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.bugs Subject: bug#36649: 27.0.50; pure space and pdumper Date: Fri, 21 Aug 2020 16:47:20 +0300 Message-ID: <83d03kaz6f.fsf@gnu.org> References: <87a6yo5fgy.fsf@gnus.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6152"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 36649@debbugs.gnu.org, larsi@gnus.org, eggert@cs.ucla.edu To: Pip Cet Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Aug 21 15:48:17 2020 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 1k97Oy-0001OB-3i for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 21 Aug 2020 15:48:16 +0200 Original-Received: from localhost ([::1]:58570 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k97Ox-0001dY-6F for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 21 Aug 2020 09:48:15 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49410) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k97Ok-0001PP-9k for bug-gnu-emacs@gnu.org; Fri, 21 Aug 2020 09:48:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:33906) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k97Ok-0001l1-08 for bug-gnu-emacs@gnu.org; Fri, 21 Aug 2020 09:48:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1k97Oj-0001tr-V1 for bug-gnu-emacs@gnu.org; Fri, 21 Aug 2020 09:48:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 21 Aug 2020 13:48:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 36649 X-GNU-PR-Package: emacs Original-Received: via spool by 36649-submit@debbugs.gnu.org id=B36649.15980176536495 (code B ref 36649); Fri, 21 Aug 2020 13:48:01 +0000 Original-Received: (at 36649) by debbugs.gnu.org; 21 Aug 2020 13:47:33 +0000 Original-Received: from localhost ([127.0.0.1]:45452 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k97OH-0001gT-7y for submit@debbugs.gnu.org; Fri, 21 Aug 2020 09:47:33 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:39104) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k97OG-0001cH-5s for 36649@debbugs.gnu.org; Fri, 21 Aug 2020 09:47:32 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:43608) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k97OA-0001i8-3M; Fri, 21 Aug 2020 09:47:26 -0400 Original-Received: from [176.228.60.248] (port=3809 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1k97O9-0008Bl-CT; Fri, 21 Aug 2020 09:47:25 -0400 In-Reply-To: (message from Pip Cet on Fri, 21 Aug 2020 13:04:47 +0000) 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" Xref: news.gmane.io gmane.emacs.bugs:185864 Archived-At: > From: Pip Cet > Date: Fri, 21 Aug 2020 13:04:47 +0000 > Cc: 36649@debbugs.gnu.org, Paul Eggert > > On Fri, Aug 21, 2020 at 12:52 PM Lars Ingebrigtsen wrote: > > I didn't read this thread closely, but it seems like the conclusion that > > this patch should have been applied. (It removes pure space, > > apparently?) > > > > The patch never was applied, though -- should it be applied now? > > I believe it's best to be careful with this one. Pure space affects GC > in subtle ways, and it also affects performance. > > See this thread: > https://lists.gnu.org/archive/html/emacs-devel/2019-07/msg00588.html > > I'd be happy to set up a separate branch for removing pure space if > that's preferred. What do we do with unexec builds, which are still supported? Remove that support? or ignore the possibility of an unexec build?