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2008
IEEE

Distributed flit-buffer flow control for networks-on-chip

9 years 8 months ago
Distributed flit-buffer flow control for networks-on-chip
The combination of flit-buffer flow control methods and latency-insensitive protocols is an effective solution for networks-on-chip (NoC). Since they both rely on backpressure, the two techniques are easy to combine while offering complementary advantages: low complexity of router design and the ability to cope with long communication channels via automatic wire pipelining. We study various alternative implementations of this idea by considering the combination of three different types of flit-buffer flow control methods and two different classes of channel repeaters (based respectively on flip-flops and relay stations). We characterize the area and performance of the two most promising alternative implementations for NoCs by completing the RTL design and logic synthesis of the repeaters and routers for different chanllelisms. Finally, we derive high-level abstractions of our circuit designs and we use them to perform system-level simulations under various scenarios for t...
Nicola Concer, Michele Petracca, Luca P. Carloni
Added 29 May 2010
Updated 29 May 2010
Type Conference
Year 2008
Where CODES
Authors Nicola Concer, Michele Petracca, Luca P. Carloni
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