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Thu Jun 12 22:07:40 PDT 2014

processors per node. But  constellation is a system which has the number of
processor per node greater than number of node.

For examples, If you connect 4 of 16 processors SMP together it is a constellation.
But 64 of dual processor node is MPP .

Hope this correct.


Quoting Yung-Sheng Tang <beowulf at>:

> First, I am sorry this is somewhat off-topic. I was reading TOP500
> stuffs then, and found two classifications of "MPP" and "constellation".
> What's the difference between these two categories? Actually, there is a
> SGI Origin 2000 in my office. According to the TOP500 database, it
> belongs to Constellation; On the other hand, IBM pSeries 690 is a
> typical MPP. But to me, their architectures seem to be quite similar.
> Thanks for any response to my stupid question.
> Tang
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