Unifying on-chip and inter-node switching within the Anton 2 network

  title={Unifying on-chip and inter-node switching within the Anton 2 network},
  author={Brian Towles and J. P. Grossman and Brian Greskamp and David E. Shaw},
  journal={2014 ACM/IEEE 41st International Symposium on Computer Architecture (ISCA)},
The design of network architectures has become increasingly complex as the chips connected by inter-node networkshave emerged as distributed systems in their own right, complete with their own on-chip networks. In Anton 2, a massively parallel special-purpose supercomputer for molecular dynamics simulations, we managed this complexity by reusing the on-chip network as a switch for inter-node traffic. This unified network approach introduces several design challenges. Maintaining fairness within… CONTINUE READING
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