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#46881: 28.0.50; pdumper dumping causes way too many syscalls Date: Tue, 15 Jun 2021 16:30:36 +0300 Message-ID: <83lf7b45mr.fsf@gnu.org> References: <48FDB44E-7C67-49F7-BD77-5DE99806B09F@acm.org> <7cf519e8-b3a5-f41b-f1aa-e270145df7ba@dancol.org> <83o8c746qz.fsf@gnu.org> <87wnqvuv0g.fsf@gnus.org> <17a0fd97f30.2816.cc5b3318d7e9908e2c46732289705cb0@dancol.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20749"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 46881@debbugs.gnu.org, mattiase@acm.org, larsi@gnus.org, eggert@cs.ucla.edu, pipcet@gmail.com To: Daniel Colascione Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jun 15 15:31:14 2021 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 1lt99t-0005DM-Ch for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 15 Jun 2021 15:31:13 +0200 Original-Received: from localhost ([::1]:57762 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lt99r-0001FN-Uv for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 15 Jun 2021 09:31:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57316) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lt99i-0001EH-Qd for bug-gnu-emacs@gnu.org; Tue, 15 Jun 2021 09:31:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:37169) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lt99i-0006o9-IH for bug-gnu-emacs@gnu.org; Tue, 15 Jun 2021 09:31:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lt99i-0007jR-FX for bug-gnu-emacs@gnu.org; Tue, 15 Jun 2021 09:31:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 15 Jun 2021 13:31:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 46881 X-GNU-PR-Package: emacs Original-Received: via spool by 46881-submit@debbugs.gnu.org id=B46881.162376385129701 (code B ref 46881); Tue, 15 Jun 2021 13:31:02 +0000 Original-Received: (at 46881) by debbugs.gnu.org; 15 Jun 2021 13:30:51 +0000 Original-Received: from localhost ([127.0.0.1]:48715 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lt99W-0007iz-Rk for submit@debbugs.gnu.org; Tue, 15 Jun 2021 09:30:51 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:59324) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lt99V-0007im-6S for 46881@debbugs.gnu.org; Tue, 15 Jun 2021 09:30:49 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:53646) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lt99O-0006Xb-GC; Tue, 15 Jun 2021 09:30:42 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:4241 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 1lt99K-0004Y8-PW; Tue, 15 Jun 2021 09:30:41 -0400 In-Reply-To: <17a0fd97f30.2816.cc5b3318d7e9908e2c46732289705cb0@dancol.org> (message from Daniel Colascione on Tue, 15 Jun 2021 06:25:50 -0700) 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:208539 Archived-At: > From: Daniel Colascione > CC: , , <46881@debbugs.gnu.org>, > Date: Tue, 15 Jun 2021 06:25:50 -0700 > > >> That's what I preferred (still do), but Lars thought that the slightly > >> faster version without stdio was preferable. > > > > Well, it's 30% faster in a single-threaded phase of the compilation, so > > it seems like a significant improvement to me. > > > > -- > > (domestic pets only, the antidote for overdose, milk.) > > bloggy blog: http://lars.ingebrigtsen.n > > The in-memory version is 30% faster than the FILE* version or 30% faster > than the current write () version? The former, see https://debbugs.gnu.org/cgi/bugreport.cgi?bug=46881#56