Date: Thu, 2 Mar 2017 16:27:51 +1100 (EST) From: Bruce Evans <brde@optusnet.com.au> To: Conrad Meyer <cem@freebsd.org> Cc: src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r313006 - in head: sys/conf sys/libkern sys/libkern/x86 sys/sys tests/sys/kern Message-ID: <20170302162120.C8136@besplex.bde.org> In-Reply-To: <CAG6CVpWwZhMAsVB%2Bp-N0fMVOzzQSRaYonEfE-4Z6gv%2BLGuRn9w@mail.gmail.com> References: <201701310326.v0V3QW30024375@repo.freebsd.org> <20170202184819.GP2092@kib.kiev.ua> <20170203062806.A2690@besplex.bde.org> <CAG6CVpV8fqMd82hjYoyDfO3f5P-x6%2B0OJDoQHtqXqY_tfWtZsA@mail.gmail.com> <20170228121335.Q2733@besplex.bde.org> <CAG6CVpWwZhMAsVB%2Bp-N0fMVOzzQSRaYonEfE-4Z6gv%2BLGuRn9w@mail.gmail.com>
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On Wed, 1 Mar 2017, Conrad Meyer wrote: > On my laptop (Intel(R) Core(TM) i5-3320M CPU =E2=80=94 Ivy Bridge) I stil= l see > a little worse performance with this patch. Please excuse the ugly > graphs, I don't have a better graphing tool set up at this time: > > https://people.freebsd.org/~cem/crc32/sse42_bde.png > https://people.freebsd.org/~cem/crc32/sse42_bde_log.png Try doubling the loop sizes. There shouldn't be any significant difference above size 3*LONG unless LONG is too small. Apparently it is too small for older CPUs. I now have a Sandybridge i5-2xxx laptop to test on, but don't have it set up for much yet. Bruce From owner-svn-src-all@freebsd.org Thu Mar 2 06:02:18 2017 Return-Path: <owner-svn-src-all@freebsd.org> Delivered-To: svn-src-all@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 C708CCF5A0F; Thu, 2 Mar 2017 06:02:18 +0000 (UTC) (envelope-from ngie@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (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 96AFA676; Thu, 2 Mar 2017 06:02:18 +0000 (UTC) (envelope-from ngie@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v2262HXs025998; Thu, 2 Mar 2017 06:02:17 GMT (envelope-from ngie@FreeBSD.org) Received: (from ngie@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v2262HPX025997; Thu, 2 Mar 2017 06:02:17 GMT (envelope-from ngie@FreeBSD.org) Message-Id: <201703020602.v2262HPX025997@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: ngie set sender to ngie@FreeBSD.org using -f From: Ngie Cooper <ngie@FreeBSD.org> Date: Thu, 2 Mar 2017 06:02:17 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r314542 - head/share/man/man4 X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" <svn-src-all.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-all>, <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all/>; List-Post: <mailto:svn-src-all@freebsd.org> List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-all>, <mailto:svn-src-all-request@freebsd.org?subject=subscribe> X-List-Received-Date: Thu, 02 Mar 2017 06:02:18 -0000 Author: ngie Date: Thu Mar 2 06:02:17 2017 New Revision: 314542 URL: https://svnweb.freebsd.org/changeset/base/314542 Log: kern.cam.da.X.delete_method: add -width to .Bl macro call Now the section width is set appropriately per the BIO_DELETE parameter being described. Reported by: make manlint MFC after: 1 week Sponsored by: Dell EMC Isilon Modified: head/share/man/man4/da.4 Modified: head/share/man/man4/da.4 ============================================================================== --- head/share/man/man4/da.4 Thu Mar 2 05:04:45 2017 (r314541) +++ head/share/man/man4/da.4 Thu Mar 2 06:02:17 2017 (r314542) @@ -156,7 +156,7 @@ Set to 1 to enable sorting, 0 to disable The default is sorting enabled for HDDs and disabled for SSDs. .It Va kern.cam.da. Ns Ar X Ns Va .delete_method This variable specifies method to handle BIO_DELETE requests: -.Bl -tag +.Bl -tag -width "ATA_TRIM" .It ATA_TRIM ATA TRIM via ATA COMMAND PASS THROUGH command, .It UNMAP
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