From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id p0A7tmHR220814 for ; Mon, 10 Jan 2011 01:55:49 -0600 Received: from mailsrv14.zmi.at (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 80B9624DCCB for ; Sun, 9 Jan 2011 23:57:56 -0800 (PST) Received: from mailsrv14.zmi.at (mailsrv1.zmi.at [212.69.164.54]) by cuda.sgi.com with ESMTP id fGeIiEhRMPaWbkfT for ; Sun, 09 Jan 2011 23:57:56 -0800 (PST) From: Michael Monnerie Subject: Re: [PATCH] xfs_repair: multithread phase 2 Date: Mon, 10 Jan 2011 08:57:52 +0100 References: <1294620248-17098-1-git-send-email-david@fromorbit.com> In-Reply-To: <1294620248-17098-1-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Message-Id: <201101100857.53421@zmi.at> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1903184001540898707==" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com --===============1903184001540898707== Content-Type: multipart/signed; boundary="nextPart1393371.eMgovlejhY"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit --nextPart1393371.eMgovlejhY Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable On Montag, 10. Januar 2011 Dave Chinner wrote: > This patch uses 32-way threading which results in no noticable > slowdown on single SATA drives with NCQ, but results in ~10x > reduction in runtime on a 12 disk RAID-0 array. Is the fixed 32-way number reasonable, or shouldn't that be "number of=20 available cpu cores"-way? Why threading when you have a single core cpu? =2D-=20 mit freundlichen Gr=FCssen, Michael Monnerie, Ing. BSc it-management Internet Services: Prot=E9ger http://proteger.at [gesprochen: Prot-e-schee] Tel: +43 660 / 415 6531 // ****** Radiointerview zum Thema Spam ****** // http://www.it-podcast.at/archiv.html#podcast-100716 //=20 // Haus zu verkaufen: http://zmi.at/langegg/ --nextPart1393371.eMgovlejhY Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.15 (GNU/Linux) iEYEABECAAYFAk0qvAEACgkQzhSR9xwSCbSGcgCgtQLXXb4XdpC1eBk+KQMa+/mS yZsAn2ZatSYoDhRY7os3SPS5acA3nOFx =W/PX -----END PGP SIGNATURE----- --nextPart1393371.eMgovlejhY-- --===============1903184001540898707== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs --===============1903184001540898707==--