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#66117: 30.0.50; `find-buffer-visiting' is slow when opening large number of buffers Date: Wed, 04 Oct 2023 10:58:52 +0000 Message-ID: <8734yqodqr.fsf@localhost> References: <878r919qfh.fsf@localhost> <72c93fb0-bf3e-3dad-69c0-2147cfa40f57@gutov.dev> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="37775"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 66117@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Oct 04 12:58:10 2023 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 1qnzZw-0009Tu-TG for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 04 Oct 2023 12:58:09 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qnzZr-0006RK-Px; Wed, 04 Oct 2023 06:58:04 -0400 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 1qnzZa-0006Li-0d for bug-gnu-emacs@gnu.org; Wed, 04 Oct 2023 06:57:47 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qnzZZ-0006rb-O1 for bug-gnu-emacs@gnu.org; Wed, 04 Oct 2023 06:57:45 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1qnzZq-00058i-Dy for bug-gnu-emacs@gnu.org; Wed, 04 Oct 2023 06:58:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Ihor Radchenko Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 04 Oct 2023 10:58:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 66117 X-GNU-PR-Package: emacs Original-Received: via spool by 66117-submit@debbugs.gnu.org id=B66117.169641706319718 (code B ref 66117); Wed, 04 Oct 2023 10:58:02 +0000 Original-Received: (at 66117) by debbugs.gnu.org; 4 Oct 2023 10:57:43 +0000 Original-Received: from localhost ([127.0.0.1]:41688 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qnzZX-00057v-5y for submit@debbugs.gnu.org; Wed, 04 Oct 2023 06:57:43 -0400 Original-Received: from mout01.posteo.de ([185.67.36.65]:52483) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qnzZT-00057b-LZ for 66117@debbugs.gnu.org; Wed, 04 Oct 2023 06:57:41 -0400 Original-Received: from submission (posteo.de [185.67.36.169]) by mout01.posteo.de (Postfix) with ESMTPS id 119A9240028 for <66117@debbugs.gnu.org>; Wed, 4 Oct 2023 12:57:15 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1696417036; bh=TOO4UrA4ZT3i3ms6tfisJ/v7Ar+dJ/uqLLgM7SrKbtY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:From; b=Hv8FffX0CsraWQ8AFRoyuE0Ci6cnmE7HKx6qI8rrKCeI7O+L1njn4Ul2M4PBrRZg2 E5fkqF/X87TdG9ygYToboTiLd47BKunoX1XhriJn4lY3yP9VniqVE+Gls0mTO1VzLQ ujaqRRWxu0I8odw6aHoSIV4oC2SC+zGMnWDMoR9BTmcrsHbA6FMQCx59TTFfwx48JR D6amEvy4EWKcdJTjtPoxen6Pp0gAC3paKHCChNSFU8lUX2M2NQ1CsV6ej1yxShIaHU LG36fBMFvt6pQAqhzi1y3JqwePAIYGLvY3x24+fGsZOtVgd/DjSt2g3VLRrzqm6TW/ x/4GyNEXpH+wg== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4S0s8W38ngz6tv5; Wed, 4 Oct 2023 12:57:15 +0200 (CEST) In-Reply-To: <72c93fb0-bf3e-3dad-69c0-2147cfa40f57@gutov.dev> 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:271791 Archived-At: Dmitry Gutov writes: >> Would it be possible to implement some kind of caching mechanism to be >> used by `find-buffer-visiting'? > > I'm guessing you Cc'd me because of an existing comment inside xref.el? > As you can see I decided not to use this function there, but even > get-file-buffer wasn't as fast as I would've wanted, so there's a > quick-and-dirty caching solution for sequential lookups (which assumes > that the same file would be looked up multiple times in a row). It looks like my example is quite different from yours. Do you have a reproducer demonstrating `get-file-buffer' being slow? -- Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at