BBN Butterfly

The BBN Butterfly was a massively parallel computer built by Bolt, Beranek and Newman in the 1980s. It was named for the `butterfly` multi-stage switching network around which it was built. Each machine had up to 512 CPUs, each with local memory, which could be connected to allow every CPU access to every other CPU`s memory, although with a sub......
Found on http://en.wikipedia.org/wiki/BBN_Butterfly
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