> > Agreed, I had to turn about 20 dual-core servers to single
> > core because the only way to get a monotonic gtod made it
> > so slow that it was not worth using a dual-core. I initially
> > considered buying one dual-core AMD for my own use, but after
> > seeing this, I'm definitely sure I won't ever buy one as
> > long as this problem is not fixed, as it causes too
> > many problems.
>
> Does anyone know if the problem will really be fixed in new
> CPUs, as AMD promised a year or so ago?
>
> http://lkml.org/lkml/2005/11/4/173
>
> Since that post, there has been Socket F and AM2 which apparently have
> the same issue.
> Were the AMD guys just blowing smoke?
AMD was not blowing smoke. Future AMD processors will have
pstate/cstate invariant TSCs detectable by a CPUID bit.
Unfortunately, those processors have not be released yet, and
I can't comment on their release timeframe, other than to say
they are on our roadmap.
-Mark Langsdorf
AMD, Inc.
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