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Thread: smallest resolution using gettimeofday() in C
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Old 02-06-2008
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Perderabo Perderabo is offline Forum Staff  
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1 microsecond is the granularity of the system call, not the resolution. To obtain the resolution you should use clock_getres() if you have it. Unix systems without clock_getres() tend to have a resolution of 10 milliseconds. There is no reliable way to obtain the resolution with gettimeofday().