Does clock() work?
Norton Allen
allen@huarp.harvard.edu
Tue Jan 8 20:23:00 GMT 2008
Norton Allen wrote:
> Greg Chicares wrote:
>> I get similar results with the same program. According to
>> C99 7.23.2.1/2,
>> "The clock function determines the processor time used."
>> so I'd guess that sleep() is consuming only wall-clock time.
>>
> Ah, good catch. Thank you.
> Now, I am definitely interested in wall clock elapsed time. Is there
> anything available that will give me real time at resolution greater
> than one second?
>
I found gettimeofday() that seems to do the trick.
-N
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