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.devel Subject: Re: Emacs HTTP libraries [was: Re: How to contribute new package to GNU ELPA?] Date: Tue, 22 Dec 2020 05:35:16 +0200 Message-ID: <831rfisebv.fsf@gnu.org> References: <87zh26g1lf.fsf@posteo.net> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39153"; mail-complaints-to="usenet@ciao.gmane.io" Cc: adam@alphapapa.net, rms@gnu.org, arthur.miller@live.com, emacs-devel@gnu.org To: "Philip K." Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Dec 22 04:36:53 2020 Return-path: Envelope-to: ged-emacs-devel@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 1krYTk-000A5h-G8 for ged-emacs-devel@m.gmane-mx.org; Tue, 22 Dec 2020 04:36:52 +0100 Original-Received: from localhost ([::1]:55866 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1krYTj-0004D1-Gj for ged-emacs-devel@m.gmane-mx.org; Mon, 21 Dec 2020 22:36:51 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52268) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1krYSZ-0002rK-Mx for emacs-devel@gnu.org; Mon, 21 Dec 2020 22:35:40 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:51054) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1krYSX-0004wG-9s; Mon, 21 Dec 2020 22:35:38 -0500 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2033 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1krYSO-0006am-LK; Mon, 21 Dec 2020 22:35:29 -0500 In-Reply-To: <87zh26g1lf.fsf@posteo.net> (philipk@posteo.net) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:261460 Archived-At: > From: "Philip K." > Cc: arthur.miller@live.com, adam@alphapapa.net, rms@gnu.org, > emacs-devel@gnu.org > Date: Tue, 22 Dec 2020 00:51:08 +0100 > > >> > Before this is taken as an indication that using one of these > >> > libraries will automagically make Emacs as fast as the applications > >> > like curl, we should carefully profile url.el and find out which > >> > part(s) of it cause the slowness. Because it could well be that what > >> > makes url.el slow will also make Emacs using libcurl slow. > >> > >> Maybe this library can be of help while testing/profiling > > > > We have a built-in profiler in Emacs. > > In that case, gnutls-negotiate seems to be the most suspicious function, > using over 50%-60% of the CPU time, at least on my machine. This also > makes sense, as TLS sites seem to take longer to load than regular, > non-encrypted ones. Please show the code you profiled and the fully expanded profile.