Abstract
Arbitration policies and predictability enhancement measures typically employ packet priority as the decisive parameter. Though packet timeliness is a key attribute, Network-on-Chip designs rarely consider timeliness as a parameter mostly due to the impracticality of utilising time stamping which relay on the notion of a global time. In this paper, we introduce a low overhead approach where packets carry a slack value, which would notify the router of the latency the packet can suffer without any adverse effects. This would enable routers to service late packets (even lower priority ones) by trading the expendable time associated with the high priority packets hence improving overall quality of service. Utilising a Hardware Description Language coded prototype, we demonstrate the effectiveness of the technique and quantify the associated hardware overhead.
Original language | English |
---|---|
Title of host publication | 13th International Conference on Industrial Informatics (INDIN), 2015 |
Publisher | IEEE |
Pages | 227-232 |
Number of pages | 6 |
ISBN (Print) | 9781479966493 |
DOIs | |
Publication status | Published - 28 Sept 2015 |
Event | 13th International Conference on Industrial Informatics, INDIN 2015 - Cambridge, United Kingdom Duration: 22 Jul 2015 → 24 Jul 2015 |
Conference
Conference | 13th International Conference on Industrial Informatics, INDIN 2015 |
---|---|
Country/Territory | United Kingdom |
City | Cambridge |
Period | 22/07/15 → 24/07/15 |
Keywords
- Arbitration
- Network-on-Chip
- On-chip networks
- Predictability
- Prioritisation
- Timeliness