Systems from microprocessors to supercomputers, from embedded systems-on-a-chip to Internet routers are becoming increasingly interconnected, relying on network fabrics to scale up. With networks taking up a substantial portion of a system's imited power budget, it is now critical to explore low-power interconnection networks. In this talk, I'll briefly survey my group's research in low-power networks, in both design tools as well as network architectures, then zoom into our work on network thermal modeling and management. I'll round off the talk with a brief discussion on our ongoing research thrust towards "network-driven architectures" for CMPs which explores the embedding of global coordination functions such as coherence directories within the network fabric, leveraging the inherent scalability of networks for future many-core chips.Systems from microprocessors to supercomputers, from embedded systems-on-a-chip to Internet routers are becoming increasingly interconnected...all »Systems from microprocessors to supercomputers, from embedded systems-on-a-chip to Internet routers are becoming increasingly interconnected, relying on network fabrics to scale up. With networks taking up a substantial portion of a system's imited power budget, it is now critical to explore low-power interconnection networks. In this talk, I'll briefly survey my group's research in low-power networks, in both design tools as well as network architectures, then zoom into our work on network thermal modeling and management. I'll round off the talk with a brief discussion on our ongoing research thrust towards "network-driven architectures" for CMPs which explores the embedding of global coordination functions such as coherence directories within the network fabric, leveraging the inherent scalability of networks for future many-core chips.«
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