From owner-freebsd-questions@FreeBSD.ORG Sat Oct 30 12:17:13 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id F012916A4CF for ; Sat, 30 Oct 2004 12:17:13 +0000 (GMT) Received: from fep2.cogeco.net (smtp.cogeco.net [216.221.81.25]) by mx1.FreeBSD.org (Postfix) with ESMTP id BCA9A43D41 for ; Sat, 30 Oct 2004 12:17:13 +0000 (GMT) (envelope-from bbobowski@cogeco.ca) Received: from [24.150.215.98] (d150-215-98.home.cgocable.net [24.150.215.98]) by fep2.cogeco.net (Postfix) with ESMTP id 20DE74EB4; Sat, 30 Oct 2004 08:17:13 -0400 (EDT) Message-ID: <4183864E.30500@cogeco.ca> Date: Sat, 30 Oct 2004 08:17:18 -0400 From: Brian Bobowski User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040626 Thunderbird/0.7.1 Mnenhy/0.6.0.104 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Chuck Swiger References: <1099096228.18749.149.camel@aaron.proficuous.com> <20041030003606.GA60037@xor.obsecurity.org> <41838096.2080902@cogeco.ca> <418384E9.8010601@mac.com> In-Reply-To: <418384E9.8010601@mac.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit cc: FreeBSD User Questions List Subject: Re: make buildworld.........24 hours???? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Oct 2004 12:17:14 -0000 Chuck Swiger wrote: > Using -j is recommended only when you have lots of memory and can keep > all of the processes resident in memory. Trying to run a parallel > build on a low-memory machine is almost certainly going to be much > slower, since you are going to swap more, not less. > > Time it for yourself and see... > Ah, thanks for the clarification. I'd seen it cited as a way to deal with the delay caused by file access, but I guess it does make sense that it would apply to the actual filesystem rather than swap. -BB