Research Article

Intelligent On/Off Dynamic Link Management for On-Chip Networks

Table 1

Power savings/hardware overhead comparisons.

Related workCharacteristicsPower savings comparing to no algorithmHardware overhead

[1] 8 × 8 2D mesh topology, Uniform traffic~37,5%—turning on/off 2 links per routerN/A

[11] 8 × 8 2D mesh topology, Pareto distribution—0.5 packet injection rate~30%500 equivalent logic gates per router port Delay ignored

Proposed ANN-based technique 8 × 8 2D mesh topology and 8 × 8 torus topology,uniform trafficUp to ~40%—turning on/off links based on ANN prediction4% of the NoC hardware for a complete 4 × 4 Mesh NoC