[zeromq-dev] C++ perf test with poll patch

Vitaly Mayatskikh v.mayatskih at gmail.com
Sat Feb 27 23:19:42 CET 2010


At Sat, 27 Feb 2010 22:53:57 +0100, Martin Sustrik wrote:

> > Here is a patch to run the lat and thr cpp perf programs with poll support:
> > 
> > http://github.com/rocha/zeromq2/commit/530a83b7
> 
> Interesting. Do you have any figures of how polling affects latency & 
> throughput?

Should affect negatively: 2 syscalls (poll + read/write) vs 1 (read/write).
-- 
wbr, Vitaly



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