From owner-svn-src-all@FreeBSD.ORG Tue Feb 10 16:19:16 2009 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 31E711065670 for ; Tue, 10 Feb 2009 16:19:16 +0000 (UTC) (envelope-from nick@van-laarhoven.org) Received: from hpsmtp-eml15.kpnxchange.com (hpsmtp-eml15.KPNXCHANGE.COM [213.75.38.115]) by mx1.freebsd.org (Postfix) with ESMTP id B60F18FC1C for ; Tue, 10 Feb 2009 16:19:15 +0000 (UTC) (envelope-from nick@van-laarhoven.org) Received: from cpsmtp-eml109.kpnxchange.com ([10.94.168.109]) by hpsmtp-eml15.kpnxchange.com with Microsoft SMTPSVC(6.0.3790.3959); Tue, 10 Feb 2009 17:07:11 +0100 Received: from uitsmijter.van-laarhoven.org ([81.207.207.222]) by cpsmtp-eml109.kpnxchange.com with Microsoft SMTPSVC(6.0.3790.3959); Tue, 10 Feb 2009 17:07:11 +0100 Received: from van-laarhoven.org (hind.van-laarhoven.org [10.66.0.146]) (authenticated bits=0) by uitsmijter.van-laarhoven.org (8.14.3/8.14.3) with ESMTP id n1AG8U6C009881 for ; Tue, 10 Feb 2009 17:08:30 +0100 (CET) (envelope-from nick@van-laarhoven.org) Received: (nullmailer pid 58250 invoked by uid 1001); Tue, 10 Feb 2009 16:07:04 -0000 From: Nick Hibma To: svn-src-all@freebsd.org Date: Tue, 10 Feb 2009 17:07:03 +0100 User-Agent: KMail/1.9.10 References: <200902101511.n1AFBQXx096922@svn.freebsd.org> <1234279584.65150.13.camel@bauer.cse.buffalo.edu> <9bbcef730902100753p484d633j29829019064e71bf@mail.gmail.com> In-Reply-To: <9bbcef730902100753p484d633j29829019064e71bf@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200902101707.03977.nick@van-laarhoven.org> X-Spam-Status: No, score=-3.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_05 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on uitsmijter.van-laarhoven.org X-OriginalArrivalTime: 10 Feb 2009 16:07:11.0607 (UTC) FILETIME=[A1B5C070:01C98B99] Subject: Re: svn commit: r188439 - head/release X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Feb 2009 16:19:16 -0000 > 2009/2/10 Ken Smith : > > I wouldn't mind if it got turned on but that's just the first of two > > questions. The second question is what to set it to. What's best for > > that depends on how many CPUs you've got and/or how much of your > > machine you want the build to consume (you might want to be doing other > > stuff on the machine while the build is running...). IMHO it might be > > best to just leave it as-is and let anyone interested in getting better > > performance set it to what's appropriate for their machine but if > > others feel differently I won't object. > > I was think more about the semi-supported state that the -jX > traditionally has - it's usually something like "yes, it's there and > probably everyone uses it but we won't even suggest it actually > works". Having it on in the official release process will signal > official support to users and encourage them to use it. With the advent of multiple cores it is well worth doing at least a -j`sysctl -n kern.smp.cpus` (assuming that value is always available, even in the non-SMP case) so the parallel build gets exercised. Nick