[Beowulf] Re: typical latencies for gigabit ethernet

[Dave Love]

Scott Atchley <atchley at myri.com> writes:

> As Patrick kindly pointed out, you are using rx-frames and not rx- 
> usec. They are not equivalent.

That's something I haven't seen.  However, I'm only using rx-frames=1
because simply adjusting rx-usec doesn't behave as expected.  (It's
documented, but perhaps only in the ethtool source, that rx-frames=0
means to use just rx-usec, which is what you want to be able to adjust
the coalescence as suggested.)
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