• DocumentCode
    1398427
  • Title

    Aérgia: A Network-on-Chip Exploiting Packet Latency Slack

  • Author

    Das, Reetuparna ; Mutlu, Onur ; Moscibroda, Thomas ; Das, Chita R.

  • Author_Institution
    Intel Labs., Intel Corp., Santa Clara, CA, USA
  • Volume
    31
  • Issue
    1
  • fYear
    2011
  • Firstpage
    29
  • Lastpage
    41
  • Abstract
    A traditional Network-on-Chip (NoC) employs simple arbitration strategies, such as round robin or oldest first, which treat packets equally regardless of the source applications´ characteristics. This is suboptimal because packets can have different effects on system performance. We define slack as a key measure for characterizing a packet´s relative importance. Aérgia introduces new router prioritization policies that exploit interfering packets´ available slack to improve overall system performance and fairness.
  • Keywords
    network routing; network-on-chip; network-on-chip; packet latency slack; router prioritization policies; system performance; On-chip networks; arbitration; criticality; memory systems; multicore; packet scheduling; prioritization; slack;
  • fLanguage
    English
  • Journal_Title
    Micro, IEEE
  • Publisher
    ieee
  • ISSN
    0272-1732
  • Type

    jour

  • DOI
    10.1109/MM.2010.98
  • Filename
    5661757