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: Sat, 07 Oct 2023 11:43:38 +0000 Message-ID: <87cyxqzmhh.fsf@localhost> References: <878r919qfh.fsf@localhost> <72c93fb0-bf3e-3dad-69c0-2147cfa40f57@gutov.dev> <875y42xyex.fsf@localhost> <87zg1ewfc2.fsf@localhost> <834jjm749q.fsf@gnu.org> <87cyyawd1a.fsf@localhost> <83pm2a5k85.fsf@gnu.org> <87wmwh2tae.fsf@localhost> <83zg1d468w.fsf@gnu.org> <87bkdr2651.fsf@localhost> <87pm2584oz.fsf@localhost> <83cyy11ln1.fsf@gnu.org> <87lecp84mf.fsf@localhost> <83ttrdx8j9.fsf@gnu.org> <87a5su261p.fsf@localhost> <838r8e24yy.fsf@gnu.org> <87y1gezspg.fsf@localhost> <834jj21z05.fsf@gnu.org> <87il7izo4l.fsf@localhost> <831qe61xrh.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4123"; mail-complaints-to="usenet@ciao.gmane.io" Cc: dmitry@gutov.dev, 66117@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Oct 07 13:43:10 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 1qp5iA-0000vr-29 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 07 Oct 2023 13:43:10 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qp5hu-0001xj-O2; Sat, 07 Oct 2023 07:42:54 -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 1qp5hl-0001wj-98 for bug-gnu-emacs@gnu.org; Sat, 07 Oct 2023 07:42:47 -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 1qp5hj-0007eN-8F for bug-gnu-emacs@gnu.org; Sat, 07 Oct 2023 07:42:43 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1qp5i2-0005Ry-8F for bug-gnu-emacs@gnu.org; Sat, 07 Oct 2023 07:43:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Ihor Radchenko Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 07 Oct 2023 11:43:02 +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=B66117.169667895020909 (code B ref 66117); Sat, 07 Oct 2023 11:43:02 +0000 Original-Received: (at 66117) by debbugs.gnu.org; 7 Oct 2023 11:42:30 +0000 Original-Received: from localhost ([127.0.0.1]:53500 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qp5hW-0005RB-8I for submit@debbugs.gnu.org; Sat, 07 Oct 2023 07:42:30 -0400 Original-Received: from mout02.posteo.de ([185.67.36.66]:46937) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qp5hT-0005Qv-Nv for 66117@debbugs.gnu.org; Sat, 07 Oct 2023 07:42:28 -0400 Original-Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id 64968240104 for <66117@debbugs.gnu.org>; Sat, 7 Oct 2023 13:42:02 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1696678922; bh=ZIyTsmaKnB4aoNRdfcsXZOzSIloB+LKm/3xKmzCqCLI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:From; b=WAm79onHOp1ruef+1Ml+YXMZ+vBlParC+aEQdhyTg8Pl41SKVE2DUojJ4BgEFq9jB f9cEFnSW45kUuLSISVwv2W5ii3QPsGDP9QP3DO1Bpt7DgmGbYFobqqI7X/pmKNpAFT RMet5sbO1F19VCAPduZ4+R5xrlfbMtphFcMOeg/VCn2ffVWYNP8KX34OICp+LGfSpe wmkLDEOlckIeZmlFgxqjIlk2eewfgotfmmrusZzqjJii/zUKR+V1IQVZpTTZf11Jqj ZgYrS3ZTdMGn4hxIVL6FNe7vvdGoxxEKPTsuVnZO+uNHyRq5c+uQ3aATrRW0WIRsHA cgWa/Gu+GB3XQ== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4S2k0n1yFGz9rxG; Sat, 7 Oct 2023 13:42:01 +0200 (CEST) In-Reply-To: <831qe61xrh.fsf@gnu.org> 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:271996 Archived-At: Eli Zaretskii writes: >> Eli Zaretskii writes: >> >> > So in C this is: >> > >> > list2 (INT_TO_INTEGER (s.st_ino), INT_TO_INTEGER (s.st_dev)); >> >> But how to get `s'? Do you mean that we should re-run `sys_fstat' on >> every buffer? That's slow (query to FS), isn't it? > > No, it's very fast, at least on Posix hosts. But if we decide it > isn't fast enough, we can record that in the buffer when the file is > visited. I am mostly concerned about network FS, where any file operation can be slow. -- Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at