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Displaying 1-26 out of 26 total
Distributed Rasterization using OpenGL
Found in: High Performance Computing Systems and Applications, Annual International Symposium on
By David Calvert, David Thompson
Issue Date:June 2002
pp. 281
This work examines the facility of using a large distributed memory system for rasterization of computer graphics using the OpenGL and GLUT libraries. Issues examined include the performance increases achieved through parallel processing and the effects of...
Visualizing Particle/Flow Structure Interactions in the Small Bronchial Tubes
Found in: IEEE Transactions on Visualization and Computer Graphics
By Bela Soni, David Thompson, Raghu Machiraju
Issue Date:November 2008
pp. 1412-1427
Particle deposition in the small bronchial tubes (generations six through twelve) is strongly influenced by the vortex-dominated secondary flows that are induced by axial curvature of the tubes. In this paper, we employ particle destination maps in conjunc...
Heterogeneous Multi-processor Coherent Interconnect
Found in: 2013 IEEE 21st Annual Symposium on High-Performance Interconnects (HOTI)
By Kai Chirca,Matthew Pierson,Joe Zbiciak,David Thompson,Daniel Wu,Shankar Myilswamy,Roger Griesmer,Kedar Basavaraj,Thomas Huynh,Akshit Dayal,Junbok You,Pat Eyres,Yusuf Ghadiali,Todd Beck,Anthony Hill,Naveen Bhoria,Duc Bui,Jonathan Tran,Mujibur Rahman,Hong Fei,Shoban Jagathesan,Tim Anderson
Issue Date:August 2013
pp. 17-24
The rapid increase in processor and memory integration onto a single die continues to place increasingly complex demands on the interconnect network. In addition to providing low latency, high speed and high bandwidth access from all processors to all shar...
Combining in-situ and in-transit processing to enable extreme-scale scientific analysis
Found in: 2012 SC - International Conference for High Performance Computing, Networking, Storage and Analysis
By Janine C. Bennett,Hasan Abbasi,Peer-Timo Bremer,Ray Grout,Attila Gyulassy,Tong Jin,Scott Klasky,Hemanth Kolla,Manish Parashar,Valerio Pascucci,Philippe Pebay,David Thompson,Hongfeng Yu,Fan Zhang,Jacqueline Chen
Issue Date:November 2012
pp. 1-9
With the onset of extreme-scale computing, I/O constraints make it increasingly difficult for scientists to save a sufficient amount of raw simulation data to persistent storage. One potential solution is to change the data analysis pipeline from a post-pr...
Design and Performance of a Scalable, Parallel Statistics Toolkit
Found in: Parallel and Distributed Processing Workshops and PhD Forum, 2011 IEEE International Symposium on
By Philippe Pébay,David Thompson,Janine Bennett,Ajith Mascarenhas
Issue Date:May 2011
pp. 1475-1484
Most statistical software packages implement a broad range of techniques but do so in an ad hoc fashion, leaving users who do not have a broad knowledge of statistics at a disadvantage since they may not understand all the implications of a given analysis ...
Computing Contingency Statistics in Parallel: Design Trade-Offs and Limiting Cases
Found in: Cluster Computing, IEEE International Conference on
By Philippe Pébay, David Thompson, Janine Bennett
Issue Date:September 2010
pp. 156-165
Statistical analysis is typically used to reduce the dimensionality of and infer meaning from data. A key challenge of any statistical analysis package aimed at large-scale, distributed data is to address the orthogonal issues of parallel scalability and n...
Quantifying effectiveness of failure prediction and response in HPC systems: Methodology and example
Found in: Dependable Systems and Networks Workshops
By James Brandt, Frank Chen, Vincent De Sapio, Ann Gentile, Jackson Mayo, Philippe Pebay, Diana Roe, David Thompson, Matthew Wong
Issue Date:July 2010
pp. 2-7
Effective failure prediction and mitigation strategies in high-performance computing systems could provide huge gains in resilience of tightly coupled large-scale scientific codes. These gains would come from prediction-directed process migration and resou...
Automated Targeting for the MER Rovers
Found in: Space Mission Challenges for Information Technology, IEEE International Conference on
By Tara Estlin, Rebecca Castano, Benjamin Bornstein, Daniel Gaines, Robert C. Anderson, Charles de Granville, David Thompson, Michael Burl, Michele Judd, Steve Chien
Issue Date:July 2009
pp. 257-263
The Autonomous Exploration for Gathering Increased Science System (AEGIS) will soon provide automated targeting for remote sensing instruments on the Mars Exploration Rover (MER) mission, which currently has two rovers exploring the surface of Mars. Target...
Resource monitoring and management with OVIS to enable HPC in cloud computing environments
Found in: Parallel and Distributed Processing Symposium, International
By Jim Brandt,Ann Gentile,Jackson Mayo,Philippe Pebay,Diana Roe,David Thompson,Matthew Wong
Issue Date:May 2009
pp. 1-8
Using the cloud computing paradigm, a host of companies promise to make huge compute resources available to users on a pay-as-you-go basis. These resources can be configured on the fly to provide the hardware and operating system of choice to the customer ...
Using Probabilistic Characterization to Reduce Runtime Faults in HPC Systems
Found in: Cluster Computing and the Grid, IEEE International Symposium on
By Jim Brandt, Bert Debusschere, Ann Gentile, Jackson Mayo, Philippe Pébay, David Thompson, Matthew Wong
Issue Date:May 2008
pp. 759-764
The current trend in high performance computing is to aggregate ever larger numbers of processing and interconnection elements in order to achieve desired levels of computational power, This, however, also comes with a decrease in the Mean Time To Interrup...
Corrections to
Found in: IEEE Transactions on Visualization and Computer Graphics
By John Biddiscombe, Berk Geveci, Ken Martin, Kenneth Moreland, David Thompson
Issue Date:January 2008
pp. 241
No summary available.
Methods and Framework for Visualizing Higher-Order Finite Elements
Found in: IEEE Transactions on Visualization and Computer Graphics
By William J. Schroeder, François Bertel, Mathieu Malaterre, David Thompson, Philippe P. Pébay, Robert O'Bara, Saurabh Tendulkar
Issue Date:July 2006
pp. 446-460
<p><b>Abstract</b>—The finite element method is an important, widely used numerical technique for solving partial differential equations. This technique utilizes basis functions for approximating the geometry and the variation of the solu...
Server-Side Visualisation of Massive Datasets
Found in: e-Science and Grid Computing, International Conference on
By Brett Beeson, Mark Dwyer, David Thompson
Issue Date:December 2005
pp. 542-548
Server-side visualisation systems comprise of a thin client connected to a rendering service located on the data server. We present a systematic and quantitative method for evaluating server-side visualisation systems. We evaluate the fundamental limitatio...
Framework for Visualizing Higher-Order Basis Functions
Found in: Visualization Conference, IEEE
By William J. Schroeder, Francois Bertel, Mathieu Malaterre, David Thompson, Philippe P. Pebay, Robert O'Bara, Saurabh Tendulkar
Issue Date:October 2005
pp. 6
Techniques in numerical simulation such as the finite element method depend on basis functions for approximating the geometry and variation of the solution over discrete regions of a domain. Existing visualization systems can visualize these basis function...
The V-Way Cache: Demand Based Associativity via Global Replacement
Found in: Computer Architecture, International Symposium on
By Moinuddin K. Qureshi, David Thompson, Yale N. Patt
Issue Date:June 2005
pp. 544-555
As processor speeds increase and memory latency becomes more critical, intelligent design and management of secondary caches becomes increasingly important. The efficiency of current set-associative caches is reduced because programs exhibit a non-uniform ...
Spatial Domain Wavelet Design for Feature Preservation in Computational Data Sets
Found in: IEEE Transactions on Visualization and Computer Graphics
By Gheorghe Craciun, Ming Jiang, David Thompson, Raghu Machiraju
Issue Date:March 2005
pp. 149-159
High-fidelity wavelet transforms can facilitate visualization and analysis of large scientific data sets. However, it is important that salient characteristics of the original features be preserved under the transformation. We present a set of filter desig...
Rough Interface Reconstruction Using the Level Set Method
Found in: Visualization Conference, IEEE
By Yootai Kim, Raghu Machiraju, David Thompson
Issue Date:October 2004
pp. 251-258
We present a new level set method for reconstructing interfaces from point aggregations. Although level-set-based methods are advantageous because they can handle complicated topologies and noisy data, most tend to smooth the inherent roughness of the orig...
From Cluster to Wall with VTK
Found in: Parallel and Large-Data Visualization and Graphics, IEEE Symposium on
By Kenneth Moreland, David Thompson
Issue Date:October 2003
pp. 5
This paper describes a new set of parallel rendering components for VTK, the Visualization Toolkit. The parallel rendering units allow for the rendering of vast quantities of geometry with a focus on cluster computers. Furthermore, the geometry may be disp...
Geometric Verification of Features in Flow Fields
Found in: Visualization Conference, IEEE
By Ming Jiang, Raghu Machiraju, David Thompson
Issue Date:November 2002
pp. N/A
In this paper, we present a verification algorithm for swirling features in flow fields, based on the geometry of streamlines. The features of interest in this case are vortices. Without a formal definition, existing detection algorithms lack the ability t...
IEEE 1394: Changing the Way We Do Multimedia Communications
Found in: IEEE Multimedia
By David Thompson
Issue Date:April 2000
pp. 94-100
No summary available.
Using Cloud Constructs and Predictive Analysis to Enable Pre-Failure Process Migration in HPC Systems
Found in: Cluster Computing and the Grid, IEEE International Symposium on
By James Brandt, Frank Chen, Vincent De Sapio, Ann Gentile, Jackson Mayo, Philippe Pébay, Diana Roe, David Thompson, Matthew Wong
Issue Date:May 2010
pp. 703-708
Accurate failure prediction in conjunction with efficient process migration facilities including some Cloud constructs can enable failure avoidance in large-scale high performance computing (HPC) platforms. In this work we demonstrate a prototype system th...
Rough Surface Modeling Using Surface Growth
Found in: Shape Modeling and Applications, International Conference on
By Yootai Kim, Raghu Machiraju, David Thompson
Issue Date:May 2003
pp. 33
In this paper, we present a novel modeling method for synthesizing rough surfaces using discrete surface growth models. We employ a two-pass method. Initial point cluster data is generated using discrete simulation models derived from physical surface grow...
The role of teachers in implementing curriculum changes
Found in: Proceeding of the 44th ACM technical symposium on Computer science education (SIGCSE '13)
By Anthony Robins, David Thompson, Peter Andreae, Tim Bell
Issue Date:March 2013
pp. 245-250
In 2011 New Zealand introduced computer science into high schools after a long period when computing was mainly focussed on training students to be users. The transition was rapid, and teachers had little time to upskill to prepare for the new topics, and ...
Surface Sulfur Detection via Remote Sensing and Onboard Classification
Found in: ACM Transactions on Intelligent Systems and Technology (TIST)
By Damhnait Gleeson, Daniel Tran, David Thompson, Kiri L. Wagstaff, Lukas Mandrake, Rebecca Castaño, Robert T. Pappalardo, Steve Chien, Umaa Rebbapragada
Issue Date:September 2012
pp. 1-20
Orbital remote sensing provides a powerful way to efficiently survey targets such as the Earth and other planets and moons for features of interest. One such feature of astrobiological relevance is the presence of surface sulfur deposits. These deposits ha...
A practical system for laser pointer interaction on large displays
Found in: Proceedings of the ACM symposium on Virtual reality software and technology (VRST '05)
By Benjamin A. Ahlborn, Bernd Hamann, David Thompson, Oliver G. Staadt, Oliver Kreylos
Issue Date:November 2005
pp. 106-109
Much work has been done on the development of laser pointers as interaction devices. Typically a camera captures images of a display surface and extracts a laser pointer dot location. This location is processed and used as a cursor position. While the curr...
Rendering higher order finite element surfaces in hardware
Found in: Proceedings of the 1st international conference on Computer graphics and interactive techniques in Austalasia and South East Asia (GRAPHITE '03)
By David Thompson, Rahul Khardekar
Issue Date:February 2003
pp. 211-ff
Graphics hardware is becoming flexible enough to move more than just the traditional rendering pipeline off the CPU and onto the graphics card. We demonstrate a technique for rendering nonlinear (quadratic in our case) finite element boundaries, deflected ...