Achieving Predictable High Performance in Imbalanced Fat Trees

  title={Achieving Predictable High Performance in Imbalanced Fat Trees},
  author={Bartosz Bogdanski and Frank Olaf Sem-Jacobsen and Sven-Arne Reinemo and Tor Skeie and Line Holen and Lars Paul Huse},
  journal={2010 IEEE 16th International Conference on Parallel and Distributed Systems},
The fat-tree topology has become a popular choice for InfiniBand fabrics due to its inherent deadlock freedom, fault-tolerance and full bisection bandwidth. InfiniBand is used by more than 40% of the systems on the latest Top 500 list, and many of these systems are based on a fat-tree topology. However, the current InfiniBand fat-tree routing algorithm… CONTINUE READING