Impact of Maximum Hops Per Cycle On Network-on-Chip Router using Express Bypass Channels

Abstract

We investigate the effect of maximum hops per cycle in a Network-on-Chip (NoC) router which uses Express Bypass Channels (EBC). To reduce transmission latency, NoC with EBC sends all bypass requests and flits at the same time. The flits are allowed to traverse both one-and two-dimension paths without getting latched in any of the routers. According to the simulation results, the transmission latency is reduced significantly even when only two nodes are permitted to be skipped using EBC.