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OpenVMS timer accuracy is better than millisecond accuracy.

I am wondering which feature offers the best accuracy / accuracy for time on OpenVMS in C.

We have an HP Integrity rx2660 server running OpenVMS V8.3-1H1.

My search so far points to $ GETTIM_PREC, which offers 100-nano resolution, but millisecond accuracy. Does it work better?

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In the System Services Reference Guide :

On Integrity servers, $ GETTIM_PREC returns the system time after taking into account the time elapsed since the last update in a millisecond of the system time.

Alpha $GETTIM . ALPHA - SS $_LOWPREC.

, Integrity 1 , , , - .

EXE$GL_ABSTIM_TICS 10 . , IDSM V8.

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