From owner-freebsd-current@FreeBSD.ORG Sat Nov 13 07:40:02 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B6F8D16A4CE; Sat, 13 Nov 2004 07:40:02 +0000 (GMT) Received: from tigra.ip.net.ua (tigra.ip.net.ua [82.193.96.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id DFA7743D4C; Sat, 13 Nov 2004 07:40:01 +0000 (GMT) (envelope-from ru@ip.net.ua) Received: from localhost (rocky.ip.net.ua [82.193.96.2]) by tigra.ip.net.ua (8.12.11/8.12.11) with ESMTP id iAD7e0eK091547; Sat, 13 Nov 2004 09:40:00 +0200 (EET) (envelope-from ru@ip.net.ua) Received: from tigra.ip.net.ua ([82.193.96.10]) by localhost (rocky.ipnet [82.193.96.2]) (amavisd-new, port 10024) with LMTP id 65244-13; Sat, 13 Nov 2004 09:40:00 +0200 (EET) Received: from heffalump.ip.net.ua (heffalump.ip.net.ua [82.193.96.213]) by tigra.ip.net.ua (8.12.11/8.12.11) with ESMTP id iAD7dxTt091535 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 13 Nov 2004 09:40:00 +0200 (EET) (envelope-from ru@ip.net.ua) Received: (from ru@localhost) by heffalump.ip.net.ua (8.13.1/8.13.1) id iAD7e0U2032227; Sat, 13 Nov 2004 09:40:00 +0200 (EET) (envelope-from ru) Date: Sat, 13 Nov 2004 09:40:00 +0200 From: Ruslan Ermilov To: Don Lewis Message-ID: <20041113073959.GD30146@ip.net.ua> References: <20041112130548.GA86162@ip.net.ua> <200411130009.iAD09oGO067824@gw.catspoiler.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="LTeJQqWS0MN7I/qa" Content-Disposition: inline In-Reply-To: <200411130009.iAD09oGO067824@gw.catspoiler.org> User-Agent: Mutt/1.5.6i X-Virus-Scanned: by amavisd-new at ip.net.ua cc: current@FreeBSD.org Subject: Re: [TEST] make -j patch [take 2] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 13 Nov 2004 07:40:02 -0000 --LTeJQqWS0MN7I/qa Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Nov 12, 2004 at 04:09:49PM -0800, Don Lewis wrote: > On 12 Nov, Ruslan Ermilov wrote: >=20 > > "make universe" builds 6 worlds today. By starting it with > > "make -j12", you build 6 worlds in parallel, and another 6 > > jobs are made available for building these worlds. When one > > world finishes, 7 jobs will be available for building 5 other > > worlds, etc. This is fine as long as you're interested in > > the final result of "make universe". > >=20 > > When testing a commit candidate change with "make universe", > > I want to detect the breakage as early as possible. This can > > be achieved by building less worlds in parallel, and giving > > more parallelism to individual world builds. The overall > > time of "make universe" won't change significantly. >=20 > Another interesting case would be to build some number of worlds in > parallel, but not parallelize the build of any given world. Doing it > this way has the advantage of generating the log files in an unscrambled > order so that the cause of any errors can be more easily determined from > the log file. >=20 This was and is possible. make -j3 universe JFLAG=3D-B Will build three worlds in parallel, each world with a single job. Cheers, --=20 Ruslan Ermilov ru@FreeBSD.org FreeBSD committer --LTeJQqWS0MN7I/qa Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBlbpPqRfpzJluFF4RArY0AJ4wC9JokHBV+Citxm+liequWJcO3gCeK2TO Orn8Rjm944qbyQ6KF78/uUE= =aFAw -----END PGP SIGNATURE----- --LTeJQqWS0MN7I/qa--