Hardware Description
Physically, the Origin 3000 is based on "bricks" - rackmounted modules that provide a specific function, that are connected together using NUMAlink 3 cables for modules providing compute functions, or Crosstown2 cables for modules providing I/O functions. These bricks are mounted in a standard 19-inch rack. There are two racks for the Origin 3000, a 17U-high short rack, and a 39U-high tall rack.
Architecturally, the Origin 3000 is based on the distributed shared memory NUMAflex architecture. The NUMAlink 3 system interconnect uses a fat tree hypercube network topology.
Read more about this topic: SGI Origin 3000 And Onyx 3000, Origin 3000
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