[ofw] Current IPoIB performance with WinOF

[Ishaan Dalal]

Hi,

I'd like to experiment with IB as a cheap 10+ Gbps point-to-point
interconnect (4x SDR adapters are available quite cheap) between a video
editing workstation (Win 7 x64) and a storage server (Server 2008 R2). SMB
will be used to maintain compatibility with other existing clients. The
server is a fairly powerful machine (dual-core Core i5) with a RAID
subsystem that can saturate a gigabit link several times over.

Digging through list archives to determine IPoIB performance in Windows, the
latest I could find were posts from 2006-2007 that claimed performance was
poor because the way IPoIB was implemented was extremely CPU-intensive. How
much has IPoIB performance improved with the newer WinOF/NDIS versions? Is
it still as tightly CPU-bound?

Thanks,
-Ishaan
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