Quoting r. Shirley Ma <[EMAIL PROTECTED]>: > > > So far work queue gives very consistent 15% througput increase in my > > > local test with one dual core cpu over mthca. > > > > What happens to the CPU utilization? And latency? > > The CPU utilization were doubled under one dual core cpu. > Finally I found that's the problem tx_ring blocked the sender. > > After I tune send/recv queues, I got more than double throughput for > unidirectional netperf with 10-15% more cpu utilization. > > I believe after I apply my other removing tx_ring patch, the performance > would be better.
Need to also see what happens to latency. There should be some cost, hopefully not too much. -- MST _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
