A 15 mW 1.6 Gb/s wormhole data router for 2-D meshes

Abstract

We designed and implemented a wormhole data router chip for 2-D meshes with bi-directional channels and token-exchange arbitration. In our design, the token-exchange delay is fully hidden and no latency penalty occurs when there is no traffic contention. We have distributed decoders and arbiters for each IO port, and a fully-connected crossbar switch to… (More)

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