"David J Taylor" <[email protected]> writes:
>Unruh wrote: >[] >> Since the same machine can run Linux or BSD whose resolution is usec >> or >> nsec, yes, the hardware can do better. The question is how good is the >> software in the kernel. If I do a timestamp on an event, how accurate >> is >> that timestamp? >> Is it msec? Is it 15msec? >The precision with which a standard Windows system call returns the >current time will be 1 millisecond. The value reported by that call may >step in 1, 10 or 15ms steps depending on the version of Windows you use, >and whether you turn on the "fast" timer (the multi-media timer). >I am running ntp on windows and it is reporting offsets of a fraction of a >millisecond, so does that mean that the milliseconds reported are within a >millisecond of UTC? Thanks. That was waht I wanted to know. >It's not a matter of "how good" is the kernel, it's what the design >specifications are, if I understand it correctly, and the design specs for >different versions of Windows are different. Well, I call "good" to include the design. If a car is designed so that the wheels fall off every 100 miles, no matter how closely the car meets the design, it is a bad car. _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
