Tofu : Interconnect for the K computer

  title={Tofu : Interconnect for the K computer},
  author={Yuuichirou Ajima and Tomohiro Inoue and Shinya Hiramoto and Toshiyuki Shimizu},
Torus fusion (Tofu) is an interconnect for massive parallel computers, and it has been developed to build the K computer that interconnects more than 80 000 nodes. The Tofu interconnect achieves high scalability beyond 100 000 nodes, high performance, high reliability, and high availability. The network topology is a highly scalable six-dimensional mesh/torus. The link throughput is 5 GB/s in each direction. Each node can communicate in four directions simultaneously. The three-dimensional… CONTINUE READING
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