From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41274) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aiYht-000167-2P for qemu-devel@nongnu.org; Tue, 22 Mar 2016 22:39:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aiYhp-0006zk-Lo for qemu-devel@nongnu.org; Tue, 22 Mar 2016 22:39:36 -0400 Received: from ozlabs.org ([103.22.144.67]:54144) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aiYho-0006z5-Rt for qemu-devel@nongnu.org; Tue, 22 Mar 2016 22:39:33 -0400 Date: Wed, 23 Mar 2016 12:25:18 +1100 From: David Gibson Message-ID: <20160323012518.GP23586@voom.redhat.com> References: <1458651195-21176-1-git-send-email-alex.bennee@linaro.org> <1458651195-21176-4-git-send-email-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Vj8lTl3Roa4E9STX" Content-Disposition: inline In-Reply-To: <1458651195-21176-4-git-send-email-alex.bennee@linaro.org> Subject: Re: [Qemu-devel] [PATCH v1 3/3] .travis.yml: make -j3 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alex =?iso-8859-1?Q?Benn=E9e?= Cc: peter.maydell@linaro.org, qemu-devel@nongnu.org --Vj8lTl3Roa4E9STX Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Mar 22, 2016 at 12:53:15PM +0000, Alex Benn=E9e wrote: > The move from Travis VMs to Containers came with a upgrade from 1.5 > cores to 2. The received wisdom is -j N+1 means a core can be doing work > while other threads wait for IO to complete. This is hard to test on the > Travis infrastructure but an initial before/after eyeballing seems to > confirm it is an improvement. >=20 > Signed-off-by: Alex Benn=E9e Reviewed-by: David Gibson > --- > .travis.yml | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/.travis.yml b/.travis.yml > index 3f77bfa..345e3ca 100644 > --- a/.travis.yml > +++ b/.travis.yml > @@ -59,7 +59,7 @@ before_install: > before_script: > - ./configure ${CONFIG} > script: > - - make -j2 && ${TEST_CMD} > + - make -j3 && ${TEST_CMD} > matrix: > include: > # Sparse is GCC only --=20 David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson --Vj8lTl3Roa4E9STX Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJW8fB+AAoJEGw4ysog2bOSQKcP/3RAscVH1fg782pUxob/Akw+ cwPLwxgF21otk3QkNq+NRApuDQsCmy8wiTI6AclrIkCfyNI6ukS68mnr9pHV1iid +G/+DiLR7HQIWzgEfCLh1PZt57kBxdKUrvgqDkS9H7ngZJLhSgeqBfJ0Ym10FHkW V3XBVKIybYKLkX/kUOKKHR6bH5XrVrE3kdVpYOnL3OC0+9P3qH91Ji5eVUnqL5dX wrK0d+H0qTi+A+E1Hb+lORQJmSSTg8oxvF0EZJF5mzr/1PHam4DqjHgnws82JDxG VvkGyXhnBX610DGA2VZgVIVCY+ssZOEmoFkOiiZhxe1nn4kuZg5LuBSQ8If+S6rQ oKRXQPMJnxAJYmABaIkOdrSfvnexemebTk2+Tbt8fuwm2ux2douU6xIR22AWNzof uej6T2dkmoDTwjvyIe5oG6xvMKa1dA9VeVO+hHfiZhq3b1tfqMuCUAnlRr9BWg0D jeEdd6G/MAwsvvrhfSRhwxlhtVPsmtbC/jOWWlRJErphHQB6YrvE7bHMLRuOXqIl jCbJU4FOKcPWvD3UHRbjlXiw0b+V+a7v2mX823GDeYEya3xgMIKOeljFhIoWSxwF Eex4ev8xEges99ocX3MMZxXod7u4QSanvsm5kVT46QthSSQzSd7DP3VxQk7CbEWs /AZPs24oPrnu9iGLl/lE =eg9I -----END PGP SIGNATURE----- --Vj8lTl3Roa4E9STX--