Filters








1,736 Hits in 3.9 sec

Automated Deployment Support for Parallel Distributed Computing

Magdalena Sawinska, Dawid Kurzyniec, Jarosaw Sawinski, Vaidy Sunderam
2007 Parallel, Distributed and Network-based Processing, Proceedings of the Euromicro Workshop on  
To evaluate the toolkit, we conducted experiments with deploying and executing the NAS Parallel Benchmarks.  ...  Through the provided console, MPI can be soft-installed across a set of distributed resources with just a few commands. The prototype implementation of the ZF-MPI toolkit is based on FT-MPI.  ...  Our experiments with the NAS Parallel Benchmark suite on a heterogeneous collection of resources show promising results and demonstrate feasibility of the proposed approach.  ... 
doi:10.1109/pdp.2007.26 dblp:conf/pdp/SlawinskaKSS07 fatcat:45ee27vnvvf3xl5g35m4luk5my

Green Supercomputing in a Desktop Box

Wu-chun Feng, Avery Ching, Chung-Hsing Hsu
2007 2007 IEEE International Parallel and Distributed Processing Symposium  
The advent of the Beowulf cluster in 1994 provided dedicated compute cycles, i.e., supercomputing for the masses, as a cost-effective alternative to large supercomputers, i.e., supercomputing for the few  ...  The above observation, coupled with the increasing performance gap between the PC and supercomputer, provides the motivation for a "green supercomputer" in a desktop box.  ...  In our final CPU test, we ran experiments using the NAS Parallel Benchmarks (NPB) [9].  ... 
doi:10.1109/ipdps.2007.370542 dblp:conf/ipps/FengCH07 fatcat:xwrkmghmxbgrlnfkztw2ahknpu

Massively parallel computing using commodity components

Ron Brightwell, Lee Ann Fisk, David S Greenberg, Tramm Hudson, Mike Levenhagen, Arthur B Maccabe, Rolf Riesen
2000 Parallel Computing  
We provide a description of the hardware components of a 96-node Phase I prototype machine and discuss the experiences with the prototype that led to the hardware choices for a 400-node Phase II production  ...  We are combining the bene®ts of commodity cluster computing with our expertise in designing, developing, using, and maintaining large-scale, massively parallel processing (MPP) machines.  ...  We would like to thank Brian Bray, Doug Doer¯er, Steve Gossage, Luis Martinez, and Tom Pratt for their help with Cplant networking.  ... 
doi:10.1016/s0167-8191(99)00104-0 fatcat:ylffqzmzzvgp3hrlkie2xnz4s4

Co-array Fortran Performance and Potential: An NPB Experimental Study [chapter]

Cristian Coarfa, Yuri Dotsenko, Jason Eckhardt, John Mellor-Crummey
2004 Lecture Notes in Computer Science  
Preliminary experiments comparing CAF and MPI versions of the BT, MG, SP and CG NAS parallel benchmarks [9] on a large Itanium 2 cluster with a Myrinet 2000 interconnect, show that our CAF compiler prototype  ...  Preliminary experiments comparing CAF and MPI versions of several of the NAS parallel benchmarks on an Itanium 2 cluster with a Myrinet 2000 interconnect show that our CAF compiler delivers performance  ...  Numrich and A. Wallcraft for providing us with draft CAF versions of the BT, CG, MG, and SP NAS parallel benchmarks. We thank F. Zhao for her work on the Open64/SL Fortran front-end.  ... 
doi:10.1007/978-3-540-24644-2_12 fatcat:kbmor7r3qjc5ll54h7fyllfqny

Experiments with adaptation strategies for a prototype-based recognition system for isolated handwritten characters

V. Vuori, J. Laaksonen, E. Oja, J. Kangas
2001 International Journal on Document Analysis and Recognition  
This paper describes an adaptive recognition system for isolated handwritten characters and the experiments carried out with it.  ...  The aim of the first experiments is to choose the best combination of the simple preprocessing and normalization operations and the dissimilarity measure for a multi-writer system.  ...  Data used in the experiments Data collection setup All the characters were collected with a pressuresensitive Wacom ArtPad II tablet attached to a Silicon Graphics workstation.  ... 
doi:10.1007/pl00013555 fatcat:3bnsxemsxjaynno2b6j4caapr4

Campus-Wide Computing : Early Results Using Legion At the University of Virginia

Andrew S. Grimshaw, Anh Nguyen-Tuong, Michael J. Lewis, Mark Hyett
1997 The International Journal of Supercomputer Applications and High Performance Computing  
Legion targets workstation clusters and larger wide area assemblies of workstations, supercomputers, and parallel supercomputers.  ...  We have built a working Legion prototype, called the Campus-Wide Virtual Computer (CWVC).  ...  The performance results provide evidence that workstation based, heterogeneous parallel processing can be used to solve computationally challenging problems of interest to university researchers at reduced  ... 
doi:10.1177/109434209701100206 fatcat:yujjsnfynbgrdo2epxvhg3v2hi

Constructing collaborative desktop storage caches for large scientific datasets

Sudharshan S. Vazhkudai, Xiaosong Ma, Vincent W. Freeh, Jonathan W. Strickland, Nandan Tammineedi, Tyler Simon, Stephen L. Scott
2006 ACM Transactions on Storage  
This has led to the proliferation of high-end mass storage systems, storage area clusters, and data centers.  ...  This paper presents the FreeLoader architecture, component design, and performance results based on our proof-of-concept prototype.  ...  Department of Energy under contract No. DE-AC05-00OR2275 with UT-Battelle, LLC and Xiaosong Ma's joint appointment between NCSU and ORNL.  ... 
doi:10.1145/1168910.1168911 fatcat:k6mhwjxghjg6rnnqmgvgkicpqu

Evaluating OpenMP on Chip MultiThreading Platforms [chapter]

Chunhua Liao, Zhenying Liu, Lei Huang, Barbara Chapman
2008 Lecture Notes in Computer Science  
In this paper, we explore some aspects of current OpenMP performance on two recent platforms: a Sun Fire V490 [24] with Chip Multiprocessor capability and a Dell Precision 450 workstation with Simultaneous  ...  We have tested two different systems: a Sun Fire V490 with Chip Multiprocessor technology and a Dell Precision 450 workstation with Simultaneous MultiThreading technology.  ...  Chandler Wilkerson from UH coordinated the loan and provided timely installation and technical support with the help of Tony Curtis in the High Performance Computing Center of UH.  ... 
doi:10.1007/978-3-540-68555-5_15 fatcat:g6r6utog7ndchd6tjm2m4vinka

Unibus: a contrarian approach to grid computing

Dawid Kurzyniec, Magdalena Sławińska, Jarosław Sławiński, Vaidy Sunderam
2007 Journal of Supercomputing  
We conducted a series of experiments with the NAS Parallel Benchmarks.  ...  with a single interface point.  ...  of NPB tests has been executed on a homogeneous cluster of Sun Blade 2500 workstations.  ... 
doi:10.1007/s11227-006-0033-0 fatcat:2mbwakhkojbidl3heuhcbom3ca

Optical microassembly platform for constructing reconfigurable microenvironments for biomedical studies

Peter John Rodrigo, Lóránd Kelemen, Darwin Palima, Carlo Amadeo Alonzo, Pál Ormos, Jesper Glückstad
2009 Optics Express  
The demonstrated capacity for handling feature-rich microcomponents may be further developed into a generalized microassembly platform.  ...  We demonstrate a model platform for constructing versatile microenvironments by fabricating morphologically complex microstructures by two-photon polymerization (2PP) and then assembling these archetypal  ...  We thank Erzsébet Mihalik at the Department of Botany and Botanic Garden, University of Szeged, for the SEM images.  ... 
doi:10.1364/oe.17.006578 pmid:19365483 fatcat:todwzkmpancipcvbeqdsl5jbq4

How to build a bad research center

David Patterson
2014 Communications of the ACM  
This paper contains my advice on building and running research centers based on being involved in a dozen of them over nearly 40 years.  ...  In keeping with my past advice pieces on talks and careers, where the goal was to be informative and entertaining, I first lay down eight commandments to create a bad research center before describing  ...  Acknowledgements I wish to thank everyone who worked with me on the projects listed in Table I  ... 
doi:10.1145/2566969 fatcat:f4idhecj45e3fcu5gnkjjm4w5m

Cluster Computing [chapter]

Mark Baker, John Brooke, Ken Hawick, Rajkumar Buyya
2001 Lecture Notes in Computer Science  
This ownership often brings problems when attempting to form a cluster of workstations.  ...  Generally a workstation will be "owned" by, for example, an individual, a groups, a department, or an organisation. They are dedicated to the exclusive use by the "owners".  ...  Cluster Software and Its Interaction With the Operating System In order to understand cluster software it is necessary to know how it interacts with the operating systems of a particular platform.  ... 
doi:10.1007/3-540-44681-8_100 fatcat:cr6rpynstjgufacwbmciciriha

An MPI prototype for compiled communication on Ethernet switched clusters

Amit Karwande, Xin Yuan, David K. Lowenthal
2005 Journal of Parallel and Distributed Computing  
Compiled communication has recently been proposed to improve communication performance for clusters of workstations.  ...  Many institutions have Ethernet-switched clusters of workstations that can be used to perform high performance computing. One of the key building blocks for such systems is a message passing library.  ...  Table 4 : 4 Experiments with our prototype SDSM that uses CC-MPI for communication. ment scheme that allows reliable multicast to be performed effectively, separating network control from data transmission  ... 
doi:10.1016/j.jpdc.2005.04.014 fatcat:ixiwnaskc5bufbnzfcq224cnny

CC--MPI

Amit Karwande, Xin Yuan, David K. Lowenthal
2003 SIGPLAN notices  
Compiled communication has recently been proposed to improve communication performance for clusters of workstations.  ...  Compiled communication has recently been proposed to improve communication performance for clusters of workstations [32, 33] .  ...  Table 6 : 6 Experiments with our prototype SDSM that uses CC-MPI for communication.  ... 
doi:10.1145/966049.781514 fatcat:tdopupuc5zgnfa22dp4ibhvaw4

CC--MPI

Amit Karwande, Xin Yuan, David K. Lowenthal
2003 Proceedings of the ninth ACM SIGPLAN symposium on Principles and practice of parallel programming - PPoPP '03  
Compiled communication has recently been proposed to improve communication performance for clusters of workstations.  ...  Compiled communication has recently been proposed to improve communication performance for clusters of workstations [32, 33] .  ...  Table 6 : 6 Experiments with our prototype SDSM that uses CC-MPI for communication.  ... 
doi:10.1145/781498.781514 dblp:conf/ppopp/KarwandeYL03a fatcat:p6p2vmv7vvdgfmlihuw35wr6ha
« Previous Showing results 1 — 15 out of 1,736 results