Bernd Eckenfels <ecki@calista.eckenfels.6bone.ka-ip.net> writes:
> In article <03022522230400.04587@tabby> you wrote:
> > The output is fed to memory on every clock tick. (most Cray processors have 4
>
> > memory busses for each processor - two for input data, one for output data
> > and one for the instruction stream
>
> The fastest Cray on top500.org is T3E1200 on rank _22_, the fastest IBM is
> ranked _2_ with a Power3 PRocessor. There are 13 IBM systems before the
> first (fastest) Cray system. Of course those GFlops are measured for
> parallel problems, but there are a lot out there.
And it is especially interesting when you note that among 2-5 the
ratings are so close a strong breeze can cause an upset. And that #5
is composed of dual CPU P4 Xeon nodes....
Eric
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This archive was generated by hypermail 2b29 : Fri Feb 28 2003 - 22:00:34 EST