getrusage vs clock
tg at gmplib.org
Thu Jan 21 11:47:58 UTC 2016
paul zimmermann <Paul.Zimmermann at inria.fr> writes:
since version 2.18 of the glibc, the clock() function is much more precise.
For example on my machine it has a resolution of 1 micro-seconds whereas
getrusage() has a resolution of 4ms only, as demonstrated by the program
I believe we already use clock_gettime(2) directly on GNU/Linux, which
is the underlying syscall that clock(3) uses in newer GNU libc versions.
Does that not happen in your tests?
Please encrypt, key id 0xC8601622
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