FastE NIC Recommendation (latency)
mas at ucla.edu
Mon Nov 18 14:20:54 EST 2002
> Unlike the case of a global shared memory, low latency is not always a
> good thing. Gigabit Ethernet adapters go to some effort to _increase_
> latency so that the CPU can process multiple messages during each
> interrupt. This interrupt mitigation might even be clever enough to
> look at the destination of the next incoming packet to decide if the
> interrupt should be deferred.
That must be what I'm seeing as I was just using "ping".
What's a good way to measure latency?
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