On 11 June 2010 20:15, Martin Sustrik <[email protected]> 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.
-- Steve-o
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