Dynamic Power Management of Voltage-Frequency Island Partitioned Networks-on-Chip using Intel Sing-Chip Cloud Computer

  • Authors:

  • Radu David;Paul Bogdan;Radu Marculescu;Umit Ogras

  • Affiliations:

  • Carnegie Mellon University, Pittsburgh, PA;Carnegie Mellon University, Pittsburgh, PA;Carnegie Mellon University, Pittsburgh, PA;Strategic CAD Laboratories, Intel Corporation, Hillsboro, OR

  • Venue:
  • NOCS '11 Proceedings of the Fifth ACM/IEEE International Symposium on Networks-on-Chip
  • Year:
  • 2011

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Abstract

Continuous technology scaling has enabled the integration of multiple cores on the same chip. To overcome the disadvantages of buses, the Network-on-Chip (NoC) architecture has been proposed as a new communication paradigm. To further mitigate the tradeoff between performance and power consumption, dynamic voltage and frequency scaling (DVFS) became the de facto approach in multi-core design. DVFS-based NoC communication was implemented in Intel's most recent Singlechip Cloud Computer (SCC). Using the SCC we demonstrate a power management algorithm that runs in real time and dynamically adjusts the performance of the islands to reduce power consumption while maintaining the same level of performance.