[ofw] [PATCH 7/7] librdmacm: provide OFED compatability library

Sean Hefty sean.hefty at intel.com
Sun Jan 18 21:49:16 PST 2009


>> Because of the use of overlapped structures and events, the library
>> has a scalability limitation of about 60 connections.  Since the
>> only known way around this limitation that I'm aware of requires
>> adding threads to the library, the scalability limit will be addressed
>> in a subsequent version, once the needs of a real application are
>> determined.
>>
>I guess that you are talking about the limitation of
>WaitForMultipleObjects ?

Yes

>In that case, there is another workaround that is possibale and that is
>to use the kernel function KeWaitForMultipleObjects which doesn't have
>this limitation. Not exactly straight forward, but if we see that there
>is a real need for biger scales than I guess that this is also an option
>to consider.

Thanks - I've started looking at how to work around the problem, and I'll see
what it'll take to use this option.

- Sean




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