Garrett D'Amore writes:
>
> I'm working on this area of performance. If you aren't using jumbo
> frames, you need a card that supports LSO. The only option at the
> moment is "xge" (Neterion.)
>
Since GLDv3 will apparently never be stabilized and made available for
use by IHVs, it would be really nice if you could at least add {T,L}SO
support to GLDv2. This would get you at least one more 10GbE NIC
supporting LSO.
> For all other NICs, the per-packet-overheads associated with 1500 byte
> frames are quite limiting at 10Gb. I'm spending a lot of time examining
> ways to improve this for Solaris Nevada, some of these may be backported
> to Solaris 10 in the future.
As an interesting data point, Solaris has the best 1500b *receive*
rate of any OS I've tested recently. Even without LRO, I'm able to
receive a single stream at nearly 7.5Gb/s (sent via TSO from a FreeBSD
or Linux host) on Solaris/amd64.
Drew
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