Modeling of Bidirectional-Channel NoC
Date Issued
2012
Date
2012
Author(s)
Weng, Yi-Yao
Abstract
Network on Chip (NoC) is an emerging design implemented in an SoC for the communication of IPs since the advence of deep sub-micron technology in recent years. This Thesis proposes a three-dimensional model for a Bi-directional NoC (BiNoC). This three-dimensional model inspires us with a new routing algorithm for BiNoC, called bidirectional routing (BI-Routing) and a flow control method for BiNoC, called time division multiplexing BiNoC (TDM-BiNoC). Bi-Routing is a fully adaptive routing algorithm using different layers in the proposed three-dimensional model to avoid deadlock without prohibiting any paths. TDM-BiNoC adopts the time division multiplexing concept in the three-dimensional model to release congestion and thus avoid deadlock. TDM-BiNoC dynamically allocates the time slots for the bidirectional channels. In summary, both our proposed Bi-Routing and TDM-BiNoC can increase the load balance of an NoC and reduce its latency. Experimental simulation results showed its better performance with admissible area, power, and timing overhead.
Subjects
Network-on-chip (NoC)
Bidirectional channel
Fully Adaptive Routing
Channel Control
Type
thesis
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