Intel 810 Random Number Generator

H. Peter Anvin hpa en transmeta.com
Sab Ene 29 06:58:55 CST 2000


Jamie Lokier wrote:
> 
> H. Peter Anvin wrote:
> > Ah, neither have I though (recent enough that I'd use it.)  I have been
> > trying to get one from Compaq/DEC for years, but I don't ever seem to
> > get to the right person.  (Is anyone at Compaq that could actually do
> > something reading this?)
> >
> > I'd really like to get fine-granularity timing on Alpha, just like we
> > have on Intel.   I understand the Alpha only has a 32-bit TSC, which
> > means it has to be periodically sampled to keep track of the high bits.
> 
> I read on this list that SMP Alphas don't necessarily have synchronised
> TSCs, which could be a bit a of a problem.
> 

This is exactly the stuff I'd like to work on, if I had an SMP Alpha ;)

It really isn't that hard to deal with for the kernel, incidentally; you
just have to make sure you keep track of the different TSCs
independently and use the appropriate one.

	-hpa

-- 
<hpa en transmeta.com> at work, <hpa en zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."

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