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Communication Dans Un Congrès Année : 2016

Notifying Memories: a case-study on Data-Flow Applications with NoC Interfaces Implementation

Résumé

NoC-based architectures overcome the limitations of traditional buses by exploiting parallelism and offer large band-widths. NoC adoption also increases communication la-tency, which is especially penalising for data-flow applications (DF). We introduce the notifying memories (NM) concept to reduce this overhead. Our original approach eliminates useless memory requests. This paper demonstrates NM in the context of video coding applications implemented with dynamic DF. We have conducted cycle accurate sys-temC simulation of the NoC on an MPEG4 decoder to evaluate NM efficiency. The results show significant reductions in terms of latency (78%), injection rate (60%), and power savings (49%) along with throughput improvement (16%).
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Dates et versions

hal-01347736 , version 1 (26-07-2016)

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Kevin Martin, Mostafa Rizk, Martha Johanna Sepulveda Florez, Jean-Philippe Diguet. Notifying Memories: a case-study on Data-Flow Applications with NoC Interfaces Implementation. Design Automation Conference, Jun 2016, Austin, United States. ⟨10.1145/2897937.2898051⟩. ⟨hal-01347736⟩
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