SGI scaleable cluster and workgroup solution

Latency

Pin to pin hub 41 ns

Local memory 310 ns

4P remote memory 540 ns

8P average remote memory 707 ns

16P average remote memory 726 ns

32P average remote memory 773 ns

64P average remote memory 867 ns

128P average remote memory 945 ns

Node-to-node 16 kB page block transfer < 30 ?s

Electrical interconnect:

• 44 signal pins per direction

• up to 5 m electrical cable

Node-to-node access

0.73 GByte/s peak per direction

0.625 GByte/s sustained per direction

Memory access

0.78 GByte/s peak total

0.78 GByte/s sustained total

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