[geeks] thoughts.

[Ryn]

Anyone done and SPEC X comparisons between dual SM81s and an UltraSPARC I
@143MHZ? I
am curious which would be  abetter graphical workstation, and some testing would
help me make that
choice.


----- Original Message -----
From: "Bill Bradford" <mrbill at mrbill.net>
To: <geeks at sunhelp.org>
Sent: Saturday, May 04, 2002 9:19 AM
Subject: Re: [geeks] thoughts.


> On Sat, May 04, 2002 at 07:11:58AM +0100, Chris Byrne wrote:
> > 1. Would the SM520 be the fastest dual processor Mbus module that work with
> > the SS20?
>
> No, you'd want one of the dual 200 HyperSPARCs.
>
> > 2. Which would be faster for a good mix of multi threaded applications, dual
> > SM81 (2 procs total) or dual SM520 (4 procs total)?
>
> I'd go for dual SM81.
>
> > 3. Would two ross dual proc 142Mhz 1mb modules or two ross dual 125mhz 1mb
> > modules work config and heat wise? As far as I can tell they are the fastest
> > dual processor module with 1mb of cache.
>
> THey'd work, you'd just want to do some testing and make sure they didnt
> overheat the box.
>
> > 4. Would I be correct in assuming that the massive increase in clockspeed
> > would make up for the architecture differences between the HyperSPARC Ross
> > modules above and the SuperSPARC-II sm81?
>
> Not sure with the latest 1meg-cache HyperSPARCs.  However, from what I've
> seen, a 100Mhz HyperSPARC w/256K is about equivalent to a SM61 (60Mhz/1meg).
>
> > 5. Assuming I COULD get it to work heat wise would the 200mhz clock speed
> > and larger l1 and othjer achitecture inprovemnts in the 620d make up for
> > having half the cache at half the speed as the 620c 142Mhz modules? I have
> > the suspicion that it wouldnt, but I may be wrong.
>
> See above.
>
> > 6. Would one of the clones (say an axil s/420) have good enough, or be
> > easily moddable to provide enough cooling for the quad 200mhz?
>
> Just cut a hole in the top of the case and mount a 3" fan on there. 8-)
>
> Bill
>
> --
> Bill Bradford     | "Fear leads to anger. Anger leads to hate.
> mrbill at mrbill.net | Hate leads to using Windows for mission-critical
> Austin, TX        | applications." -- What Yoda *meant* to say
> _______________________________________________
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