Filters








961 Hits in 4.8 sec

Distributing a chemical process optimization application over a gigabit network

Robert L. Clay, Peter A. Steenkiste
1995 Proceedings of the 1995 ACM/IEEE conference on Supercomputing (CDROM) - Supercomputing '95  
We evaluate the impact of a gigabit network on the implementation of a distributed chemical process optimization application.  ...  The optimization problem is formulated as a stochastic Linear Assignment Problem and was solved using the Thinking Machines CM-2 (SIMD) and the Cray C-90 (vector) computers at PSC, and the Intel iWarp  ...  Acknowledgments We would like to thank Michael Hemy, Jamshid Mahdavi and Todd Mummert for their help with the distribution of the optimization application, and Gregory J.  ... 
doi:10.1145/224170.224310 dblp:conf/sc/ClayS95 fatcat:o6vlan72gbdrldlcdfaq2eldyy

Performance Issues of Distributed MPI Applications in a German Gigabit Testbed [chapter]

T. Eickermann, H. Grund, J. Henrichs
1999 Lecture Notes in Computer Science  
The Gigabit Testbed West is a testbed for the planned upgrade of the German Scientific Network B-WiN.  ...  Applications using this library are briefly described.  ...  Bemmerl RWTH Aachen, to mention but a few. We also wish to thank the BMBF for partially funding the Gigabit Testbed West and the DFN for its support.  ... 
doi:10.1007/3-540-48158-3_1 fatcat:tru34yuplncj7iqnqo73wisl2e

Report and discussion on the IEEE ComSoc TCGN Gigabit Networking Workshop 1995

J.P.G. Sterbenz, H.G. Schulzrinne, J.D. Touch
1995 IEEE Network  
The strong message provided by the contributions to this year's conference is that a number of researchers are concerned with the practical implications of running  ...  A chemical flow sheeting application that is distributed over the Intel iWarp on the CMU campus, and the C90 and CM2 at the Pittsburgh Supercomputer Center (PSC) has been characterized.  ...  The ARPA/NSF Workshop on Research in Gigabit Networking (WRGN) [6] helped confirm the assertion at GBN '94, that distributed information services are a major area of gigabit applications.  ... 
doi:10.1109/65.397040 fatcat:ghmtniccy5agbisfobcb5z4c64

Performance characterization of a molecular dynamics code on PC clusters: is there any easy parallelism in CHARMM?

M. Taufer, E. Perathoner, A. Cavalli, A. Caflisch, T. Stricker
2002 Proceedings 16th International Parallel and Distributed Processing Symposium  
computing platforms such as widely distributed computers (grid).  ...  The molecular dynamics code CHARMM is a popular research tool for computational biology.  ...  Furthermore, mixed quantum mechanical/classical systems can be defined to investigate chemical processes such as enzyme catalysis.  ... 
doi:10.1109/ipdps.2002.1015505 dblp:conf/ipps/TauferPCCS02 fatcat:lyk2hxhd4vff7av2etmavmjilq

Analyzing Checkpointing Trends for Applications on the IBM Blue Gene/P System

Harish Gapanati Naik, Rinku Gupta, Pete Beckman
2009 2009 International Conference on Parallel Processing Workshops  
While considerable research has been done to optimize checkpointing, in practice the method still involves a high-cost overhead for users.  ...  Current petascale systems have tens of thousands of hardware components and complex system software stacks, which increase the probability of faults occurring during the lifetime of a process.  ...  From a theoretical performance standpoint, however, the network links connecting the file servers to the 10-Gigabit Ethernet network will become a bottleneck.  ... 
doi:10.1109/icppw.2009.42 dblp:conf/icppw/NaikGB09 fatcat:33z75kxmhnaxvm2it4ifjtagm4

Understanding Checkpointing Overheads on Massive-Scale Systems: Analysis of the IBM Blue Gene/P System

Rinku Gupta, Harish Naik, Pete Beckman
2010 The international journal of high performance computing applications  
In addition to studying popular applications, we design a methodology to help users understand and intelligently choose an optimal checkpointing frequency to reduce the overall checkpointing overhead incurred  ...  Considerable research has focussed on optimizing checkpointing; however, in practice, checkpointing still involves a high-cost overhead for users.  ...  These file servers, as earlier noted, connect to the 10-Gigabit Ethernet network through their 10-Gigabit Ethernet ports. The I/O nodes connect to this 10-Gigabit Ethernet network as well.  ... 
doi:10.1177/1094342010369118 fatcat:nuu5ojss2fen7j3al247leyphu

Computational Fluid Dynamics in Solid Earth Sciences–a HPC challenge

Vlad Constantin Manea, Marina Manea, Mihai Pomeran, Lucian Besutiu, Luminita Zlagnean
2012 Acta Universitaria  
Testing a Computational Fluid Dynamics (CFD) code specific for Solid Earth Sciences, the HPC system Horus, based on Gigabit Ethernet, performed reasonably well compared with its counterpart CyberDyn, based  ...  However, the HPCC CyberDyn based on low-latency high-speed QDR network dedicated to MPI traffic outperformed the HPCC Horus.  ...  The HPC Horus system uses a centralized Gigabit Ethernet network for administrative traffic, data sharing (Network File System -NFS-or other protocols) and Message Passing Interface (MPI) or applications  ... 
doi:10.15174/au.2012.357 fatcat:3et3bc43kncsbibyh6elgv436m

Over-the-Air Computing for Wireless Data Aggregation in Massive IoT [article]

Guangxu Zhu and Jie Xu and Kaibin Huang and Shuguang Cui
2020 arXiv   pre-print
(IoT), which lays the foundation for diversified applications such as distributed sensing, learning, and control.  ...  To address this issue, over-the-air computation (AirComp) is being developed as a new WDA solution by seamlessly integrating computation and communication.  ...  operation in 5G-and-beyond networks for supporting applications related to distributed sensing, learning, and consensus.  ... 
arXiv:2009.02181v2 fatcat:akrt55jgjbhh3i26q2gz5fs6fi

Highly efficient microstrip patch antenna for wireless gigabit alliance applications

Soumen Barua, Abu Zafar Md. Imran, Md. Emdadul Hoque Bhuiyan, Subrata Barua, Syed Zahidur Rashid, Abdul Gafur, Md. Razu Ahmed
2022 Indonesian Journal of Electrical Engineering and Computer Science  
A <span>wireless gigabit alliance (WiGig) is widely known for higher bandwidth which operates at 60GHz unlicensed spectrum for super-fast data speed over short distances for millimeter-wave band application  ...  The aforesaid properties imply that it can be used for wireless personal area networks (WPAN) and wireless local area network (WLAN) and fifth-generation (5G) applications too.</span>  ...  Using the final suggested antenna dimensions is adjusted via the optimization process.  ... 
doi:10.11591/ijeecs.v26.i3.pp1451-1459 fatcat:3kntpq6mq5d6xgk3lc7yragbui

New Silica Laser-Optimized Multimode Optical Fibers with Extremely Enlarged 100-μm Core Diameter for Gigabit Onboard and Industrial Networks

Vladimir A. Burdin, Michael V. Dashkov, Vladimir V. Demidov, Konstantin V. Dukelskii, Alexander S. Evtushenko, Artem A. Kuznetsov, Alexandra S. Matrosova, Oleg G. Morozov, Egishe V. Ter-Nersesyants, Alexander A. Vasilets, Elena S. Zaitseva, Alexander E. Zhukov (+1 others)
2020 Fibers  
This optical fiber was designed for harsh environment Gigabit onboard cable systems and industrial networks.  ...  It differs by special optimized graded refractive index profile, providing low differential mode delay (DMD) for selected guided modes.  ...  Acknowledgments: The authors would like to specially thank to JSC "Leningrad Laser Systems" (LLS) team for help, support and assistance in optical fiber preform manufacturing process, especially to the  ... 
doi:10.3390/fib8030018 fatcat:l2qhjlgjnfd6jmbkuy5mwhhmhq

A Survey on Optical Technologies for IoT, Smart Industry, and Smart Infrastructures

Slavisa Aleksic
2019 Journal of Sensor and Actuator Networks  
In the Internet of Things (IoT), a huge number of sensors, actuators and other equipment for data acquisition and processing will be interconnected by means of an omnipresent communication network able  ...  On the one hand, advanced optical communication systems, which already play a significant role in modern networks, are currently evolving to meet very high requirements of modern applications.  ...  network are mostly sent to either a central unit or a distributed system for further processing.  ... 
doi:10.3390/jsan8030047 fatcat:wydz3kmad5fkvaxsifsyhw6bim

Power saving experiments for large-scale global optimisation

Zhenwei Cao, David R. Easterling, Layne T. Watson, Dong Li, Kirk W. Cameron, Wu-Chun Feng
2010 International Journal of Parallel, Emergent and Distributed Systems  
DIRECT is a deterministic global optimization algorithm, implemented in the mathematical software package VTDIRECT95.  ...  This paper explores the potential energy savings for the parallel implementation of DIRECT, called pVTdirect, when used with a large scale computational biology application, parameter estimation for a  ...  Such a slow network interconnect, however, is also likely to become an undesirable bottleneck for the performance of an application. System G is equipped with both InfiniBand and gigabit Ethernet.  ... 
doi:10.1080/17445760903492078 fatcat:jl6ufgawwbamdbp7wt745o5xye

Early evaluation of IBM BlueGene/P

S. Alam, R. Barrett, M. Bast, M.R. Fahey, J. Kuehn, C. McCurdy, J. Rogers, P. Roth, R. Sankaran, J.S. Vetter, P. Worley, W. Yu
2008 2008 SC - International Conference for High Performance Computing, Networking, Storage and Analysis  
These chips are connected with multiple interconnection networks including a 3-D torus, a global collective network, and a global barrier network.  ...  In this paper, we report on our examination of BG/P, presented in the context of a set of important scientific applications, and as compared to other major large scale supercomputers in use today.  ...  We also acknowledge the IBM BlueGene/P team for their advice on porting applications.  ... 
doi:10.1109/sc.2008.5214725 dblp:conf/sc/AlamBBFKMRRSVWY08 fatcat:4hvg22gxbbdrrfj4mi32zgpp4m

Efficient manipulation of large datasets on heterogeneous storage systems

M.D. Beynon, T. Kurc, U. Catalyurek, A. Sussman, J. Saltz
2002 Proceedings 16th International Parallel and Distributed Processing Symposium  
We demonstrate, in the context of a data-intensive visualization application, how heterogeneity affects performance and show a set of optimization techniques that can be used to improve performance in  ...  In particular, we examine the application of parallelism via transparent copies of application components in the pipelined processing of data.  ...  MOCHA [29] is a database middleware system designed to interconnect data sources distributed over a network.  ... 
doi:10.1109/ipdps.2002.1015655 dblp:conf/ipps/BeynonKCSS02 fatcat:nozetcrv2zg2vfpsih27wu254a

Optical access networks

S. Kartalopoulos, Chunming Qiao
2005 IEEE Communications Magazine  
in multimode Gigabit Ethernet networks.  ...  There are three principal fabrication processes for Planar Lightwave Circuits (PLC) [28] [29] [30] [31] [32] [33] , Ion exchange with glass substrate, Plasma-enhanced chemical vapor deposition and Flame  ... 
doi:10.1109/mcom.2005.1391495 fatcat:q5lcy6v725hz5iqsv5mnp4ua7u
« Previous Showing results 1 — 15 out of 961 results