Cheap PCs from Wal-Mart
joelja at darkwing.uoregon.edu
Mon Jun 2 18:48:22 EDT 2003
On Mon, 2 Jun 2003, Ken Chase wrote:
> On Mon, Jun 02, 2003 at 02:18:06PM -0700, Alvin Oga's all...
> >> hmm. for rhetorical purposes, let's compare the numbers from this article
> >> to two high-end unis:
> >> dhry whet mmi mmf memi memf
> >> e800 1048 285 963 1588 194 208
> >> e10k 1300 351 1193 1968 233 245
> >> e10k-n 1591 366 2255 2285 664 389
> >> p4 6809 9327 22170 13896 5050 5041
> >> ath 3319 8855 13011 12217 2912 3080
> >I wonder what the specific details was for the aove p4/ath cpus.
> >For the $$$ difference betwen a p4/amd and c3 ... it seems
> >like a non-issue for performance of spending the extra $50 - $100
> >for better performance in the above benchmark numbers
> >( but, its a bigger price/performance gap for the lastest FSB-800 cpus
> > and runs $300 - $500 or higher
> >good stuff in either case ...
> Since power & cooling is almost always free for .edu's, yes, .edu cluster
> design and others' will be extremely different.
I'm not entirely clear on the compatibility of the phrase "Since power &
cooling is almost always free for .edu's," and the phrase "massive chiller
upgrade required". clusters especially large ones have real costs
associated with power, space, and cooling that can't been hidden in your
> Not to mention that .edu's cant stand losing nodes in a throwaway
> design that accomodates tolerable rates of failure. (Anyone operating
> a cluster in this mode? Im very curious as to how you surmounted the
> psychological objections to it!)
> When you say 'TCO' you REALLY have to define what you mean -- "total cost
> of OWNERSHIP" or "total cost of OPERATION"? You can own a really nice
> cluster for $x if you dont have to cut $x into slices to buy it
> AND pay for running power and cooling for it for n years.
> Anyone admit to being in the 'must pay for power and other operationals'
> camp and want to explain how their designs differ? (especially those
> that pay a premium for floor space - these edens start winning on two
> fronts. Low heat = low space requirements.)
> I suspect EDENs will be viable for people in the expensive power & floorspace
> areas (Bay area, etc?)
Joel Jaeggli Academic User Services joelja at darkwing.uoregon.edu
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