Aérgia: A network-on-chip exploiting packet latency slack

Reetuparna Das, Onur Mutlu, Thomas Moscibroda, Chita Das

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


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.

Original languageEnglish (US)
Article number5661757
Pages (from-to)29-41
Number of pages13
JournalIEEE Micro
Issue number1
StatePublished - Jan 2011

All Science Journal Classification (ASJC) codes

  • Software
  • Hardware and Architecture
  • Electrical and Electronic Engineering


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