[zeromq-dev] Thoughts on Linux End User Summit

Steven McCoy steven.mccoy at miru.hk
Wed Dec 2 14:30:07 CET 2009

2009/12/1 Martin Sustrik <sustrik at 250bpm.com>

> There's also a lot of legacy in-house code out there. Speeding up such
> applications without a need to do full migration may well be the driving
> force here.
Found some performance numbers from the IBM guy who's presumably using it
with WebSphere MQ LLM (http://www-01.ibm.com/software/integration/wmq/llm/),

> Receiving batches of 30 packets, each of 1024 bytes, results with no
> latency improvements, but with a ~55% throughput improvement, from 72
> megabytes per second to  111. Repeating the same test, but with
> batches of 3000, displays the same behaviour. The more interesting
> result (to me, at least :) is when using small packets. Sending
> packets of size 100 and receiving in batches of 30  gives 470 micro
> latency and 244669 packets per second. On the other hand, without
> recvmmsg we get 750 micro latency and 210818 packets per second. A
> huge improvement here.

> I think that with a bit more tinkering we can even stretch these results a


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