From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alain Schneble Newsgroups: gmane.emacs.devel Subject: Re: Asynchronous DNS Date: Sun, 14 Feb 2016 12:19:03 +0100 Message-ID: <86twlb5yl4.fsf@realize.ch> References: <87si1gx6wz.fsf@gnus.org> <86y4b5zvzt.fsf@gmail.com> <8760y9kwrk.fsf@gnus.org> <87wpqpjgwy.fsf@gnus.org> <83a8nk1cxk.fsf@gnu.org> <87h9hrnc8x.fsf@gnus.org> <83powfzsqt.fsf@gnu.org> <87y4b393hl.fsf@gnus.org> <83io27ytu3.fsf@gnu.org> <87k2mmzkry.fsf@gnus.org> <83k2mlyet8.fsf@gnu.org> <87lh71nriy.fsf@gnus.org> <8637t8opla.fsf@realize.ch> <871t8skg6c.fsf@gnus.org> <86y4b0n5q2.fsf@realize.ch> <87fux7gb7o.fsf@gnus.org> <83wpqjvd2f.fsf@gnu.org> <87zivfobn4.fsf@gnus.org> <86y4ao5g1c.fsf@realize.ch> <87r3ggdo9f.fsf@gnus.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1455448797 25687 80.91.229.3 (14 Feb 2016 11:19:57 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 14 Feb 2016 11:19:57 +0000 (UTC) Cc: Eli Zaretskii , emacs-devel@gnu.org To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Feb 14 12:19:46 2016 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aUuiQ-0000kS-5s for ged-emacs-devel@m.gmane.org; Sun, 14 Feb 2016 12:19:46 +0100 Original-Received: from localhost ([::1]:49665 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aUuiP-0001i4-5N for ged-emacs-devel@m.gmane.org; Sun, 14 Feb 2016 06:19:45 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47799) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aUuiI-0001gZ-LH for emacs-devel@gnu.org; Sun, 14 Feb 2016 06:19:42 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aUuiE-0002aC-Pl for emacs-devel@gnu.org; Sun, 14 Feb 2016 06:19:38 -0500 Original-Received: from clientmail.realize.ch ([46.140.89.53]:2725) by eggs.gnu.org with smtp (Exim 4.71) (envelope-from ) id 1aUui9-0002Z4-Dw; Sun, 14 Feb 2016 06:19:29 -0500 Original-Received: from rintintin.hq.realize.ch.lan.rit ([192.168.0.105]) by clientmail.realize.ch ; Sun, 14 Feb 2016 12:19:19 +0100 Original-Received: from MYNGB (192.168.66.64) by rintintin.hq.realize.ch.lan.rit (192.168.0.105) with Microsoft SMTP Server (TLS) id 15.0.516.32; Sun, 14 Feb 2016 12:19:01 +0100 In-Reply-To: <87r3ggdo9f.fsf@gnus.org> (Lars Ingebrigtsen's message of "Sun, 14 Feb 2016 13:22:36 +1100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (windows-nt) X-ClientProxiedBy: rintintin.hq.realize.ch.lan.rit (192.168.0.105) To rintintin.hq.realize.ch.lan.rit (192.168.0.105) X-detected-operating-system: by eggs.gnu.org: Windows NT kernel [generic] X-Received-From: 46.140.89.53 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:199915 Archived-At: Lars Ingebrigtsen writes: > Alain Schneble writes: > >> The following patch removes the separate dns_processes list in favour of >> reusing Vprocess_alist. The latter list is now used to loop over all >> processes -- to check if pending DNS requests have completed. >> >> Do you agree whith this change? > > Well, it changes a test in the network loop that is basically a if (! > NILP (Qnil)) in 99.9999% (plus some nines) of the cases with code that > loops through all processes in the network loop all the time. True. Seems like I was too naive. I thought that these additional cycles were negligible (even though it's O(n)...). > That doesn't seem like a good idea, performance wise. Alright. Anyway, many thanks for looking into it!