[ofa-general] comparison between 4K mtu and none 4K mtu

Eli Cohen eli at mellanox.co.il
Mon Feb 4 09:00:33 PST 2008


On Mon, 2008-02-04 at 08:53 -0800, Shirley Ma wrote:
> Hello Eli,
> 
> What's the CPU utilization? I do see much better performance (40-100%)
> regarding ehca. I wonder whether CPU is the limitation there. Have you
> tried multiple streams, duplex?
> 
> Thanks
> Shirley 
> 
> 

I did not measure CPU utilization but for small UDP messages I expect it
to be 100% and so CPU would be limiting the throughput. I might take
more measurements tomorrow though.




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