From owner-freebsd-current@FreeBSD.ORG Thu Feb 19 00:16:57 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 152631065670 for ; Thu, 19 Feb 2009 00:16:57 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.208.78.105]) by mx1.freebsd.org (Postfix) with ESMTP id E92848FC16 for ; Thu, 19 Feb 2009 00:16:56 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (localhost.apl.washington.edu [127.0.0.1]) by troutmask.apl.washington.edu (8.14.3/8.14.3) with ESMTP id n1J0GuSE027211; Wed, 18 Feb 2009 16:16:56 -0800 (PST) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.14.3/8.14.3/Submit) id n1J0Guuj027210; Wed, 18 Feb 2009 16:16:56 -0800 (PST) (envelope-from sgk) Date: Wed, 18 Feb 2009 16:16:56 -0800 From: Steve Kargl To: Jose Amengual M Message-ID: <20090219001656.GA27187@troutmask.apl.washington.edu> References: <20090219000514.GA27045@troutmask.apl.washington.edu> <354CC169-67AB-4913-8546-7D342AE56B40@rdc.cl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <354CC169-67AB-4913-8546-7D342AE56B40@rdc.cl> User-Agent: Mutt/1.4.2.3i Cc: freebsd-current@freebsd.org Subject: Re: 7.1 amb64 boot problem after makeworld X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Feb 2009 00:16:57 -0000 On Wed, Feb 18, 2009 at 04:08:26PM -0800, Jose Amengual M wrote: > On 18-Feb-09, at 4:05 PM, Steve Kargl wrote: > >On Wed, Feb 18, 2009 at 03:18:38PM -0800, Jose Amengual M wrote: > >>CFLAGS=-O3 -pipe -fno-strict-aliasing -funroll-loops > >>COPTFLAGS=-O2 -pipe -funroll-loops -ffast-math > > > >Why? > > > > tuning ? > > just for tune up. > > I know that -O3 is not the best choice, but I read that is not harmful. > > or I'm wrong ? > Please, do not top post. -ffast-math and -funroll-loops for the kernel? -- Steve