Moadeli, M. and Vanderbauwhede, W. (2010) Communication modeling of multicast in all-port wormhole-routed NoCs. Journal of Systems and Software, 83(8), pp. 1327-1336. (doi: 10.1016/j.jss.2010.01.016)
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Abstract
Multicast is one of the most frequently used collective communication operations in multi-core SoC platforms. Bus as the traditional interconnect architecture for SoC development has been highly efficient in delivering multicast messages. Since the bus is non-scalable, it can not address the bandwidth requirements of the large SoCs. The networks on-chip (NoCs) emerged as a scalable alternative to address the increasing communication demands of such systems. However, due to its hop-to-hop communication, the NoCs may not be able to deliver multicast operations as efficiently as buses do. Adopting multi-port routers has been an approach to improve the performance of the multicast operations in interconnection networks. This paper presents a novel analytical model to compute communication latency of the multicast operation in wormhole-routed interconnection networks employing asynchronous multi-port routers scheme. The model is applied to the Quarc NoC and its validity is verified by comparing the model predictions against the results obtained from a discrete-event simulator developed using OMNET++.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Vanderbauwhede, Professor Wim and Moadeli, Mr Mahmoud |
| Authors: | Moadeli, M., and Vanderbauwhede, W. |
| Subjects: | Q Science > QA Mathematics > QA75 Electronic computers. Computer science |
| College/School: | College of Science and Engineering > School of Computing Science |
| Journal Name: | Journal of Systems and Software |
| Publisher: | Elsevier Inc. |
| ISSN: | 0164-1212 |
| ISSN (Online): | 1873-1228 |
| Published Online: | 20 January 2010 |
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