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Architecture design principles for the integration of synchronization interfaces into network-on-chip switches

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3 Author(s)
Daniele Ludovici ; Computer Engineering Lab., TUDelft, 2628 CD, The Netherlands ; Alessandro Strano ; Davide Bertozzi

This paper contributes to the maturity of the GALS NoC design practice by advocating for tight integration of GALS synchronization interfaces into NoC architecture building blocks. At the cost of re-engineering the input/output stages of NoC switches and network interfaces, this approach proves capable of materializing GALS NoCs with the same area and power of their synchronous counterparts, while reducing latency at the clock domain boundary. This design style is experimented in this paper with a mesochronous synchronizer and a dual-clock FIFO, which are tightly coupled with the switches of the xpipesLite NoC architecture.

Published in:

Network on Chip Architectures, 2009. NoCArc 2009. 2nd International Workshop on

Date of Conference:

12-12 Dec. 2009