[zeromq-dev] zmq::poll timeout returns immediately on MacOS/X 10.5
steven.mccoy at miru.hk
Fri Jun 11 15:56:39 CEST 2010
On 11 June 2010 20:15, Martin Sustrik <sustrik at 250bpm.com> wrote:
> Marcin Gozdalik wrote:
> > Avg. us/call Elapsed Name
> > 0.064833 0.648334 clock_gettime(2/CLOCK_REALTIME)
> > 0.009635 0.096351 clock_gettime(2/CLOCK_REALTIME_COARSE)
> That's a pretty good performance! I wouldn't hesitate to use it in
> zmq_poll. The impact on non-Linux systems is still unknown though.
So if that's equivalent to the vsyscall then gettimeofday() should be
similar on MRG with the VDSO, and should be even faster with whatever libc
supports RDTSCP on the Nehalem.
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