2 ms·
>> [...] and thread 2’s time may be earlier than thread 1’s > If it does plain RDTSC, it may not be fine. I'm a little surprised how easily it happens with pl
by jcalvinowens 6mo ago
>> [...] and thread 2’s time may be earlier than thread 1’s
> If it does plain RDTSC, it may not be fine.
I'm a little surprised how easily it happens with plain rdtsc on my hardware: https://gist.github.com/jcalvinowens/4c0c25e753f8ce2d0a6ca4861a0529ce https://gist.github.com/jcalvinowens/4c0c25e753f8ce2d0a6ca48...
# time ./a.out
a.out: local=4692633034088164 < remote=4692633034088165
real 0m0.025s