From owner-freebsd-hackers@FreeBSD.ORG Thu Dec 14 13:41:01 2006 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id BD26D16A4D1 for ; Thu, 14 Dec 2006 13:41:01 +0000 (UTC) (envelope-from ato@amper.iem.pw.edu.pl) Received: from amper.iem.pw.edu.pl (amper.iem.pw.edu.pl [194.29.146.6]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3E0D743EB2 for ; Thu, 14 Dec 2006 13:33:22 +0000 (GMT) (envelope-from ato@amper.iem.pw.edu.pl) Received: by amper.iem.pw.edu.pl (Postfix, from userid 700) id 415EC2679D; Thu, 14 Dec 2006 14:34:51 +0100 (CET) Date: Thu, 14 Dec 2006 14:34:51 +0100 From: Andrzej Tobola To: freebsd-hackers@freebsd.org Message-ID: <20061214133451.GA22897@amper.iem.pw.edu.pl> Mail-Followup-To: freebsd-hackers@freebsd.org References: <20061214041952.GA7513@dragon.NUXI.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20061214041952.GA7513@dragon.NUXI.org> User-Agent: Mutt/1.5.13 (2006-08-11) X-Mailman-Approved-At: Thu, 14 Dec 2006 14:11:23 +0000 Subject: Re: [PATCH] "automated" make -j value X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Dec 2006 13:41:01 -0000 Hello David, I was using hw.ncpu. Which one is better ? % sysctl -n kern.smp.cpus hw.ncpu 1 1 % ssh vol sysctl -n kern.smp.cpus hw.ncpu 2 2 % ssh vol2 sysctl -n kern.smp.cpus hw.ncpu 4 4 cheers, -a On Wed, Dec 13, 2006 at 08:19:52PM -0800, David O'Brien wrote: > With multi-socket systems becoming more prevalent, and the continued > increase in cores per processors, I thought it would be nice for > 'make -j' to gain some automation. > > Attached is a patch that makes "-j-" be the same as > "-j `sysctl -n kern.smp.cpus`" and "-j=" be twice that.