[Sunhelp] HW Questions

[James Lockwood]

On Mon, 3 Apr 2000, Gregory Leblanc wrote:

> No, definately not.  They are both "sun4m", but the SS10 is using an SM41,
> 40Mhz, 1MB of SuperCACHE.  The SS5 is using a 70MHz MicroSPARC-II with some
> teeny ammount of cache (I don't remember how much right now).  I just found
> a nice table of LOTS of benchmarks of sun processors (spec numbers) in a
> nice format, but I can't seem to find it right now.  This is from someplace
> else, but good enough, I guess.  
> 
> System            CPU        ClkMHz  Cache      SPECint SPECfp  Info  Source
> Name              (NUMx)Type ext/in  Ext+I/D      92      92    Date
> Obtained
> ================= ========== ======= ========== ======= ======= =====
> =========
> Sun SS10/40       SuprSP     40      20/16        50.2    60.2  Apr93
> Sunflash
> Sun SS5/70        MicroSP2   70      16/8         57.0    47.3  Mar94
> Sunflash

The number for the SS10 here is for the cacheless SM40.  The cacheful SM41
is a bit faster:

Sun SS10/41       SuprSP     40/40.3 1M+20/16     53.2    67.8  Apr93

The big advantage to the SM41 is that it is MP-capable.  MP-capable SM40's
exist but are very rare.

> These might be the same ones that James L quotes all the time, but I'm not
> sure.  Looks like the SS5 is going to be faster on integer performance, but
> quite a bit slower on the floating point side.  Even if they were swappable,
> it might not be such a good idea.  I don't know which is going to affect you
> more, but you could always sell the SS5 and get another proc for the SS10,
> or sell both and get an Ultra 1.

Agreed.

-James