From owner-freebsd-stable Tue Jan 22 13: 5:11 2002 Delivered-To: freebsd-stable@freebsd.org Received: from rutger.owt.com (rutger.owt.com [204.118.6.16]) by hub.freebsd.org (Postfix) with ESMTP id 110F837B402 for ; Tue, 22 Jan 2002 13:05:04 -0800 (PST) Received: from owt.com (owt-207-41-94-232.owt.com [207.41.94.232]) by rutger.owt.com (8.9.3/8.9.3) with ESMTP id NAA11392; Tue, 22 Jan 2002 13:04:27 -0800 Message-ID: <3C4DD3D9.3000206@owt.com> Date: Tue, 22 Jan 2002 13:04:25 -0800 From: Kent Stewart User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:0.9.4) Gecko/20011128 Netscape6/6.2.1 X-Accept-Language: en-us MIME-Version: 1.0 To: Scott Reese Cc: freebsd-stable@FreeBSD.ORG Subject: Re: make -j4 world References: <5.1.0.14.0.20020122145124.03cd1380@marble.sentex.ca> <5.1.0.14.0.20020122145124.03cd1380@marble.sentex.ca> <5.1.0.14.0.20020122151930.03d62220@marble.sentex.ca> <3C4DCB91.7080701@owt.com> <3C4DCDE7.C5E77C03@math.missouri.edu> <20020122125645.1a0c9b36.sreese@codysbooks.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Scott Reese wrote: > On Tue, 22 Jan 2002 14:39:03 -0600 > Stephen Montgomery-Smith wrote: > > >>On the "Error in make buildworld" thread I said that I had this problem >>on 1 out of 3 machines, so you may not necessarily see this problem. I >>only saw this problem on the fastest machine. >> >> > > I've actually found that on a fast computer (1.6 GHz Pentium IV) using the "-j" > flag tends to slow things down a bit. The standard "make buildworld" ran much > faster and much more smoothly than "make -j4 buildworld." It was the same with > kernel builds. Honestly, with a machine that fast, I don't really see a need > for the "-j" flags anyway. That has also been my experience on most of my single cpu systems. I find the combination of # of controllers and ATA-100 drives makes a difference. I have one XP system setup with a -j4 and the other with -j6. I just finished a buildworld. It required 26:40. I have a make script that I uncomment the line I want it to use. The make script is setup to use no -j to -j12 in steps of 2. The system with -j6 used to be a dual 866 coppermine and I hadn't noticed that it was still -j6. There were two threads of build failures and I am not seeing it the buildworld fail on this end. Kent -- Kent Stewart Richland, WA mailto:kbstew99@hotmail.com http://users.owt.com/kstewart/index.html FreeBSD News http://daily.daemonnews.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message