From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Indentation and gc Date: Mon, 13 Mar 2023 18:52:49 +0200 Message-ID: <833568twym.fsf@gnu.org> References: <20230310110747.4hytasakomvdyf7i.ref@Ergus> <20230310110747.4hytasakomvdyf7i@Ergus> <87a60k657y.fsf@web.de> <838rg4zmg9.fsf@gnu.org> <87ttys4dge.fsf@web.de> <83sfebyepp.fsf@gnu.org> <87ttyru4zt.fsf@web.de> <83fsabyb41.fsf@gnu.org> <87mt4jtpqf.fsf@web.de> <83ilf7wi48.fsf@gnu.org> <878rg3wh2f.fsf@localhost> <87a60jtg0z.fsf@web.de> <877cvmumjq.fsf@localhost> <83356aukkh.fsf@gnu.org> <87y1o2t45i.fsf@localhost> <83wn3mt33c.fsf@gnu.org> <873568d7ac.fsf@localhost> <83a60gu0ma.fsf@gnu.org> <87zg8gy81r.fsf@localhost> <837cvku0cg.fsf@gnu.org> <87ttyoy6vy.fsf@localhost> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="19577"; mail-complaints-to="usenet@ciao.gmane.io" Cc: arne_bab@web.de, spacibba@aol.com, emacs-devel@gnu.org To: Ihor Radchenko Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Mar 13 17:53:45 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 1pblQe-0004sF-Lz for ged-emacs-devel@m.gmane-mx.org; Mon, 13 Mar 2023 17:53:44 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pblQM-0007vS-QU; Mon, 13 Mar 2023 12:53:26 -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 1pblQ9-0007so-3w for emacs-devel@gnu.org; Mon, 13 Mar 2023 12:53:13 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pblQ8-00008f-JT; Mon, 13 Mar 2023 12:53:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=1FZ5hGDkmzWO+Y8equBY9vSnbON5+AzQVDUF+AzPeS4=; b=FaHhcjF7ZVZK boV/2wuOrrriKsm9WBnlnQEBxFS2nPCabq+tSvGjlNg/rqr5mA3AL8igvXSnmc/2iUqgiAtBw8mpp uj/VZVpKszFrd7yQg1nIBbyNfhYbJiHAkNaYM9DPGWmrp6jcqIr6CtgHmEDOgOZSVJ69NyLoCB8jI mvFvXNpxrDIttqo1BB6eg6lnU5y8pd7wETsJ0y2vpHEsMLiNRvgbHwM+EaHtkE/w2QxBjreliRhvl wnLLqDODD3sbM7Qwq7xs5ORB6zUZVN4Y/cHQw5R6N5w+jMymFgXDdkdFbMz+UF1uWYi9reD8XJrvA x7McpIztE3yhyZWwAp7wIg==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pblPu-0001Sc-Qs; Mon, 13 Mar 2023 12:53:12 -0400 In-Reply-To: <87ttyoy6vy.fsf@localhost> (message from Ihor Radchenko on Mon, 13 Mar 2023 16:04:49 +0000) 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:304407 Archived-At: > From: Ihor Radchenko > Cc: arne_bab@web.de, spacibba@aol.com, emacs-devel@gnu.org > Date: Mon, 13 Mar 2023 16:04:49 +0000 > > Eli Zaretskii writes: > > >> So, fragmentation? Or do we mis-communicate? > >> For me, memory fragmentation is when memory cannot be released to OS > >> and/or cannot be re-used to store new objects. > > > > Fragmentation is the latter, not the former. > > Noted. Can we measure fragmentation from Elisp? I think only on glibc platforms, where we have malloc-info. The output will need to be post-processed by some code, based on expert knowledge of what the numbers mean. > Does memory-limit include the fragmented memory segments? I think it does, although it's system-dependent. It's basically what 'top' shows as VSIZE.