Linux IP forwarding performance benchmarks

Linux IP forwarding performance benchmarks

[Oleg Arkhangelsky]

Hello,

Does anyone have some Linux IP forwarding performance
benchmarks on Nehalem Xeon platform versus Sandy
Bridge Xeon E5? Intel DDIO looks pretty tasty and should
give significant  performance boost (at least in theory)
but currently we doesn't have this hardware at hand to
test so asking here.

Thank you!

-- 
wbr, Oleg.

"Anarchy is about taking complete responsibility for yourself."
        Alan Moore.

Re: Linux IP forwarding performance benchmarks

[Ben Greear]

On 12/08/2012 04:01 AM, Oleg Arkhangelsky wrote:
> Hello,
>
> Does anyone have some Linux IP forwarding performance
> benchmarks on Nehalem Xeon platform versus Sandy
> Bridge Xeon E5? Intel DDIO looks pretty tasty and should
> give significant  performance boost (at least in theory)
> but currently we doesn't have this hardware at hand to
> test so asking here.

Well, I don't have forwarding numbers, but using a modified pktgen,
we can send and receive about 800,000 packets per second on each of
4 10G NICs in our E5 test system.

Our modified pktgen is probably slower than the upstream, as it has
a bunch of rx logic in it as well...

And, for our network emulator module (like a bridge, mostly), we can
get 7-9.8Gbps bi-directional throughput, depending on some issues
due to IRQ pinning and the spread among the rx-queues, it seems.

Thanks,
Ben

>
> Thank you!
>


-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com