[ewg] Re: [ofa-general] [PATCH 0/3] Recieve Core Affinity support

Shirley Ma xma at us.ibm.com
Tue Jul 15 11:11:25 PDT 2008


general-bounces at lists.openfabrics.org wrote on 07/15/2008 09:12:51 AM:

> Following this email is a list of 3 patches which implements receive
> core affinity for IPoIB. In tests I made on my machine I got the
> following results with netperf TCP, 4 streams.
> 
> Without RCA: 730 MB/s
> With RCA: 970 MB/s
> 
> The patches require the patches sent by Yevegeni P. to provide support
> for allocation of multiple queues. I have sent an RFC a few weeks ago
> but it did not receive too much attention, so I implemented on the
> original API I sent back then. I would like this to be reviewed by the
> community and good comments are welcome.

That's a good idea. We talked about this internally. It benefits both UD 
and CM mode.

Does this RCA share same CQ? Or different RCA could use different CQ/EQ 
per core?

Thanks
Shirley 




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