Rx performance

Lombardo, Ed Ed.Lombardo at netscout.com
Wed Jul 16 14:29:28 CEST 2025


Hi,
I have E810-C 2x100G NIC, the perf tool shows scalar rx path and not vectorized rx path.  When I turn off Rx Offload (NIC rx timestamp) I see vectorized rx path in perf tool.

Why is this a drawback and is this with just the E810 NIC?

is there a way around this so Rx Offload Rx Timestamp can be used in our application and get vectorized rx path?

We need rx timestamps of packets and max performance.

Thanks,
Ed
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