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Graphene-enabled hybrid architectures for multiprocessors: Bridging nanophotonics and nanoscale wireless communication

Sergi Abadal, Albert Cabellos-Aparicio, Jose A. Lazaro, Eduard Alarcon, Josep Sole-Pareta
2012 2012 14th International Conference on Transparent Optical Networks (ICTON)  
/optical-wired architecture based on both a photonic Network-on-Chip (NoC) and a wireless NoC.  ...  Nevertheless, the traditional incompatibility of CMOS with the optical technology, and the difficulty for alloptical implementation of some key functions such as buffering and header processing, have been  ...  A POTENTIAL SOLUTION FOR ON-CHIP COMMUNICATIONS The design of scalable photonic NoC architectures is conditioned by the lack of all-optical multiport switches, routers or efficient flow control mechanisms  ... 
doi:10.1109/icton.2012.6254490 fatcat:w5xcroaz6jg4tn4ynrifu23fyy

A Survey of Emerging Interconnects for On-Chip Efficient Multicast and Broadcast in Many-Cores

Ammar Karkar, Terrence Mak, Kin-Fai Tong, Alex Yakovlev
2016 IEEE Circuits and Systems Magazine  
In particular, a performance bottleneck has emerged due to the demands for communication in terms of bandwidth for multicasting and broadcasting.  ...  As a result, various state-of-the-art architectures have been proposed as alternatives and emerging interconnects including the use of optics or radio frequency (RF).  ...  Moreover, The first author would like to thank the HCED in Iraq for financing his Ph.D.  ... 
doi:10.1109/mcas.2015.2510199 fatcat:eo5xpuoonfcpblmx4puh2omdae

Network-on-Chip Multicast Architectures Using Hybrid Wire and Surface-Wave Interconnects

Ammar Karkar, Terrence Mak, Nizar Dahir, Ra'ed Al-Dujaily, Kin-Fai Tong, Alex Yakovlev
2018 IEEE Transactions on Emerging Topics in Computing  
To meet scalability demands, this paper addresses the systemlevel challenges for intra-chip multicast communication in a proposed hybrid interconnects architecture.  ...  These results are achieved with negligible hardware overheads. This study explore promising potential of the proposed architecture for current and future NoC-based many-core processors.  ...  On the other hand, The WiNoC have natural scalable fan-out capability which makes them preferable for 1-to-M enabled interconnect architectures.  ... 
doi:10.1109/tetc.2016.2551043 fatcat:ms65tmmzpvaqhgj7drl6w7ls4a

On the Area and Energy Scalability of Wireless Network-on-Chip: A Model-Based Benchmarked Design Space Exploration

Sergi Abadal, Mario Iannazzo, Mario Nemirovsky, Albert Cabellos-Aparicio, Heekwan Lee, Eduard Alarcon
2015 IEEE/ACM Transactions on Networking  
The study is entirely based upon analytical models, which will allow to benchmark the WNoC scalability against a baseline NoC.  ...  As recent years have seen a significant increase in the number of cores per chip, it is crucial to guarantee the scalability of NoCs in order to avoid communication to become the next performance bottleneck  ...  of, among others, their native broadcast and multicast capabilities [14] .  ... 
doi:10.1109/tnet.2014.2332271 fatcat:tqomwzgajvd7dndi53pm45jrui

Hybrid wire-surface wave architecture for one-to-many communication in networks-on-chip

Ammar Karkar, Nizar Dahir, Ra'ed Al-Dujaily, Kenneth Tong, Terrence Mak, Alex Yakovlev
2014 Design, Automation & Test in Europe Conference & Exhibition (DATE), 2014  
This work addresses the system level challenges for intra chip multicasting.  ...  However, merely metal based NoC pursuit offers limited scalability with the relentless technology scaling, especially in one-to-many (1-to-M) communication.  ...  This will not be sufficient in the near future with the projected issues in regular metal based NoCs since it struggles to match the needed scalability, especially for global communication in terms of  ... 
doi:10.7873/date.2014.287 dblp:conf/date/KarkarDATMY14 fatcat:cx5hcflhajbcrazffe3dyd4dgm

Evaluating the Feasibility of Wireless Networks-on-Chip Enabled by Graphene

Sergi Abadal, Albert Mestres, Mario Iannazzo, Josep Solé-Pareta, Eduard Alarcón, Albert Cabellos-Aparicio
2014 Proceedings of the 2014 International Workshop on Network on Chip Architectures - NoCArc '14  
This dramatically limits the available design space in terms of manycore architecture, sparking the need for new solutions.  ...  Network-on-Chip (NoC) is currently the paradigm of choice for covering the on-chip communication needs of multicore processors.  ...  The authors would like to thank Mario Nemirovsky, Max Lemme, Raúl Martínez and Ignacio Llatser for their invaluable research discussions.  ... 
doi:10.1145/2685342.2685345 dblp:conf/micro/AbadalMISAC14 fatcat:eot7yagb7zfctd5obid66zw2ma

NOC'S: Buffered and Bufferless Structure and their design methodologies for High throughput and Low latency

Sujata. S.B
2020 International Journal of Advanced Trends in Computer Science and Engineering  
with methodologies and design challenges for optimization of signal integrity, scalability, throughput and latency in an NoC's.  ...  feasible direction finding (FDF) for switching.  ...  The packet-switched network on chip (NoC) is visualized as a scalable and cost-effective communication structure for multi-core architectures with several hundred cores.  ... 
doi:10.30534/ijatcse/2020/240932020 fatcat:kj4yllfklffqrjuaipr2c26jyy

A 60GHz on-chip RF-Interconnect with λ/4 coupler for 5Gbps bi-directional communication and multi-drop arbitration

Hao Wu, Lan Nan, Sai-Wang Tam, Hsieh-Hung Hsieh, Chewpu Jou, Glenn Reinman, Jason Cong, Mau-Chung Frank Chang
2012 Proceedings of the IEEE 2012 Custom Integrated Circuits Conference  
We also use MOS switches along the signal path to reconfigure/arbitrate communication priority for multi-drops.  ...  A 5Gbps bi-directional RF-Interconnect (RF-I) with multi-drop and arbitration capabilities is designed and realized in 65nm CMOS.  ...  Adrian Tang for their technical discussions and Yen-Hsiang Wang for the testing board preparations.  ... 
doi:10.1109/cicc.2012.6330666 dblp:conf/cicc/WuNTHJRCC12 fatcat:mwwfwi2hfrc6ba6225jqmmm2xi


Jun Pang, Christopher Dwyer, Alvin R. Lebeck
2015 ACM Journal on Emerging Technologies in Computing Systems  
We leverage quantum dot LEDs, which provide electrical to optical signal modulation, and chromophores, which provide optical signal filtering for receivers.  ...  (NoC).  ...  Some other topologies besides shared-bus crossbar are also proposed based on ring resonator switches. For example, Phastlane [12] presents a 2D grid NoC of optical crossbar switches.  ... 
doi:10.1145/2700241 fatcat:ljjzfrqsrvccplgyukdunxnzb4

Exploiting Process Variations to Secure Photonic NoC Architectures from Snooping Attacks [article]

Sai Vineel Reddy Chittamuru, Ishan G Thakkar, Sudeep Pasricha, Sairam Sri Vatsavai, Varun Bhat
2020 arXiv   pre-print
as well as multicast transfers in PNoCs.  ...  This paper presents a framework that utilizes process variation-based authentication signatures along with architecture-level enhancements to protect against data-snooping Hardware Trojans during unicast  ...  to move in and out of resonance (i.e., switch ON/OFF) with the utilized carrier wavelengths for signal modulation [7] .  ... 
arXiv:2007.10454v1 fatcat:4oz7ymoxgfh4fjku5s675dmgnm

A Generic Optical Router Design for Photonic Network-on-Chips

Xianfang Tan, Mei Yang, Lei Zhang, Yingtao Jiang, Jianyi Yang
2012 Journal of Lightwave Technology  
In this paper, we propose a micro-ring-resonator (MRR)-based, scalable, and non-blocking passive optical router design, namely the generic wavelength-routed optical router (GWOR).  ...  Photonic network-on-chip (NoC) architectures are emerging as a new paradigm to interconnect a large number of processing cores at chip level, meeting the pressing demand for extremely high bandwidth and  ...  Existing photonic NoC designs can be classified into two classes [17] : 1) switching networks using TO or EO effect tuning switches, and 2) passive networks using switches with a fixed-wavelength assignment  ... 
doi:10.1109/jlt.2011.2178019 fatcat:3b3v74jkw5d7xb5232ywj6svem

Broadcast and Weight: An Integrated Network For Scalable Photonic Spike Processing

Alexander N. Tait, Mitchell A. Nahmias, Bhavin J. Shastri, Paul R. Prucnal
2014 Journal of Lightwave Technology  
We discuss properties and design considerations for architectures for scalable wavelength reuse and biologically relevant organizational capabilities, in addition to aspects of practical feasibility.  ...  We propose an on-chip optical architecture to support massive parallel communication among high-performance spiking laser neurons.  ...  Optical ring networks with WDM channelization have been proposed as a means to obtain collision-free multicast networks, notably ATAC [34] and optical ring NoC (ORNoC) [35] . Psota et al.  ... 
doi:10.1109/jlt.2014.2345652 fatcat:4mwhpxwj4ra3bow77rxxqr4wve

ATAC: Improving performance and programmability with on-chip optical networks

James Psota, Jason Miller, George Kurian, Henry Hoffman, Nathan Beckmann, Jonathan Eastep, Anant Agarwal
2010 Proceedings of 2010 IEEE International Symposium on Circuits and Systems  
This paper introduces ATAC, a new manycore architecture that capitalizes on the recent advances in optics to address a number of challenges that future manycore designs will face.  ...  Given the current trends in multicore scaling, chips with 1000 cores may exist within the next 5 to 10 years.  ...  Therefore there have only been a few architectures proposed that use them for on-chip communication: Corona [5] , the optical cache-coherence bus of Kirman et al [6] , and the switched optical NoC of  ... 
doi:10.1109/iscas.2010.5537892 dblp:conf/iscas/PsotaMKHBEA10 fatcat:3buhnrvzivfvtli5643b5ncnhm

Power reduction of CMP communication networks via RF-interconnects

M-C. Frank Chang, Jason Cong, Adam Kaplan, Chunyue Liu, Mishali Naik, Jagannath Premkumar, Glenn Reinman, Eran Socher, Sai-Wang Tam
2008 2008 41st IEEE/ACM International Symposium on Microarchitecture  
a dramatic power and area reduction by simplification of NoC topology, and (3) RF-I provides natural and efficient support for multicast.  ...  We find that our adaptive RF-I architecture on top of a mesh with 4B links can even outperform the baseline with 16B mesh links by about 1%, and reduces NoC power by approximately 65% including the overhead  ...  We wish to thank our reviewers for useful feedback.  ... 
doi:10.1109/micro.2008.4771806 dblp:conf/micro/ChangCKLNPRST08 fatcat:ka3kpglfwnaadnstplmaqkziia

Building Data Centers With Optically Connected Memory

Daniel Brunina, Caroline P. Lai, Ajay S. Garg, Keren Bergman
2011 Journal of Optical Communications and Networking  
Future data centers will require novel, scalable memory architectures capable of sustaining high bandwidths while still achieving low memory access latencies.  ...  In this work, the electronic bus between main memory and its host processor is replaced with a circuit-switched optical interconnection network.  ...  We develop the memory access protocol necessary for an optical network-based memory architecture, and analyze the resulting system architecture.  ... 
doi:10.1364/jocn.3.000a40 fatcat:kiwrncah35bfbft5ytcgavs2jy
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