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Emerging Technologies of Computation

Emerging Technologies of Computation. Montek Singh COMP790-084 Nov 8, 2011. Today: Multicore Systems (Network on Chip). Basics of network-on-chip what is an NOC? why is an NOC needed? main features examples Next two classes case studies benefits and challenges

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Emerging Technologies of Computation

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  1. Emerging Technologies of Computation Montek Singh COMP790-084 Nov 8, 2011

  2. Today: Multicore Systems (Network on Chip) • Basics of network-on-chip • what is an NOC? • why is an NOC needed? • main features • examples • Next two classes • case studies • benefits and challenges • key research problems

  3. What is an NOC? • Communication fabric between components/cores

  4. On-Chip Communication Trends • Wires getting “worse”

  5. Communication inside a System-on-Chip (SoC) • Several topologies

  6. Pros and Cons of NOC vs. Buses

  7. Topology Example • Grid-structured NoC

  8. Homogeneity and Granularity

  9. Layers of abstraction • … in terms of OSI layer model of networking

  10. NoC Research Areas

  11. Zooming in onto the n/w adapter or router • Analogous to the network adapters for Wifi/Ethernet

  12. Generic router

  13. Topologies: Regular

  14. Topologies: Irregular

  15. VLSI layout aspects • thin (spread) layout vs. concentrated

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