From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.emacs.gnus.general/78712 Path: news.gmane.org!not-for-mail From: Julien Danjou Newsgroups: gmane.emacs.gnus.general Subject: Re: Asynchroneous image retrieval in HTML rendering Date: Thu, 05 May 2011 12:58:24 +0200 Message-ID: References: <87bozwfw84.fsf@gmail.com> <87r58ll8jm.fsf@gmail.com> <87liys4x04.fsf@gmail.com> <87tydewilm.fsf@gmail.com> <87liyp35fy.fsf@gmail.com> <87k4e92eyx.fsf@gmail.com> <87k4e5h18p.fsf@lifelogs.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" X-Trace: dough.gmane.org 1304593147 15793 80.91.229.12 (5 May 2011 10:59:07 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 5 May 2011 10:59:07 +0000 (UTC) Cc: ding@gnus.org To: Ted Zlatanov Original-X-From: ding-owner+M27014@lists.math.uh.edu Thu May 05 12:59:03 2011 Return-path: Envelope-to: ding-account@gmane.org Original-Received: from util0.math.uh.edu ([129.7.128.18]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1QHwGr-0003Ys-Ur for ding-account@gmane.org; Thu, 05 May 2011 12:59:02 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.math.uh.edu) by util0.math.uh.edu with smtp (Exim 4.63) (envelope-from ) id 1QHwGR-0003QU-RA; Thu, 05 May 2011 05:58:35 -0500 Original-Received: from mx1.math.uh.edu ([129.7.128.32]) by util0.math.uh.edu with esmtps (TLSv1:AES256-SHA:256) (Exim 4.63) (envelope-from ) id 1QHwGQ-0003QL-LI for ding@lists.math.uh.edu; Thu, 05 May 2011 05:58:34 -0500 Original-Received: from quimby.gnus.org ([80.91.231.51]) by mx1.math.uh.edu with esmtps (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1QHwGQ-0006eE-BG for ding@lists.math.uh.edu; Thu, 05 May 2011 05:58:35 -0500 Original-Received: from prometheus.naquadah.org ([212.85.154.174] helo=mx1.naquadah.org) by quimby.gnus.org with esmtp (Exim 4.72) (envelope-from ) id 1QHwGN-0002Rv-Ei for ding@gnus.org; Thu, 05 May 2011 12:58:31 +0200 Original-Received: from cigue.easter-eggs.fr (coquelicot-a.easter-eggs.com [82.235.59.105]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mx1.naquadah.org (Postfix) with ESMTPSA id C36CA5C14B; Thu, 5 May 2011 12:58:25 +0200 (CEST) Mail-Followup-To: Ted Zlatanov , ding@gnus.org In-Reply-To: <87k4e5h18p.fsf@lifelogs.com> (Ted Zlatanov's message of "Thu, 05 May 2011 05:48:22 -0500") User-Agent: Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.50 (gnu/linux) X-Spam-Score: -1.9 (-) List-ID: Precedence: bulk Xref: news.gmane.org gmane.emacs.gnus.general:78712 Archived-At: --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Thu, May 05 2011, Ted Zlatanov wrote: > Has anyone tested to see if DNS lookups are actually a problem? Test an > entirely local page vs. a page with lots of remote image URLs. I don't > see a difference on my machine. In a web browser? Because they are parallelized and/or multi-threaded, maybe? > Typically DNS lookups are very fast and HTML pages don't have a huge mix > of domains for the images they reference, so I think this is wasted > effort *for the specific purpose of rendering HTML faster*. I can't > think of any practical uses within Emacs for async DNS lookups, either. I may be wrong, but I disagree: they are usually fast, except when there is a problem or you're behind a very slow link. Just because they are serialized and synchronous. OTOH, I agree that the only useful place for this enhancement is probably HTML rendering=E2=80=A6 =2D-=20 Julien Danjou =E2=9D=B1 http://julien.danjou.info --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBAgAGBQJNwoLQAAoJEGEbqVCLeKXC1zcQAIpUFWctauibGmgduog6oZJF t1i0WufiS9NWe5+VATsoUioPV6sZQqX+RtQapWv8XeANmdboGCh7fhJut6HeKq+D KSdIfoe/AmUQ8Jqhzp2rEt6YZjB+Oo3FtiPQkhwoBKpO+yc+fP9sJ9I3iQJEGheW eaWqYHtdMNTDShB2vrrmnY78meJwx/8yAraeAv5dPhS+2mkX+yCMD6a11DLDjMFY 5ho1QTb6A3scwYVf9CmMvQNkMWx5whlK825sj+juZYzJ3+pstCMdtRInbNN2cCJw sxhewENq+GpcWI3nj9JTFSl26oIlF5r8TGd3Ta150dbwXV1l1an7jj9uAEj2aXHJ bPF5zBHPK4jm9mEeP5hc+GxSErHBdhncejFFVWAJIMjmegXUK2/szmknohO7H+6T 0GVECm5Bj/KqUlDXSejHTV4cuN90yO8li6HZubPx4w3WeURLCkCAiBLhUwX2Sr2K oh7ynPaHAZD7CV21XFNKEZ+qgipsM4od/jYw3Ugcxi5kT59+iEeVNJsdm2X0z9hA TWbe+IMwxCpjAlnYKN1LZdxWcNu7J0oWf1eD7AUSqkjiIR1QGejGGnBbh0SlLyYj ANv0E/RIKuVB+YnthHLxXnZJviV5Wf1OH3Q1j/g1e6T2Dd8JyS97F2d5ooZB8OAZ 8t7HIbWzA83F16KVmRtI =uERS -----END PGP SIGNATURE----- --=-=-=--