Slide 2
Slide 2 text
The 27th Workshop on Sustained Simulation Performance (WSSP27)
Scale-out of Interconnects
Interconnects are becoming increasingly
larger and complex
‣ since the number of nodes it has to
accommodate is increasing
‣ can consume up to 50% of total power [1]
and 1/3 of total budget [2] of a cluster
2
Number of Cores of Top500 Systems
1E+02 1E+04 1E+06 1E+08
2002/06
2004/06
2006/06
2008/06
2010/06
2012/06
2014/06
2016/06
1st 10th 100th
[1] J. Kim et al.“Flattened Butterfly : A Cost-Efficient Topology for High-
Radix Networks,” ISCA, vol. 35, no. 2, pp. 126–137, 2007.
[2] D. Abts et al., “Energy proportional datacenter networks,” ACM
SIGARCH Comput. Archit. News, vol. 38, no. 3, p. 338, 2010.