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Wormhole Routing

Transmit a 100 byte message through a 100 MB/s network.

• 1 mu s transmission time.
• Store and forward:
  • 1 nodes: 1 mu s.
  • 8 nodes: 8 mu s.
• Wormhole: 4 bytes/flit.
  • 1 node: 1 mu s.
  • 8 node: 1+7/25=1.28 mu s.

Distance of communication does not matter any more!