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: Re: Crashes in "C-h h" Date: Sat, 06 Jul 2019 19:12:18 +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> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="23574"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (darwin) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Jul 06 11:13:04 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 1hjgkh-00062M-U8 for ged-emacs-devel@m.gmane.org; Sat, 06 Jul 2019 11:13:04 +0200 Original-Received: from localhost ([::1]:58448 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hjgkg-00021A-Vk for ged-emacs-devel@m.gmane.org; Sat, 06 Jul 2019 05:13:02 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50884) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hjgk7-000213-S6 for emacs-devel@gnu.org; Sat, 06 Jul 2019 05:12:28 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hjgk7-0006Wb-1M for emacs-devel@gnu.org; Sat, 06 Jul 2019 05:12:27 -0400 Original-Received: from 195-159-176-226.customer.powertech.no ([195.159.176.226]:34546 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hjgk6-0006VI-R3 for emacs-devel@gnu.org; Sat, 06 Jul 2019 05:12:26 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.89) (envelope-from ) id 1hjgk4-0005Mq-K2 for emacs-devel@gnu.org; Sat, 06 Jul 2019 11:12:24 +0200 X-Injected-Via-Gmane: http://gmane.org/ Cancel-Lock: sha1:I6wVf9GWl5Ip9vJXM3pw/J/3kkM= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 195.159.176.226 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:238376 Archived-At: Eli Zaretskii writes: >> It is amusing that those benchmarks yield such wildly-different >> results on different CPUs, though. > > That's a mystery in itself, yes. Whether we want to pursue it is > another matter, as it seems to involve subtle aspects of code > generation on modern CPUs, something we aren't the best specialists > in. Does the mystery lie below the assembly code in microcode? A rule of thump performant comparison between the latest Intel v. AMD offerings is good to know. In one market purchase orders are at parity 50-50.