From owner-freebsd-arm@FreeBSD.ORG Thu Dec 18 21:17:08 2014 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 042E08A3; Thu, 18 Dec 2014 21:17:08 +0000 (UTC) Received: from mail-pa0-x22b.google.com (mail-pa0-x22b.google.com [IPv6:2607:f8b0:400e:c03::22b]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id BAD3E26AD; Thu, 18 Dec 2014 21:17:07 +0000 (UTC) Received: by mail-pa0-f43.google.com with SMTP id kx10so2171162pab.30; Thu, 18 Dec 2014 13:17:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=content-type:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; bh=WiNtF0Rm5xB5caPl8hAFac/vQeXBa/vatvcceFslTj8=; b=RnfZoqHGwpKdpJY4VeW4zK9LGUkMb7T7M8nX7K73OUlESgtn0qgp30wk1v3139NgCX sTTE0noMsVnEMXBDm66FIenqsad+g9ToR0hfSiqgMMAVMNxOiqfybywL6KPXal9+RixD Vr+3E3tlc/0XDa0MyBk9hIkJeFoo/p3ie3Q5nXkec+B5PJhmfVuf8a3MXnEK8WbOLMwU 5HVV6BPXs/c5/EaJ5KjGbyT46SbBS5tUrpoPqeB8rnOSQ9f+tmBzu7tWtPMS3oO9PpsS W8voVSn0qPxigBNotIoYy6h1QGcUapkAK/007XvFWBg0q8HbE47SEeItI/D4DllPqoUv WNvw== X-Received: by 10.67.1.66 with SMTP id be2mr6799097pad.132.1418937427313; Thu, 18 Dec 2014 13:17:07 -0800 (PST) Received: from [192.168.20.5] (c-98-247-240-204.hsd1.wa.comcast.net. [98.247.240.204]) by mx.google.com with ESMTPSA id m7sm7622278pdj.47.2014.12.18.13.17.06 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 18 Dec 2014 13:17:06 -0800 (PST) Content-Type: multipart/signed; boundary="Apple-Mail=_809A63B6-D6BB-4306-BBEF-CE33F0F6EA92"; protocol="application/pgp-signature"; micalg=pgp-sha512 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Subject: Re: RFT: Please help testing the llvm/clang 3.5.0 import From: Garrett Cooper In-Reply-To: <9D9850F8-62D6-4A85-BED3-1B4AB4DE5C14@bsdimp.com> Date: Thu, 18 Dec 2014 13:17:03 -0800 Message-Id: <18CDB8BF-C24E-442D-8904-5DB777E64A62@gmail.com> References: <8598B1D4-5485-426F-B6D6-22BF26AC5FE1@FreeBSD.org> <21650.55288.425711.209975@jerusalem.litteratus.org> <9D9850F8-62D6-4A85-BED3-1B4AB4DE5C14@bsdimp.com> To: Warner Losh X-Mailer: Apple Mail (2.1878.6) Cc: FreeBSD ARM , Robert Huff , Dimitry Andric , FreeBSD ports , FreeBSD-Current X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Dec 2014 21:17:08 -0000 --Apple-Mail=_809A63B6-D6BB-4306-BBEF-CE33F0F6EA92 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 On Dec 18, 2014, at 6:51, Warner Losh wrote: > With the recent parallelism work, the is true. It might save a couple = percent > off the build time. Before those changes, though, disabling all non = target > arches saved about 10% of the buildworld time. I=92m curious. How much is 10% in terms of minutes and with what -j = value? > Creating a hack to do this is easy (which is how I measured it). But = Dimitry > is right that creating a robust solution is hard. Even harder if you = want it > to be completely clean. It didn=92t seem incredibly hard =97 it just required a bit more = =93generated files=94 in clang AFAICT. I=92ll hang ten until clang35 is = in so I can re-asses what=92s going on with building it. > I tend to agree. IMHO, supporting the work going on to bring the > meta-mode stuff will pay far higher dividends than optimizing this > corner of the build. True=85 probably will! --Apple-Mail=_809A63B6-D6BB-4306-BBEF-CE33F0F6EA92 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQEcBAEBCgAGBQJUk0RPAAoJEMZr5QU6S73eDlIH/Rt0qDR/zVfty+f4hvlGSxgT nAaXV/kkkaS9LZcCjyi/4a/RYHUQ1n04I1DVFKmlXkokfCRHpjCV+qZngPyPkbh2 bOFaqMIUKc6Ch+9Y3wXCCIIpLD/7op29vjad/gWNvKsaelWTsdyv3Ls+1nxS4Mmn 69KCWuBqOmf37c1rjHZPOjcBUJG8xY4TDY7kVHn7HSIU+HUBpbSUK1hvTVU5uAd9 +Z8MKgRO9PHev7mzlQTXKblW7pLr7I/N6Lwf6qAfiny48DVJhkk5ZPEvhv0LJgua FFyq0YUGAHjQehmmiigBZ8hsvpCwahdRShzAqYXqeDV6KQ6vHJi48dYIIz6Vks0= =l2No -----END PGP SIGNATURE----- --Apple-Mail=_809A63B6-D6BB-4306-BBEF-CE33F0F6EA92--