[openib-general] common cq
Michael S. Tsirkin
mst at mellanox.co.il
Fri Feb 25 04:57:27 PST 2005
Quoting r. Libor Michalek <libor at topspin.com>:
> Subject: Re: SDP_CONN_LOCK
> Next, in this portion of the code I was actually going to try using a
> single CQ instead of two to see if we get an additional improvement as a
> result of fewer interrupts and simpler code.
Libor, what about using a common cq for multiple sockets?
The advantages would be - reduced event rate and reduced locking.
Since each CQ also uses hardware resources, this may help scalability.
Memory costs may be minimal (or non-existant), especially if/when
resize CQ is supported.
MST - Michael S. Tsirkin
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