Hi,

Do the ultra 2 boxes run ok if you don't have a screen and a keyboard, ie, can 
they run from the tty port?

Thanks!

cheers

bruce

On Mon, Jun 20, 2005 at 01:33:45PM +0200, Timo Schoeler wrote:
> thus Michael spake:
> > Hello,
> > 
> > 
> >> I realize that NetBSD doesn't support multiprocessor sparcv9
> >> systems yet, but, I assume that that's only a matter of time.  I
> >> might be able to help with this if I get a smp v9 system.
> > 
> > 
> > Now that X works fine on sparc64 the next target would be SMP.
> > 
> > 
> >> What I don't have a good feel for is how these type of systems
> >> perform.  My jobs will be mostly integer work that is strictly CPU
> >> bound.  The memory bandwidth needed isn't very high.  Disk I/O
> >> doesn't really matter too much, ie, nfs across 10baseT is fine.
> >> 
> >> I have one existing sparc system (ss4, 110mhz) that compared to the
> >> other systems (say a 200mhz 604e) is quite underwhelming.  Are the
> >> Supersparcs and hypersparcs likely to be as slow as the microsparc
> >> IIs?  And how does the Ultra 2 compare to the Supersparcs and
> >> hypersparcs?
> > 
> > 
> > I think /any/ of your candidates would be faster than a microSPARC on
> > a work-per-clock ratio. These CPUs aren't superscalar ( Super- and
> > UltraSPARC are, not sure about HyperSPARC ) and have no L2 cache (
> > only small L1 ).
> 
> i have a SS20 with Dual 85MHz SuperSPARC II (those weren't supported by
> SUN IIRC because of the huge amount of heat they generate) which is
> faster than a 200MHz HyperSPARC dualie of a friend. as a rule of thumb
> one can say that the SuperSPARC II is at least as fast as a HyperSPARC
> with twice the clock.
> 
> furthermore, the HyperSPARCs have a weak cache interface (depends on the
> model, tho).
> 
> the only way to get a HyperSPARC way beyond a SuperSPARC II machine (in
> performance as well as in price ;) is to get a quad CPU HyperSPARC
> (there were 200MHz dual modules, but i think you pay for them their own
> weight worth in gold)...
> 
> so best bet would be a U2 with UltraSPARC II (300 or 400MHz, the latter
> ones far more expensive than the 300MHz). avoid UltraSPARC I. and pray
> for the NetBSD guys to get SMP running on sparc64 ;)
> 
> timo

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