Date: Fri, 24 Oct 2008 16:40:58 +0200 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-net@freebsd.org Subject: Re: does freebsd support so called Scalable I/O on intel NIC ? Message-ID: <gdsmom$jf$1@ger.gmane.org> In-Reply-To: <200810241612.04764.gizmen@blurp.pl> References: <200810241612.04764.gizmen@blurp.pl>
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[-- Attachment #1 --] Bartosz Giza wrote: > Hi, > > i am looking for a good NIC from NIC to put on our quite busy router based > on freebsd 6.3 (soon 7.x) > I've found server NIC from intel and there is such a thing like scalable I/O > on windows and linux. > (from web page) > > "load balancing on multiple CPUs Increases > performance on multi-processor systems by efficiently > balancing network loads across CPU cores when used > with Receive-Side Scaling from Microsoft or Scalable > I/O on Linux*" > > Is such thing supported on freebsd ? I don't think so - I've run into problems when IO handling is limited to a single CPU. There are apparently unofficial patches for this here: http://people.yandex-team.ru/~wawa/ but I haven't tried them yet. Other components of "scalable IO" are present - interrupt moderation, TSO. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFJAd56ldnAQVacBcgRAlyrAKCI1k2afTDmeUqXNE0sG+z4Kw+FGACfUYOV 6WQz8u2wKKa2zrWV9/6TrJo= =Dtfr -----END PGP SIGNATURE-----
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