[zeromq-dev] Why ZeroMQ has so much overhead?

Julie Anderson julie.anderson.uk at gmail.com
Wed Aug 29 02:11:34 CEST 2012


Over 10GbE ZeroMQ claims a latency of 33 micros from
end-to-end<http://www.zeromq.org/results:10gbe-tests-v031>.
If you subtract 2 micros from "over-the-wire" transit time it is still 31
micros. That's a lot!

But if you make a simple test sending one packet from one side to the
other, the total time is around 11 micros, or three times faster.

What does ZeroMQ do to introduce 3 times more latency to the messages?

Not criticizing, just trying to understand.

-Julie
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