
Hybrid Topology Exploration for RF-Based On-Chip Networks 211
Request
generation
1. Decoding
and routing
2.Arbitration
Grant
Selective
wakeup
Request
generation
Grant
Selective
wakeup
Bus
Transfer
Stages
Bus
Transfer
Stages
Packetization
Injection into
global router
Depacketiz-
ation
Grant
Selective
wakeup
Bus
Transfer
Stages
1. Decoding
and routing
2.Arbitration
1. Decoding
and routing
2.Arbitration
Local
Transaction
To global
network
From global
network
FIGURE 6.5
Hierarchical network packet traversal.
0
10
20
30
40
50
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.12
0.14
0.16
Avg packet latency(cycles)
Offered load (packets/node/cycle)
mesh cmesh
fbfly hier
FIGURE 6.6
Average pac ...