From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andrea Corallo via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#46881: 28.0.50; pdumper dumping causes way too many syscalls Date: Fri, 05 Mar 2021 10:23:45 +0000 Message-ID: References: <83r1kw6b06.fsf@gnu.org> <90e99fc5-280d-63bb-9bc4-3efe89b9f9e2@dancol.org> <83a6riysnv.fsf@gnu.org> <83zgzixcfy.fsf@gnu.org> Reply-To: Andrea Corallo Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5864"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 46881@debbugs.gnu.org, Eli Zaretskii , 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 Mar 05 11:24:12 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 1lI7cx-0001OR-5X for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 05 Mar 2021 11:24:11 +0100 Original-Received: from localhost ([::1]:58098 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lI7cw-0005QT-7l for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 05 Mar 2021 05:24:10 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47552) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lI7co-0005LP-01 for bug-gnu-emacs@gnu.org; Fri, 05 Mar 2021 05:24:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:49625) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lI7cn-0003KF-Mg for bug-gnu-emacs@gnu.org; Fri, 05 Mar 2021 05:24:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lI7cn-0002I1-Jl for bug-gnu-emacs@gnu.org; Fri, 05 Mar 2021 05:24:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Andrea Corallo Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 05 Mar 2021 10:24:01 +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=B46881.16149398368790 (code B ref 46881); Fri, 05 Mar 2021 10:24:01 +0000 Original-Received: (at 46881) by debbugs.gnu.org; 5 Mar 2021 10:23:56 +0000 Original-Received: from localhost ([127.0.0.1]:32938 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lI7ci-0002Hi-2k for submit@debbugs.gnu.org; Fri, 05 Mar 2021 05:23:56 -0500 Original-Received: from mx.sdf.org ([205.166.94.24]:58264) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lI7cg-0002HZ-BT for 46881@debbugs.gnu.org; Fri, 05 Mar 2021 05:23:55 -0500 Original-Received: from mab (ma.sdf.org [205.166.94.33]) by mx.sdf.org (8.15.2/8.14.5) with ESMTPS id 125ANjC3003950 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits) verified NO); Fri, 5 Mar 2021 10:23:45 GMT In-Reply-To: (Pip Cet's message of "Fri, 5 Mar 2021 09:54:32 +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:201517 Archived-At: Pip Cet writes: [...] > By preparing the data in memory and writing it in one go, which > doesn't require any of the major complications of implementing > buffered streams. Preparing data in memory might also be seen as a small step in the direction of having pdumper as a generic de/serializer. IMO would be helpful for a number of tasks (native compiler included). Andrea