[coyotos-dev] coyotos.sleep, sleepTill, the epoch

Jonathan S. Shapiro shap at eros-os.com
Tue Feb 13 07:26:07 CST 2007

On Tue, 2007-02-13 at 01:50 +0100, Valerio Bellizzomi wrote:

> In some standalone measurement applications where you need to know the
> exact time when the measure was taken. It matters even if the drift is 1
> ms !
> Probably I am asking too much out of PC hardware.

No. You are asking too much of the laws of physics. What you ask is
impossible in the absence of a time reference.

In the absence of a common time reference all that is possible is to
know the rate at which the hardware counter increases.
Jonathan S. Shapiro, Ph.D.
Managing Director
The EROS Group, LLC
+1 443 927 1719 x5100

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