Subject: Re: Sparc 20 hypersparc vs Ultra 2
To: Bruce O'Neel <edoneel@sdf.lonestar.org>
From: Michael <macallan18@earthlink.net>
List: port-sparc64
Date: 06/20/2005 07:09:01
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Hello,

> I realize that NetBSD doesn't support multiprocessor sparcv9 systems yet,=
 but, I=20
> assume that that's only a matter of time.  I might be able to help with t=
his if=20
> 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=20
> 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=20
> 10baseT is fine.
>=20
> I have one existing sparc system (ss4, 110mhz) that compared to the other=
 systems=20
> (say a 200mhz 604e) is quite underwhelming.  Are the Supersparcs and hype=
rsparcs
> likely to be as slow as the microsparc IIs?  And how does the Ultra 2 com=
pare=20
> to the Supersparcs and hypersparcs?

I think /any/ of your candidates would be faster than a microSPARC on a wor=
k-per-clock ratio. These CPUs aren't superscalar ( Super- and UltraSPARC ar=
e, not sure about HyperSPARC ) and have no L2 cache ( only small L1 ).

have fun
Michael

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