91 Hits in 5.3 sec

Reuse Distance Based Circuit Replacement in Silicon Photonic Interconnection Networks for HPC

Ke Wen, David Calhoun, Sebastien Rumley, Xiaoliang Zhu, Yang Liu, Lian Wee Luo, Ran Ding, Tom Baehr Jones, Michael Hochberg, Michal Lipson, Keren Bergman
2014 2014 IEEE 22nd Annual Symposium on High-Performance Interconnects  
We propose the concept of "circuit reuse distance" and design circuit replacement policies based on this metric.  ...  Finally, the feasibility of the proposed concept is experimentally demonstrated using silicon photonic devices in an FPGAcontrolled network testbed.  ...  Fig. 2 . 2 Distribution of reuse distances for HPC benchmarks (256 nodes); 512 nodes for LULESH. Fig. 3 . 3 Distribution of time-based reuse distances for HPC benchmarks (64 nodes).  ... 
doi:10.1109/hoti.2014.20 dblp:conf/hoti/WenCRZLLDJHLB14 fatcat:tikpwelrhvbvvlypf3j6cdqlqe

Bandwidth steering in HPC using silicon nanophotonics

George Michelogiannakis, Larry Dennison, Keren Bergman, Yiwen Shen, Min Yee Teh, Xiang Meng, Benjamin Aivazi, Taylor Groves, John Shalf, Madeleine Glick, Manya Ghobadi
2019 Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis on - SC '19  
This paper describes bandwidth steering in HPC using emerging reconfigurable silicon photonic switches.  ...  As bytes-per-FLOP ratios continue to decline, communication is becoming a bottleneck for performance scaling.  ...  THE PROMISE OF SILICON PHOTONICS FOR RECONFIGURABILITY Optical circuit switching (OCS) offers a promising approach to reconfiguring the interconnect on demand in order to maximize efficiency by enabling  ... 
doi:10.1145/3295500.3356145 dblp:conf/sc/Michelogiannakis19 fatcat:6kxjskmv2ndldlspfv3aknitwe

Energy Challenges for ICT [chapter]

Giorgos Fagas, John P. Gallagher, Luca Gammaitoni, Douglas J. Paul
2017 ICT - Energy Concepts for Energy Efficiency and Sustainability  
In this chapter, we introduce challenges and opportunities in this emerging field and a common framework to strive towards energy-sustainable ICT.  ...  and advanced driver assistance systems and self-driving vehicles), heating (through smart building control), and manufacturing (through digital automation based on smart autonomous sensors).  ...  The limits on individual photonic components is likely to be around 10 fJ/bit for the most power hungry, suggesting that the limit for short-distance photonic communications (<10 m distance) is around  ... 
doi:10.5772/66678 fatcat:rfxkwbhtzbhrnc5ng4gxiwlude

Roadmap of optical communications

Erik Agrell, Magnus Karlsson, A R Chraplyvy, David J Richardson, Peter M Krummrich, Peter Winzer, Kim Roberts, Johannes Karl Fischer, Seb J Savory, Benjamin J Eggleton, Marco Secondini, Frank R Kschischang (+7 others)
2016 Journal of Optics  
Acknowledgments I thank Bob Tkach and Peter Winzer for valuable input and Jeff Hecht, whose 'A Fiber-Optic Chronology' provided the timeline of the early days of fiber communications.  ...  Development of chip complexity measured as the number of components per chip for InP based photonic integrated circuits (blue) and Si based integration distinguishing photonic integrated circuits with  ...  Third order nonlinearities in optical fibers and photonic circuits provide an ideal platform for wavelength conversion based on cross-phase modulation or phase matched processes such as FWM.  ... 
doi:10.1088/2040-8978/18/6/063002 fatcat:vo3kd4v66vbwtjojvr4mmasn6u

Program Schedule - October 8, 2019 (Hotel Metropolitan Sendai)

2019 2019 International 3D Systems Integration Conference (3DIC)  
Therefore, we designed this photon counting ASIC by using 0.13 µm-design rule and every pixel has the circuit as Shown in Fig. 2 .  ...  Abstract: We have been developing CdTe based photon-counting X-ray/gamma-ray sensors and imagers.  ...  Abstract: For testing delay faults in 3D IC interconnection, we have proposed a DFT (Design-for-Testability) method for TSVs using a modified boundary scan circuit with embedded Time-to-Digital Converter  ... 
doi:10.1109/3dic48104.2019.9058792 fatcat:6kz54ru5uzdbzeecpentkxprqe

D5.2: Best Practices for HPC Procurement and Infrastructure

Norbert Meyer, Marcin Lawenda
2013 Zenodo  
HPC, electricity, cooling, networking, but also security and infrastructure monitoring systems.  ...  The PRACE-2IP Work Package 5 (WP5), "Best Practices for HPC Systems Commissioning", has two objectives: Procurement independent vendor relations and market watch (Task 1) Best practices for HPC Centre  ...  This will be accomplished using 3D chip stacking, system integration and silicon photonics and requires hardened circuits and architecture with respect to resiliency.  ... 
doi:10.5281/zenodo.6572412 fatcat:2bqftmr5zzb7na6pnlrlxxuqnu

On-chip wireless silicon photonics: from reconfigurable interconnects to lab-on-chip devices

Carlos García-Meca, Sergio Lechago, Antoine Brimont, Amadeu Griol, Sara Mas, Luis Sánchez, Laurent Bellieres, Nuria S Losilla, Javier Martí
2017 Light: Science & Applications  
Photonic integrated circuits are developing as key enabling components for high-performance computing and advanced networkon-chip, as well as other emerging technologies such as lab-on-chip sensors, with  ...  In this paper, we introduce a broadband, high directivity (4150), low loss and reconfigurable silicon photonics nanoantenna that fully enables on-chip radiation control.  ...  We thank David Zurita for his help in the design of the data acquisition code for the sensing application.  ... 
doi:10.1038/lsa.2017.53 pmid:30167296 fatcat:2agn6nq675aefid2mczxqemgxi

Exascale Computing Technology Challenges [chapter]

John Shalf, Sudip Dosanjh, John Morrison
2011 Lecture Notes in Computer Science  
The traditional doubling of clock speeds every 18-24 months is being replaced by a doubling of cores or other parallelism mechanisms.  ...  This article will describe the technology challenges on the road to exascale, their underlying causes, and their effect on the future of HPC system design.  ...  The circuit hardening techniques required to handle resiliency entirely in hardware are well understood by industry circuit designers for milspec/radiation-hardened parts.  ... 
doi:10.1007/978-3-642-19328-6_1 fatcat:abivlcxkpzchrn2dgbg5qbzt4e

Co‐packaged datacenter optics: Opportunities and challenges

Cyriel Minkenberg, Rajagopal Krishnaswamy, Aaron Zilkie, David Nelson
2021 IET Optoelectronics  
High-capacity, high-density, power-, and cost-efficient optical links are undoubtedly of critical importance for datacenter infrastructure.  ...  Herein, we aim to shed light on the trade-offs involved, enabling technologies, paths to adoption, and potential impact on datacenter network architecture.  ...  ACKNOWLEDGEMENTS The authors gratefully acknowledge the individual contributors from across the Rockley Photonics Engineering, Silicon Photonics, R&D, and Process Development organisations, as well as  ... 
doi:10.1049/ote2.12020 fatcat:fnbpb2m24zfvbbeknnhq2jaxce

Breakthroughs in Photonics 2011

2012 IEEE Photonics Journal  
Unrau for their contribution in processing and measurement.  ...  The results achieved in 2011 on the integration of all-optical methods in electronic compatible platforms seem promising for the development of an Bintegrated complex optical oscilloscope,[ meeting the  ...  This latter device could play a key role in a reconfigurable optofluidic chip where several photonic circuits and microfluidic networks could be integrated.  ... 
doi:10.1109/jphot.2012.2195206 fatcat:phyly4pmsrdtln3eyzrov4luti

Wormhole optical network: a new architecture to solve long diameter problem in exascale computer

En Shao, Zhan Wang, Guojun Yuan, Guangming Tan, Ninghui Sun
2019 CCF Transactions on High Performance Computing  
Here, we propose an architecture called Wormhole Optical Network (WON) for the exascale computer which is based on optical circuit switching.  ...  Currently, torus-interconnected network like 6D-Torus possesses suitable properties for the petascale computer.  ...  Although there have been extensive researches on silicon-photon on-chip network for processor design (Batten et al. 2013; Ahn et al. 2009; Pan et al. 2009; Vantrease et al. 2008; Beausoleil et al. 2008  ... 
doi:10.1007/s42514-019-00006-8 fatcat:vcavmmjebvdfbgyp35spuqgzjy

Motivating future interconnects

David J. Miller, Philip M. Watts, Andrew W. Moore
2009 Proceedings of the 5th ACM/IEEE Symposium on Architectures for Networking and Communications Systems - ANCS '09  
Although latency in networks has been the focus of the High-Performance Computing architect and of concern across the computer community, we illustrate how an evolution in the common PCI interconnect architecture  ...  Local interconnect architectures are at a cusp in which advances in throughput have come at the expense of power and latency.  ...  Philip Watts would like to thank the Royal Commission for the Exhibition of 1851.  ... 
doi:10.1145/1882486.1882513 dblp:conf/ancs/MillerWM09 fatcat:gadydo2il5bcdlews2l5upekba

ETP4HPC's Strategic Research Agenda for High-Performance Computing in Europe 4 [article]

Michael Malms, Marcin Ostasz, Maike Gilliot, Pascale Bernier-Bruna, Laurent Cargemel, Estela Suarez, Herbert Cornelius, Marc Duranton, Benny Koren, Pascale Rosse-Laurent, María S. Pérez-Hernández, Manolis Marazakis (+11 others)
2020 Zenodo  
This new concept well reflects the main trend of this SRA – it is not only about developing HPC technology in order to build competitive European HPC systems but also about making our HPC solutions work  ...  The main objective of this SRA is to identify the European technology research priorities in the area of HPC and High-Performance Data Analytics (HPDA), which should be used by EuroHPC to build its 2021  ...  Silicon photonics could po- in memory).  ... 
doi:10.5281/zenodo.4605343 fatcat:lcsgbea5dzgdfmj5dkw6pr7vni

The Landscape of Exascale Research

Stijn Heldens, Pieter Hijma, Ben Van Werkhoven, Jason Maassen, Adam S. Z. Belloum, Rob V. Van Nieuwpoort
2020 ACM Computing Surveys  
areas in depth based on influential articles.  ...  ., memory, storage, networks). Although we will certainly reach exascale soon, without additional research, these issues could potentially limit the applicability of exascale computing.  ...  Photonics. A promising technology is optical interconnects [154, 170] that replace traditional copper wires by optical links.  ... 
doi:10.1145/3372390 fatcat:jhtwt7pxd5c5darhz75hiqgsnq

Memory leads the way to better computing

H.-S. Philip Wong, Sayeef Salahuddin
2015 Nature Nanotechnology  
I am honored to have been part of this study, and wish to thank the study members for their passion for the subject, and for contributing far more of their precious time than they expected. Peter M.  ...  Further, the report itself was assembled in just a few months at the beginning of 2008 from input by the participants.  ...  System Interconnect Topology A simple interconnection network, based on a dragonfly topology is used to connect the processors in a rack.  ... 
doi:10.1038/nnano.2015.29 pmid:25740127 fatcat:d6iiuuwcozbxlgn4kxxzdzwd4m
« Previous Showing results 1 — 15 out of 91 results