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Power-efficient Tree-based Multicast Support for Networks-on-Chip
KTH, Skolan för informations- och kommunikationsteknik (ICT), Elektroniksystem.
KTH, Skolan för informations- och kommunikationsteknik (ICT), Elektroniksystem.ORCID-id: 0000-0003-0061-3475
KTH, Skolan för informations- och kommunikationsteknik (ICT), Elektroniksystem.
2011 (engelsk)Inngår i: Proceedings of the Asian Pacific Design Automation Conference (ASPDAC), 2011, s. 363-368Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this paper, a novel hardware support for multicast on mesh Networks-on-Chip (NoC) is proposed. It supports multicast routing on any shape of tree-based paths. Two power-efficient tree-based multicast routing algorithms, Optimized tree (OPT) and Left-XY-Right-Optimized tree (LXYROPT) are also proposed. XY tree-based (XYT) algorithm and multiple unicast copies (MUC) are also implemented on the router as baselines. Along with the increase of the destination size, compared with MUC, OPT and LXYROPT achieve a remarkable improvement in both latency and throughput while the average power consumption is reduced by 50% and 45%, respectively. Compared with XYT, OPT is 10% higher in latency but gains 17% saving in power consumption. LXYROPT is 3% lower in latency and 8% lower in power consumption. In some cases, OPT and LXYROPT give power saving up to 70% less than the XYT.

sted, utgiver, år, opplag, sider
2011. s. 363-368
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-63673DOI: 10.1109/ASPDAC.2011.5722214Scopus ID: 2-s2.0-79952980877OAI: oai:DiVA.org:kth-63673DiVA, id: diva2:482673
Konferanse
the Asian Pacific Design Automation Conference
Merknad
QC 20120209Tilgjengelig fra: 2012-01-24 Laget: 2012-01-24 Sist oppdatert: 2012-03-22bibliografisk kontrollert

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