From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: VanL Newsgroups: gmane.emacs.devel Subject: [OffTopic] Re: Crashes in "C-h h" Date: Thu, 11 Jul 2019 23:10:03 +1000 Message-ID: References: <83y31hes6r.fsf@gnu.org> <83r279epwe.fsf@gnu.org> <09f72051-d740-9115-c6fd-c4344c749568@cs.ucla.edu> <83muhvd9nm.fsf@gnu.org> <9b78b85d-a3c8-761f-e500-d51d4a985fa8@cs.ucla.edu> <83k1cybk8c.fsf@gnu.org> <83ef36ar0p.fsf@gnu.org> <5e9b9214-4ccd-68a4-2016-7ac3ea8a06d9@cs.ucla.edu> <83wogwapf7.fsf@gnu.org> <83sgrkanbo.fsf@gnu.org> <837e8vabdu.fsf@gnu.org> <5f4f3bf0-c3df-c327-eb01-95444b18360b@cs.ucla.edu> Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="163323"; mail-complaints-to="usenet@blaine.gmane.org" Cc: emacs-devel@gnu.org To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Jul 11 15:10:56 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hlYqd-000gJF-Qr for ged-emacs-devel@m.gmane.org; Thu, 11 Jul 2019 15:10:55 +0200 Original-Received: from localhost ([::1]:41660 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hlYqc-0004i2-Mr for ged-emacs-devel@m.gmane.org; Thu, 11 Jul 2019 09:10:54 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36840) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hlYqK-0004DG-EZ for emacs-devel@gnu.org; Thu, 11 Jul 2019 09:10:37 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hlYqJ-0001NA-0y for emacs-devel@gnu.org; Thu, 11 Jul 2019 09:10:36 -0400 Original-Received: from relay7-d.mail.gandi.net ([217.70.183.200]:59849) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hlYqI-00019Q-QG for emacs-devel@gnu.org; Thu, 11 Jul 2019 09:10:34 -0400 X-Originating-IP: 110.175.193.118 Original-Received: from epi.local (110-175-193-118.static.tpgi.com.au [110.175.193.118]) (Authenticated sender: van@scratch.space) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id 5A2FB2000A; Thu, 11 Jul 2019 13:10:07 +0000 (UTC) In-Reply-To: <5f4f3bf0-c3df-c327-eb01-95444b18360b@cs.ucla.edu> X-Mailer: Apple Mail (2.3124) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 217.70.183.200 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:238508 Archived-At: > On 7 Jul 2019, at 00:30, Paul Eggert wrote: >=20 > CPUs differ in how they do branch prediction. On a scale of zero to one where zero is your pdp-10 1966 = one-megabyte-one-MIPS machine and where one is your pentium-m 2006 = one-gigabyte-7400-MIPS machine, measuring raw branch prediction = performance, where do you put along that line the 2019 Boeing CPU for = MCAS fielded in the 737max8 and 2019 Tesla CPU for Autonomy fielded in = the Model S?=