Genode network performance

Daniel Waddington daniel.waddington at ...161...
Thu Jan 10 23:57:54 CET 2013


On the subject of improving network stack performance, I observe 50% 
less throughput on Genode+Fiasco.OC+LWIP versus Linux on exactly the 
same Intel-based hardware. I am sending UDP packets; Linux @ 324K PPS 
and Genode @ 167 KPPS.  Using 64bit kernels. This is using 
out-of-the-box Genode IPXE DDE with E1000 NIC card.

Does this performance difference sound reasonable and expected? Is there 
some expected significant performance overhead with using DDE as opposed 
to a native NIC driver?

My next step will be to look at raw ethernet packet performance.


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