Date: Tue, 13 Oct 2015 06:28:35 +0000 (UTC) From: Benjamin Kaduk <bjk@FreeBSD.org> To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r47544 - head/en_US.ISO8859-1/htdocs/news/status Message-ID: <201510130628.t9D6SZRc001225@repo.freebsd.org>
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Author: bjk Date: Tue Oct 13 06:28:35 2015 New Revision: 47544 URL: https://svnweb.freebsd.org/changeset/doc/47544 Log: Add ioat(4) report from cem. Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2015-07-2015-09.xml Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2015-07-2015-09.xml ============================================================================== --- head/en_US.ISO8859-1/htdocs/news/status/report-2015-07-2015-09.xml Mon Oct 12 12:05:18 2015 (r47543) +++ head/en_US.ISO8859-1/htdocs/news/status/report-2015-07-2015-09.xml Tue Oct 13 06:28:35 2015 (r47544) @@ -83,4 +83,65 @@ <description>Miscellaneous</description> </category> + <project cat='kern'> + <title>ioat(4) driver import</title> + + <contact> + <person> + <name> + <given>Jim</given> + <common>Harris</common> + </name> + <email>jimharris@FreeBSD.org</email> + </person> + + <person> + <name> + <given>Conrad</given> + <common>Meyer</common> + </name> + <email>cem@FreeBSD.org</email> + </person> + </contact> + + <links> + <url href="https://en.wikipedia.org/wiki/I/O_Acceleration_Technology">Wikipedia + article on IOAT</url> + <url href="https://svnweb.FreeBSD.org/base?view=revision&revision=r287117">Commit + importing ioat(4)</url> + </links> + + <body> + <p>A new driver, ioat(4), was added to the tree. ioat(4) + supports Intel's I/O Acceleration Technology devices which are found + on some Intel server systems.</p> + + <p>These devices are DMA offload engines, which can accelerate + some I/O-heavy applications by offloading memory copies from the main + CPU to the I/OAT unit. This acceleration is not transparent; + applications must be adapted to take advantage of the hardware.</p> + + <p>Some I/OAT models support more advanced copying modes, like + XOR; these modes are not yet supported in the ioat(4) driver.</p> + </body> + + <sponsor> + Intel Corporation + </sponsor> + <sponsor> + EMC / Isilon Storage Division + </sponsor> + + <help> + <task> + <p>Further testing, especially on a range of device models other + than BDXDE (looking for volunteers here).</p> + </task> + + <task> + <p>Support for the more advanced copy modes.</p> + </task> + </help> + </project> + </report>
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