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Support Efficient and Fault-Tolerant Multicast in Bufferless Network-on-Chip
National University of Defense Technology, China.
KTH, Skolan för informations- och kommunikationsteknik (ICT), Elektroniksystem.ORCID-id: 0000-0003-0061-3475
KTH, Skolan för informations- och kommunikationsteknik (ICT), Elektroniksystem.
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2012 (Engelska)Ingår i: IEICE transactions on information and systems, ISSN 0916-8532, E-ISSN 1745-1361, Vol. E95D, nr 4, s. 1052-1061Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

In this paper, we propose three Deflection-Routing-based Multicast (DRM) schemes for a bufferless NoC. The DRM scheme without packets replication (DRM_noPR) sends multicast packet through a non-deterministic path. The DRM schemes with adaptive packets replication (DRM_PR_src and DRM_PR_all) replicate multicast packets at the source or intermediate node according to the destination position and the state of output ports to reduce the average multicast latency. We also provide fault-tolerant supporting in these schemes through a reinforcement-learning-based method to reconfigure the routing table to tolerate permanent faulty links in the network. Simulation results illustrate that the DRM_PR_all scheme achieves 41%, 43% and 37% less latency on average than that of the DRM_noPR scheme and 27%, 29% and 25% less latency on average than that of the DRM_PR_src scheme under three synthetic traffic patterns respectively. In addition, all three fault-tolerant DRM schemes achieve acceptable performance degradation at various link fault rates without any packet lost.

Ort, förlag, år, upplaga, sidor
2012. Vol. E95D, nr 4, s. 1052-1061
Nyckelord [en]
bufferless network-on-chip, deflection routing, multicast, fault-tolerance
Nationell ämneskategori
Elektroteknik och elektronik
Identifikatorer
URN: urn:nbn:se:kth:diva-63637DOI: 10.1587/transinf.E95.D.1052ISI: 000302834400015Scopus ID: 2-s2.0-84859351307OAI: oai:DiVA.org:kth-63637DiVA, id: diva2:482836
Anmärkning
QC 20120515. Updated from submitted to published.Tillgänglig från: 2012-01-24 Skapad: 2012-01-24 Senast uppdaterad: 2017-12-08Bibliografiskt granskad

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Förlagets fulltextScopushttp://web.it.kth.se/~axel/papers/2012/IEICE-InfSystems-ChaochaoFeng.pdf

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Lu, Zhonghai

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Feng, ChaochaoLu, ZhonghaiJantsch, Axel
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Elektroniksystem
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IEICE transactions on information and systems
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