<br><font size=2 face="sans-serif">Leonid,</font>
<br>
<br><font size=2 face="sans-serif">There is no doubt NAPI helping interrupts
mitigation, throughput, packets out of order and balance between latency
and throughput. But NAPI might not help all of the devices since different
drivers have different implementations for CQ completion handler. </font>
<br>
<br><font size=2 face="sans-serif">I am working on a patch to use multiple
threads work queue for ipoib completion polling. Have you tried to this
on your driver?</font>
<br><font size=2 face="sans-serif"><br>
Thanks<br>
Shirley Ma<br>
IBM Linux Technology Center<br>
15300 SW Koll Parkway<br>
Beaverton, OR 97006-6063<br>
Phone(Fax): (503) 578-7638</font>