Re: Timestamp counters on SMP

From: Boris Okun (bokun@home.com)
Date: Tue Mar 28 2000 - 23:02:17 EST


"H. Peter Anvin" wrote:
 If it works on 80386 and does not
> > work with different TSC's, then it is broken.
> >
>
> TSC's *DO* have the same rate (which varies from machine to machine,
> but on the same machine). They are high-precision realtime clocks.
>
> -hpa

Well, not always. I am typing this on the computer with P2/400 and
P3/450,
so my TSC's are different. If you search l-k you'll see that I am not
alone.
As I mentioned before, MPS specs actually call for the support of
different TSC's.

Boris

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