[zeromq-dev] timeBeginPeriod in ØMQ or OpenPGM?

Steven McCoy steven.mccoy at miru.hk
Mon Nov 1 12:19:09 CET 2010

On 1 November 2010 19:11, Martin Sustrik <sustrik at 250bpm.com> wrote:
>> timeBeginPeriod adds the dependency Winmm.lib affects all wait
>> functions and hence adversely affects power saving.
> Is there any specific advantage in using those is 0MQ?

It affects the accuracy of the wait inside the select event loop,
whether it is 1ms to 16ms granularity.  In the current ØMQ
implementation it only affects the PGM transport (by significantly
increasing jitter) as re-connect handling is using low resolution
timeout values.


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