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EnglishAn asynchronous high-performance low-power 5-port network-on-chip (NoC) router is introduced. The proposed router integrates low-latency input buffers using a circular FIFO design, and a novel end-to-end credit-based virtual channel (VC) flow control for a replicated switch architecture. This asynchronous router is then compared to an AMD synchronous router, in a realistic advanced 14nm FinFET library. This is the first such comparison, to the best of our knowledge, using a real synchronous router baseline already fabricated in several commercial products. Initial post-synthesis pre-layout experiments show dominating results for the asynchronous router, when compared to the synchronous router. In particular, 55% less area and 28% latency improvement are observed for the asynchronous implementation. Also, 88% and 58% savings in idle and active power, respectively, are obtained.
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| Titolo: | An asynchronous NoC router in a 14nm FinFET library: Comparison to an industrial synchronous counterpart | |
| Autori: | ||
| Data di pubblicazione: | 2017 | |
| Abstract: | An asynchronous high-performance low-power 5-port network-on-chip (NoC) router is introduced. The proposed router integrates low-latency input buffers using a circular FIFO design, and a novel end-to-end credit-based virtual channel (VC) flow control for a replicated switch architecture. This asynchronous router is then compared to an AMD synchronous router, in a realistic advanced 14nm FinFET library. This is the first such comparison, to the best of our knowledge, using a real synchronous router baseline already fabricated in several commercial products. Initial post-synthesis pre-layout experiments show dominating results for the asynchronous router, when compared to the synchronous router. In particular, 55% less area and 28% latency improvement are observed for the asynchronous implementation. Also, 88% and 58% savings in idle and active power, respectively, are obtained. | |
| Handle: | http://hdl.handle.net/11392/2373297 | |
| ISBN: | 978-3-9815370-9-3 | |
| Appare nelle tipologie: | 04.2 Contributi in atti di convegno (in Volume) |
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