From owner-freebsd-stable@FreeBSD.ORG Thu Sep 14 16:28:03 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 404AB16A47B for ; Thu, 14 Sep 2006 16:28:03 +0000 (UTC) (envelope-from rnsanchez@gmail.com) Received: from nz-out-0102.google.com (nz-out-0102.google.com [64.233.162.207]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6FF6543D6D for ; Thu, 14 Sep 2006 16:27:57 +0000 (GMT) (envelope-from rnsanchez@gmail.com) Received: by nz-out-0102.google.com with SMTP id 13so1176482nzn for ; Thu, 14 Sep 2006 09:27:56 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:date:from:to:subject:message-id:in-reply-to:references:x-mailer:mime-version:content-type:content-transfer-encoding; b=AJkXzV3ngaKBNkPCjAveNYAqh+GxXSJr1IlagjJWaNkReTDW/TVdRRWi51BkNe+As5/zixMuzOB8KILuflLskTq8QKcf16IiqonjbCWKpjDwJ6yJxj9S6CMX+ssAhd/0AKLjMsEt4aM66BvBacqUZOwdHIgUNa3Q04GvmIC8UEU= Received: by 10.64.149.15 with SMTP id w15mr7684453qbd; Thu, 14 Sep 2006 09:27:56 -0700 (PDT) Received: from sauron.lan.box ( [201.3.138.45]) by mx.gmail.com with ESMTP id e15sm7886897qba.2006.09.14.09.27.55; Thu, 14 Sep 2006 09:27:56 -0700 (PDT) Date: Thu, 14 Sep 2006 13:27:51 -0300 From: Ricardo Nabinger Sanchez To: freebsd-stable@freebsd.org Message-Id: <20060914132751.72c76a72.rnsanchez@gmail.com> In-Reply-To: <20060914044241.GA92358@thought.org> References: <200609130905.k8D95idk062789@lurza.secnetix.de> <4507CC9B.60704@sun-fish.com> <20060913234934.GA92067@thought.org> <0B8BF03E-8F4A-4279-850B-2EA7FF5E1B89@mac.com> <20060914044241.GA92358@thought.org> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.20; i386-portbld-freebsd6.1) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: optimization levels for 6-STABLE build{kernel,world} X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Sep 2006 16:28:03 -0000 On Wed, 13 Sep 2006 21:42:41 -0700, Gary Kline wrote: > Isn't the compiler intelligent enough to have a reasonable > limit, N, of the loops it will unroll to ensure a faster runtime? Yes, and also permits the user to choose if internal heuristics should be used, user-specified loop size to unroll, and unroll-all-loops. -- Ricardo Nabinger Sanchez Powered by FreeBSD "Left to themselves, things tend to go from bad to worse."