On Sat, 2021-09-25 at 12:02 +0900, Keith Busch wrote:

Different submission queue groups per NVM Set sounds right for this
feature, but I'm not sure it makes sense for these to have their own
completion queues: completions from different sets would try to
schedule on the same CPU. I think it should be more efficient to
break the 1:1
SQ:CQ pairing, and instead have all the SQs with the same CPU
affinity share a single CQ so that completions from different
namespaces could be handled in a single interrupt.

Can this be an incremental improvement ?

Cheers,
Ben.



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