Re: Intel P6 vs P7 system call performance

H. Peter Anvin (hpa@transmeta.com)
Thu, 19 Dec 2002 14:30:24 -0800

Pavel Machek wrote:
>
> User on cpu1 reads time, communicates it to cpu2, but cpu2 is drifted
> -50ns, so it reads time "before" time reported cpu1. And gets confused.
>

How can you get that communication to happen in < 50 ns?

-hpa

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