[openib-general] Re: [PATCH 07/16] ehca: interrupt handling routines

[Michael S. Tsirkin]

Quoting r. Shirley Ma <xma at us.ibm.com>:
> According to some results from different resouces, NAPI only gives 3%-10% performance improvement on single CQ.

When you say performance you mean bandwidth.
But I think it should improve the CPU utilization on RX side significantly.
If it does, that an important metric as well.

> I am trying a simple NAPI patch on splitting CQ now to see how much performance there.

What are you using for a benchmark?

-- 
MST