From owner-freebsd-hackers@FreeBSD.ORG Tue Mar 29 11:24:48 2005 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D1BD116A4CE for ; Tue, 29 Mar 2005 11:24:48 +0000 (GMT) Received: from mailout09.sul.t-online.com (mailout09.sul.t-online.com [194.25.134.84]) by mx1.FreeBSD.org (Postfix) with ESMTP id CCB8A43D5A for ; Tue, 29 Mar 2005 11:24:47 +0000 (GMT) (envelope-from Alexander@Leidinger.net) Received: from fwd25.aul.t-online.de by mailout09.sul.t-online.com with smtp id 1DGEpy-0004ko-03; Tue, 29 Mar 2005 13:24:46 +0200 Received: from Andro-Beta.Leidinger.net (Xd36AaZDoeq5zDt9jZw2+SDJKCVqXU5y7p05nuO8py5fccHhZx6LYi@[217.229.214.41]) by fwd25.sul.t-online.de with esmtp id 1DGEpn-1hfjGa0; Tue, 29 Mar 2005 13:24:35 +0200 Received: from localhost (localhost [127.0.0.1])j2TBNA15039526; Tue, 29 Mar 2005 13:23:10 +0200 (CEST) (envelope-from Alexander@Leidinger.net) Received: from 141.113.101.32 ([141.113.101.32]) by netchild.homeip.net (Horde) with HTTP for ; Tue, 29 Mar 2005 13:23:09 +0200 Message-ID: <20050329132309.v3ylwk2pesk8g80c@netchild.homeip.net> X-Priority: 3 (Normal) Date: Tue, 29 Mar 2005 13:23:09 +0200 From: Alexander Leidinger To: jason henson References: <423C15C5.6040902@fsn.hu> <20050327133059.3d68a78c@Magellan.Leidinger.net> <20050327134044.GM78512@silverwraith.com><4248B723.80907@ec.rr.com> In-Reply-To: <4248B723.80907@ec.rr.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: 7bit User-Agent: Internet Messaging Program (IMP) H3 (4.0.2) / FreeBSD-4.11 X-ID: Xd36AaZDoeq5zDt9jZw2+SDJKCVqXU5y7p05nuO8py5fccHhZx6LYi@t-dialin.net X-TOI-MSGID: 2cbaeee2-de4a-4b38-aa5a-d9ca5dcb4a4f X-Mailman-Approved-At: Tue, 29 Mar 2005 13:05:56 +0000 cc: hackers@freebsd.org Subject: Re: 5-STABLE kernel build with icc broken X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Mar 2005 11:24:49 -0000 jason henson wrote: > >Various: > > - auto-vectorizer (no benefit for the kernel, since we can't use > > FPU/SIMD instructions at any time... yet (interested hackers can > > have a look how DragonFly handles it, I can provide the necessary > > commit logs)) > > > > Are you implying DragonFly uses FPU/SIMD? For that matter does any kernel? AFAIK DragonFly _allows_ code to use the FPU/SIMD in the kernel. And AFAIR they use SIMD in b{copy,zero} (we do this too, but we do this is in a "controlled environment" whereas DFly just allows the use of FPU/SIMD in an "use as you like" manner everywhere). Bye, Alexander. -- http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137 Closet extrovert.