mst> but I also changed the clock sampling to use the realtime
mst> clock from -lrt, since it gives a more consistent timing
mst> results on my system.
By the way, what exactly are you using? clock_gettime() with
CLOCK_REALTIME? Do you know what the difference from gettimeofday is?
I haven't followed Linux timekeeping development too closely but there
should be some portable libc way to get high-resolution time without a
system call (ie rdtsc on x86, mftb on ppc, etc).
- R.
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