From owner-freebsd-stable@freebsd.org Sun Aug 28 16:33:07 2016 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 89088BC142D for ; Sun, 28 Aug 2016 16:33:07 +0000 (UTC) (envelope-from mazhe@alkumuna.eu) Received: from smtp1-g21.free.fr (smtp1-g21.free.fr [212.27.42.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 3C7D6697; Sun, 28 Aug 2016 16:33:06 +0000 (UTC) (envelope-from mazhe@alkumuna.eu) Received: from yggdrasil.alkumuna.eu (unknown [IPv6:2a01:e35:8a74:6e70:232:36ff:fe5c:3a87]) by smtp1-g21.free.fr (Postfix) with ESMTPS id D895CB005C9; Sun, 28 Aug 2016 16:32:43 +0200 (CEST) Received: from freedom.alkumuna.eu ([IPv6:2a01:e35:8a74:6e70:62a4:4cff:fe54:b212]) (authenticated bits=0) by yggdrasil.alkumuna.eu (8.15.2/8.15.2) with ESMTPSA id u7SGWgGU057765 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 28 Aug 2016 18:32:47 +0200 (CEST) (envelope-from mazhe@alkumuna.eu) Date: Sun, 28 Aug 2016 18:32:42 +0200 From: Matthieu Volat To: Dimitry Andric Cc: "K. Macy" , Andrea Brancatelli , Kubilay Kocak , Lars Engels , Erich Dollansky , Johannes Dieterich , freebsd-stable Subject: Re: Benchmarks results for FreeBSD 11 Message-ID: <20160828183242.759bb6c2@freedom.alkumuna.eu> In-Reply-To: <79F32FFD-BBDF-4359-A4CB-C80A3FC59EAD@FreeBSD.org> References: <20160819073422.4292997b@X220.alogt.com> <20160821144505.27c0f55d@X220.alogt.com> <827183a944ee4052649c152d65204444@schema31.it> <20160822101423.GF18643@e-new.0x20.net> <79F32FFD-BBDF-4359-A4CB-C80A3FC59EAD@FreeBSD.org> X-Mailer: Claws Mail 3.14.0 (GTK+ 2.24.29; amd64-portbld-freebsd11.0) MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; boundary="Sig_/KxKmlY.n5EjRMNCZAj5lr/q"; protocol="application/pgp-signature" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alkumuna.eu; s=dkim; t=1472401968; bh=OpdBnZFH8Z9mGL1yN1chVQDKwypzx1OTUWgFIIgBl4o=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References:MIME-Version:Content-Type; b=Q9OqWrGcO/0X/vM5GZMz1QMueZKxzq0Lgiet5FNKkfJIWWTYPr2/syMPgu8uyrtJMdCdJHKBeO8DU1QhWORhowLWcOUlTS8SodnP6xkrLCr6iZ3IZA5tdCsdDIkGT+218W5wM/omyvxIH/hBav0lpVVhbhK48o3/6rlml1Awa3c= X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Aug 2016 16:33:07 -0000 --Sig_/KxKmlY.n5EjRMNCZAj5lr/q Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Sun, 28 Aug 2016 14:55:37 +0200 Dimitry Andric wrote: > On 28 Aug 2016, at 02:10, K. Macy wrote: > > =20 > >> The problem here is that Phoronix took a Beta version of FreeBSD 11. > >> Beta versions have a lot of debugging (malloc, invariants, witness) > >> options enabled which make it significantly slower than release > >> versions. This is even obviously when you run a Beta as a desktop. It > >> just feels much slower. =20 > >=20 > >=20 > > I don't know what was going on in these particular tests, but in a > > more recent benchmarking run > > -https://www.phoronix.com/scan.php?page=3Darticle&item=3Dfreebsd11-clan= g-gcc&num=3D1 > > - you're seeing the result of openmp being disabled in base. The clang > > maintainer for src refuses to include libomp as required for -fopenmp > > because nothing in base requires it. =20 >=20 > Come on, this is nonsense. I have indicated earlier that I would have > liked to import openmp into base, but this was shot down precisely for > that reason: nothing in base uses it. >=20 > So for now, the solution is simply: install one of the llvm ports, and > use it. These have configuration setting to install every optional > component from the LLVM project. >=20 > -Dimitry >=20 With 11, one can even simply install devel/openmp which will only install t= he libopenmp bits from llvm, and after that, base cc can do openmp. -- Matthieu Volat --Sig_/KxKmlY.n5EjRMNCZAj5lr/q Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEARECAAYFAlfDEioACgkQ+ENDeYKZi37cuQCgkmVfJdw57vlWd2u3yFmXTL/9 t0cAn3XV/Tvv0F8aOufn509kdPUXYZlf =3lOG -----END PGP SIGNATURE----- --Sig_/KxKmlY.n5EjRMNCZAj5lr/q--