From owner-svn-doc-head@FreeBSD.ORG Sat Oct 19 16:52:39 2013 Return-Path: Delivered-To: svn-doc-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id D1E70189; Sat, 19 Oct 2013 16:52:39 +0000 (UTC) (envelope-from pgj@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id BE9202460; Sat, 19 Oct 2013 16:52:39 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id r9JGqd0W061005; Sat, 19 Oct 2013 16:52:39 GMT (envelope-from pgj@svn.freebsd.org) Received: (from pgj@localhost) by svn.freebsd.org (8.14.7/8.14.5/Submit) id r9JGqdm1061004; Sat, 19 Oct 2013 16:52:39 GMT (envelope-from pgj@svn.freebsd.org) Message-Id: <201310191652.r9JGqdm1061004@svn.freebsd.org> From: Gabor Pali Date: Sat, 19 Oct 2013 16:52:39 +0000 (UTC) To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r43009 - head/en_US.ISO8859-1/htdocs/news/status X-SVN-Group: doc-head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-doc-head@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: SVN commit messages for the doc tree for head List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Oct 2013 16:52:39 -0000 Author: pgj Date: Sat Oct 19 16:52:39 2013 New Revision: 43009 URL: http://svnweb.freebsd.org/changeset/doc/43009 Log: - Further improvements to the 2013Q3 report Submitted by: theraven Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2013-07-2013-09.xml Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2013-07-2013-09.xml ============================================================================== --- head/en_US.ISO8859-1/htdocs/news/status/report-2013-07-2013-09.xml Fri Oct 18 23:17:17 2013 (r43008) +++ head/en_US.ISO8859-1/htdocs/news/status/report-2013-07-2013-09.xml Sat Oct 19 16:52:39 2013 (r43009) @@ -96,11 +96,12 @@ -

An enhancement to the AES-NI implementation for OpenCrypto has - been committed that significantly improves AES-XTS and AES-CBC - decryption performance. This gives geli(8) around a - three times performance boost on gnop(8) using AES-XTS - compared to the old code.

An enhancement to the AES-NI implementation for OpenCrypto, the + kernel's cryptography framework, has been committed that + significantly improves AES-XTS and AES-CBC decryption + performance. This gives geli(8) around a three times + performance boost on gnop(8) using AES-XTS compared to + the old code.

These improvements are available to users of the OpenCrypto framework and crypto(4).

@@ -206,13 +207,15 @@ Experiments have shown that applying only the above GEOM direct dispatch changes burns up to 60% of system CPU time or even more in attempts to obtain these locks by multiple callers, killing - any benefits of GEOM direct dispatch. To overcome that, a new - fine-grained CAM locking design was implemented. It implies - splitting the big per-SIM locks into several smaller ones: - per-LUN locks, per-bus locks, queue locks, etc. After these - changes, the remaining per-SIM lock protects only the controller - driver internals, reducing lock congestion down to an acceptable - level and keeping compatibility with existing drivers.

+ any benefits of GEOM direct dispatch.

+ +

To overcome this scaling limitation, a new fine-grained CAM + locking design was implemented. It implies splitting the big + per-SIM locks into several smaller ones: per-LUN locks, per-bus + locks, queue locks, etc. After these changes, the remaining + per-SIM lock protects only the controller driver internals, + reducing lock congestion down to an acceptable level and keeping + compatibility with existing drivers.

Together, the GEOM and CAM changes double the peak I/O rate, reaching up to 1,000,000 IOPS on contemporary hardware.

@@ -280,9 +283,11 @@ -

The VirtIO network driver, vtnet(4), recently gained - support for multiple queues, along with a significant cleanup - and support for a few additional features.

The VirtIO network driver, vtnet(4), is used by &os; + systems running on hypervisors including bhyve(4) and + Linux's KVM. It recently gained support for multiple queues, + along with a significant cleanup and support for a few + additional features.

@@ -460,7 +465,7 @@ completed (see links). Specifically:

A service which receives and serves download requests. It +
A service that receives and serves download requests. It samples download speeds from different mirrors and uses this information to pick the best mirror on the next request. It can migrate jobs between mirrors if it realizes that a @@ -737,8 +742,8 @@ report:
- The pmap module has been adjusted to fully utilize - superpages.
- The pmap(9) module has been adjusted to fully + utilize superpages.
- Found and fixed minor bugs in superpage management.