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.devel Subject: Re: Indentation and gc Date: Wed, 15 Mar 2023 12:59:05 +0000 Message-ID: <87h6umqig6.fsf@localhost> References: <20230310110747.4hytasakomvdyf7i.ref@Ergus> <87ttyru4zt.fsf@web.de> <83fsabyb41.fsf@gnu.org> <87mt4jtpqf.fsf@web.de> <83ilf7wi48.fsf@gnu.org> <878rg3wh2f.fsf@localhost> <83cz5fwggd.fsf@gnu.org> <871qlvwg1s.fsf@localhost> <83a60jwf9l.fsf@gnu.org> <871qluuk3y.fsf@localhost> <831qluuj7e.fsf@gnu.org> <87v8j6t3i9.fsf@localhost> <83v8j6t2ib.fsf@gnu.org> <87zg8gbsch.fsf@localhost> <838rg0u0fd.fsf@gnu.org> <87wn3ky7rz.fsf@localhost> <831qlstwoi.fsf@gnu.org> <87r0tsy1c4.fsf@localhost> <83wn3jseyt.fsf@gnu.org> <87mt4eqpfd.fsf@localhost> <83zg8eqinu.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="7118"; mail-complaints-to="usenet@ciao.gmane.io" Cc: arne_bab@web.de, spacibba@aol.com, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Mar 15 13:57:46 2023 Return-path: Envelope-to: ged-emacs-devel@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 1pcQhM-0001ba-Hc for ged-emacs-devel@m.gmane-mx.org; Wed, 15 Mar 2023 13:57:44 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pcQh1-0006l3-Fe; Wed, 15 Mar 2023 08:57:23 -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 1pcQgw-0006km-9W for emacs-devel@gnu.org; Wed, 15 Mar 2023 08:57:21 -0400 Original-Received: from mout02.posteo.de ([185.67.36.66]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pcQgu-0004gt-72 for emacs-devel@gnu.org; Wed, 15 Mar 2023 08:57:17 -0400 Original-Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id AC73024081F for ; Wed, 15 Mar 2023 13:57:12 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1678885032; bh=k0CdpqCPKFQf30ljGuyR6qD/KRs0cDooNFN8xVKR9yA=; h=From:To:Cc:Subject:Date:From; b=orO634PAmDS1HVb4D4+AGfLKa9nleSJt4NHQpnxYejYpDL2gTzyrn9/fU/ckmKeke gu/A1m950oMGasVo4f/DKnlOja+eR7u8fYnSubHiQn8iJmOtoQL5xEBviS5uJRgcaa 3IyhmzB0KOi1G3QDyAEzJQF7RblpAqJ/ruis1gq2cpoAZQEezlRa8Z92aLz2kqIrqD oqRnf0qnHCQ4P4FDV4lkOn9b8NEAbiKKaN3IzvURI8XsD9DrWdZoiOBd8TfRDFIPdV cuNcElHtOiKxakoxffhXHOVtK4rUo1QFNxzm0bINDn3FLDsIT04mKGdDeEHwgCSggK l7MmDztHA3jeQ== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4Pc9Qb52Rfz9rxK; Wed, 15 Mar 2023 13:57:11 +0100 (CET) In-Reply-To: <83zg8eqinu.fsf@gnu.org> Received-SPF: pass client-ip=185.67.36.66; envelope-from=yantar92@posteo.net; helo=mout02.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:304495 Archived-At: Eli Zaretskii writes: >> Then, from what I can read, it does not look like VIRT truly represents >> how much memory Emacs is going to use. It is safe to assume that only a >> fraction of VIRT will be used in practice. > > I don't think I follow your logic. > > Emacs can have more memory in use than the physically installed > amount, it just means each GC will be painfully slow, because it will > need to swap in parts of memory and swap out other parts. In theory, > Emacs can use all the VM there is, minus what other processes and the > OS use. > > If your bother is about the "reserved" part, that is not supposed to > be large, but maybe glibc has its own ideas about that, because your > report about VIRT vs RES surprised me. Then what should we collect from user session? memory-limit represents VIRT, but it does not look terribly useful. What exactly should we use as a metric for the effects of gc-cons-threshold changes? -- Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at