Stream arbitration: Towards efficient bandwidth utilization for emerging on-chip interconnects

Chunhua Xiao*, Mau-Chung Chang, Jason Cong, Michael Gill, Zhangqin Huang, Chunyue Liu, Glenn Reinman, Hao Wu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Alternative interconnects are attractive for scaling on-chip communication bandwidth in a power-efficient manner. However, efficient utilization of the bandwidth provided by these emerging interconnects still remains an open problem due to the spatial and temporal communication heterogeneity. In this article, a Stream Arbitration scheme is proposed, where at runtime any source can compete for any communication channel of the interconnect to talk to any destination. We apply stream arbitration to radio frequency interconnect (RF-I). Experimental results show that compared to the representative token arbitration scheme, stream arbitration can provide an average 20% performance improvement and 12% power reduction.

Original languageEnglish
Article number60
JournalTransactions on Architecture and Code Optimization
Issue number4
StatePublished - 1 Jan 2013


  • Arbitration
  • Network-on-Chip
  • Radio frequency interconnect

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