNPh9GprvwwkWoE8/qnAWw/47xUr2AvKv4y6tzIZTLM9aev kPpCJDKUhRexOha2r7jABsU2ZoYaNEtuTrVzOvG8eMLf9+Bmx7ZcLuMLfrAot3hbt8 VNShrFz9n62t8vmwg2xGw27g50zz6g2T9rRx1BYyn7E54tv+Ge34Zpe2mN8UZiqc7A /H8YUjDpJXQhw== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4NXF092Hbdz6tsX; Wed, 14 Dec 2022 13:23:52 +0100 (CET) In-Reply-To: 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:250933 Archived-At: Stefan Monnier writes: > I'd be interested to know how many iterations of the `for (tail = > BUF_MARKERS (b);...` loop are executed on average during your > `re-search-forward` (and how that average changes between runs of > `re-search-forward`). I did not get around to measure separate re-search-forward calls, but total number of hits to CONSIDER (tail->bytepos, tail->charpos); during benchmark-run is: 18 breakpoint keep y 0x000055555578be74 in buf_bytepos_to_charpos at marker.c:353 breakpoint already hit 4,245,365 times Combined with the fact that calling `garbage-collect' between benchmarks makes the benchmark time nearly constant, this result may or may not mean something. -- Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at