From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Garbage collector: is 800kb a good default? Date: Fri, 10 Apr 2020 11:53:18 -0700 Organization: UCLA Computer Science Department Message-ID: <8264e895-293a-3f16-514b-d4e59f38da44@cs.ucla.edu> References: <83o8s0on41.fsf@gnu.org> <87blnzh0wz.fsf@oitofelix.com> <83blnzmglb.fsf@gnu.org> <87h7xrtcwm.fsf@oitofelix.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="107983"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 Cc: emacs-devel@gnu.org To: =?UTF-8?Q?Bruno_F=c3=a9lix_Rezende_Ribeiro?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Apr 10 20:54:01 2020 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 1jMymu-000RyF-TP for ged-emacs-devel@m.gmane-mx.org; Fri, 10 Apr 2020 20:54:00 +0200 Original-Received: from localhost ([::1]:37928 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMymt-0003da-UL for ged-emacs-devel@m.gmane-mx.org; Fri, 10 Apr 2020 14:53:59 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57364) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMymN-0003Cp-Hr for emacs-devel@gnu.org; Fri, 10 Apr 2020 14:53:28 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jMymL-0001vq-44 for emacs-devel@gnu.org; Fri, 10 Apr 2020 14:53:26 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:57676) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jMymK-0001tj-Uh; Fri, 10 Apr 2020 14:53:25 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 5CCEF1600DD; Fri, 10 Apr 2020 11:53:21 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id g8sWnRQrt-Lt; Fri, 10 Apr 2020 11:53:19 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 1ACD31600D9; Fri, 10 Apr 2020 11:53:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id HchifBi0mGTq; Fri, 10 Apr 2020 11:53:19 -0700 (PDT) Original-Received: from [192.168.1.9] (cpe-23-242-74-103.socal.res.rr.com [23.242.74.103]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id E774C1600D0; Fri, 10 Apr 2020 11:53:18 -0700 (PDT) In-Reply-To: <87h7xrtcwm.fsf@oitofelix.com> Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.io gmane.emacs.devel:246792 Archived-At: On 4/10/20 11:26 AM, Bruno F=C3=A9lix Rezende Ribeiro wrote: > Can=E2=80=99t we use an alternative allocator that do return freed memo= ry?[2] glibc malloc/free does return freed memory on occasion. See: https://sourceware.org/glibc/wiki/MallocInternals and look for "Free Algorithm".