[zeromq-dev] zmq::poll timeout returns immediately on MacOS/X 10.5

Steven McCoy steven.mccoy at miru.hk
Fri Jun 11 10:02:08 CEST 2010


On 11 June 2010 15:55, Martin Sustrik <sustrik at 250bpm.com> wrote:

> I meant benchmarks for gettimeofday. Any idea where those can be found?
> RDTSC is not applicable in this scenario as we need exact timeout rather
> than estimate.
>
>
I've only seen the worst case scenario, like the 16ms timing in Windows,
nothing much about Nehalem or event the Red Hat vsyscall other than they are
"better".

This article quotes 10ms to 1ms after hr-timers was implemented.

http://dslab.lzu.edu.cn:8080/docs/summer_school_2005/docs/study.pdf

-- 
Steve-o
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