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Scaling Computational Fluid Dynamics: In Situ Visualization of NekRS using SENSEI
Michael E. Papka November 12, 2023 - November 17, 2023 In the realm of Computational Fluid Dynamics (CFD), the demand for memory and computation resources is extreme, necessitating the use of… Read more |
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Multipath Load Balancing for M x N Communication Patterns on the Blue Gene⁄Q Supercomputer Interconnection Network
Andrew Johnson, Huy A. Bui September 8, 2015 - September 11, 2015 Achievable networking performance of applications in a supercomputer depends on the exact combination of the communication patterns of the… Read more |
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Improving Data Movement Performance for Sparse Data Patterns on the Blue Gene/Q Supercomputer
Huy A. Bui, Jason Leigh, Michael E. Papka, Venkatram Vishwanath September 12, 2014 In-situ analysis has been proposed as a promising solution to glean faster insight and to reduce the amount of data written out to storage. A… Read more |
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Scalable parallel I/O on a Blue Gene/Q supercomputer using compression, topology-aware data aggregation, and subfiling
Eric He, Huy A. Bui, Jason Leigh, Michael E. Papka, Venkatram Vishwanath February 12, 2014 - February 14, 2014 In this paper, we propose an approach to improving the I/O performance of an IBM Blue Gene/Q supercomputing system using a novel framework that can… Read more |
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Improving I/O Performance for Sparse Data Movement in Leadership Systems
Huy A. Bui, Jason Leigh, Michael E. Papka, Venkatram Vishwanath November 18, 2013 I/O is one of the most challenging issues for many current petascale high performance computing systems. The issue is expected to become dire in… Read more |
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Evaluating Communication Performance of BlueGene/Q and Cray XE6 Supercomputers
Huy A. Bui, Jason Leigh, Michael E. Papka, Venkatram Vishwanath November 14, 2012 Communication performance is of paramount importance to high performance computing (HPC) applications. MPI is widely used in HPC due to its… Read more |
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Distributed Volume Rendering for Scalable High-Resolution Display Arrays
Jason Leigh, Nicholas Schwarz May 17, 2010 - May 21, 2010 GRAPP 2010 Website This work presents a distributed image-order volume rendering approach for scalable high-resolution displays. This approach… Read more |
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Multiapplication Intertile Synchronization on Ultra-High-Resolution Display Walls
Byungil Jeong, Jason Leigh, Luc Renambot, Sungwon Nam, Venkatram Vishwanath February 22, 2010 - February 23, 2010 Ultra-high-resolution tiled-display walls are typically driven by a cluster of computers. Each computer may drive one or more displays… Read more |
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Visualization Wall for OR of the Future
Jason Leigh, Lance Long, Luc Renambot, Maxine Brown October 9, 2009 - October 10, 2009 The field of Surgery has seen two major paradigm shifts - from Open to Laparoscopic and then from Laparoscopic to Robotic. During this transition… Read more |
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Visualizing Science: The OptIPuter Project
Alan Verlo, Byungil Jeong, Daniel J. Sandin, Greg Dawe, Jason Leigh, Javier Girado, Lance Long, Luc Renambot, Maxine Brown, Robert Kooima, Sungwon Nam, Thomas A. DeFanti, Venkatram Vishwanath April 1, 2009 For many areas of science and engineering, visualization has become more than a convenient tool: it has become a necessity for interpreting the… Read more |
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Visualcasting: Scalable Real-time Image Distribution in Ultra-High Resolution Display Environments
Byungil Jeong March 19, 2009 Visualization has proven its value in scientific advances by helping scientists gain insight from their data and verify scientific computations. The… Read more |
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LambdaRAM: A High-Performance, Multi-Dimensional, Distributed Cache Over Ultra-High Speed Networks
Venkatram Vishwanath December 15, 2008 Interactive, real-time exploration and correlation of multi-terabyte and petabyte datasets from multiple sources are critical to advancing scientific… Read more |
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The Rails Toolkit (RTK) - Enabling End-System Topology-Aware High End Computing
Jason Leigh, Luc Renambot, Sungwon Nam, Venkatram Vishwanath December 7, 2008 - December 12, 2008 We present a novel rails approach so that future E-Science applications can effectively exploit future system architectures, including multi-core and… Read more |
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Scalable Adaptive Graphics middleware for visualization streaming and collaboration in ultra resolution display environments
Andrew Johnson, Hyejung Hur, Jason Leigh, Jung-Min Lee, Luc Renambot, Ratko Jagodic, Sangyoon Lee, Sungwon Nam November 16, 2008 This paper describes the motivation and capabilities of SAGE - the Scalable Adaptive Graphics Environment - a middleware and software client for… Read more |
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Planetary-scale Terrain Composition
Robert Kooima October 23, 2008 Many inter-related planetary height map and surface image map data sets exist, and more data are collected each day. Broad communities of scientists… Read more |
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The OptIPortal, a scalable visualization, storage, and computing interface device for the OptiPuter
Alan Verlo, Byungil Jeong, Daniel J. Sandin, Greg Dawe, Jason Leigh, Javier Girado, Lance Long, Luc Renambot, Maxine Brown, Rajvikram Singh, Sungwon Nam, Thomas A. DeFanti, Venkatram Vishwanath September 26, 2008 The OptIPortal is a tiled display that is the visual interface to the OptIPuter, a global-scale computing system tied together by tens of gigabits of… Read more |
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Accelerating tropical cyclone analysis using LambdaRAM, a distributed data cache over wide-area ultra-fast networks
Jason Leigh, Venkatram Vishwanath September 15, 2008 - November 24, 2008 Data-intensive scientific applications require rapid access to local and geographically distributed data, however, there are significant I/O latency… Read more |
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Enabling High Resolution Collaborative Visualization in Display Rich Virtual Organizations
Andrew Johnson, Byungil Jeong, Hyejung Hur, Jason Leigh, Luc Renambot, Sungwon Nam July 24, 2008 We predict that high-resolution displays will penetrate scientific laboratories first, and will become pervasive at the office, in the cubicle, and… Read more |
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Verification of Data Intensive High Performance Computing Middleware
Venkatram Vishwanath July 7, 2008 - July 8, 2008 In this paper, we present our experiences with using verification techniques in Data Intensive High Performance Computing. We discuss the… Read more |
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Global Cyber-Commons: Collaborative, Instructional Environments
for the Virtual School of Computational Science and Engineering Andrew Johnson, Eric He, Jason Leigh, Luc Renambot, Maxine Brown, Steve Jones, Sungwon Nam, Tom Moher June 28, 2008 The University of Illinois at Chicago (UIC) Electronic Visualization Laboratory (EVL) and several of its collaborators are already putting in place a… Read more |
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Specification and Verification of LambdaRAM - A Wide-Area Distributed Cache for High Performance Computing
Jason Leigh, Venkatram Vishwanath June 5, 2008 - June 7, 2008 LambdaRAM is a high-performance, multi-dimensional, wide-area, distributed cache that takes advantage of massively available memory from multiple… Read more |
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PACE: A Framework for Personalized Visualization and Scalable Human Computer Interaction
Xun Luo May 1, 2008 Virtual reality (VR) is a technology which allows a user to interact with a computer-simulated virtual environment (VE). Since its inception it has… Read more |
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Cyber-Commons: Merging Real and Virtual Worlds
Jason Leigh, Maxine Brown January 1, 2008 - January 31, 2008 Cyber-mashups of very large data sets let users explore, analyze, and comprehend the science behind the information being streamed. As longtime… Read more |
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Towards Terabit/s Systems: Performance Evaluation of Multi-Rail Systems
Jason Leigh, Venkatram Vishwanath November 10, 2007 - November 16, 2007 In this paper, we present a multi-rail design as a promising approach towards achieving Terabit/s performance for advanced E-Science applications. We… Read more |
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Towards Terabit/s Systems: Performance Evaluation of Multi-Rail Systems
Jason Leigh, Venkatram Vishwanath May 8, 2007 - May 11, 2007 In this paper, we present a multi-rail design as a promising approach towards achieving Terabit/s performance for advanced E-Science applications. We… Read more |
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Collaborative Visualization Architecture in Scalable Adaptive Graphics Environment
Byungil Jeong April 26, 2007 - April 27, 2007 As scalable high-resolution displays have become increasingly prevalent and networking is diminishing in cost at a rate exceeding that of computing… Read more |
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High-Performance Dynamic Graphics Streaming for Scalable Adaptive Graphics Environment
Andrew Johnson, Byungil Jeong, Jason Leigh, Julieta Aguilera, Luc Renambot, Rajvikram Singh, Ratko Jagodic, Sungwon Nam November 11, 2006 - November 17, 2006 The Scalable Adaptive Graphics Environment (SAGE) is specialized middleware for enabling data, high-definition video and extremely high-resolution… Read more |
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Wide-Area experiments with LambdaStream over dedicated high-bandwidth networks
Alan Verlo, Eric He, Fang Wang, Jason Leigh, Lance Long, Luc Renambot, Maxine Brown, Muxuan Wang, Sungwon Nam, Thomas A. DeFanti, Venkatram Vishwanath, Xi Wang April 24, 2006 - April 26, 2006 LambdaGrid applications can generate hundreds to thousands of parallel flows. These flows emanate from network interfaces in the end-systems (i.e… Read more |
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Realistic Cross-Platform Haptic Applications Using Freely-Available Libraries
Cristian J. Luciano, Thomas A. DeFanti March 1, 2004 This paper describes the development of a generic framework for implementing realistic cross-platform haptic virtual reality applications. Currently… Read more |
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3rd Biennial International Grid Applications-driven Testbed Event, Amsterdam, The Netherlands, 23-26 September 2002
Maxine Brown, Thomas A. DeFanti June 1, 2003 iGrid 2002: The International Virtual Laboratory Editorial iGrid 2002, The Third Biennial International Grid Applications-driven Testbed Event held… Read more |
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A Unified and Collaborative Approach for Analyzing Networks
Naveen Krishnaprasad May 1, 2001 Analyzing fast-growing networks involves considerable complexity, with the number of networked applications increasing exponentially. Existing… Read more |
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Lessons Learned from Employing Multiple Perspectives In a Collaborative Virtual Environment for Visualizing Scientific Data
Abhinav Kapoor, HyeYun Park, Jason Leigh, Kyoung Shin Park, Soyon Park September 10, 2000 - September 12, 2000 This paper explores the concept of multiple perspectives to enhance collaboration by allowing remote participants to tailor their views… Read more |
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iGrid2000 Empowering Global Research Community Networking
Maxine Brown July 18, 2000 - July 21, 2000 iGrid 2000, the International Grid, demonstrates how the power of today’s research networks enables access to remote computing resources… Read more |
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TeleImmersive Virtual Environments for Collaborative Knowledge Discovery
Andrew Johnson, Eric He, Jason Leigh April 11, 1999 - April 15, 1999 This paper describes the design and implementation of two tele-immersive applications, CVD and CAVE6D, both designed to support collaborative… Read more |
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The Use of Collaborative Virtual Environments in the Mine Countermeasures Mission
Abhinav Kapoor, Andrew Johnson, Eric He, Jason Leigh April 5, 1999 - April 9, 1999 We describe our work on the development and use of collaborative virtual environments (CVEs) in support of very shallow water mine remediation… Read more |
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A Review of Tele-Immersive Applications in the CAVE® Research Network
Andrew Johnson, Jason Leigh, Thomas A. DeFanti March 13, 1999 - March 17, 1999 This paper presents an overview of the Tele-Immersion applications that have been built by collaborators around the world using the CAVERNsoft… Read more |
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Multi-disciplinary Experiences with CAVERNsoft Tele-Immersive Applications
Andrew Johnson, Jason Leigh, Thomas A. DeFanti November 18, 1998 - November 20, 1998 CAVERNsoft is an architecture for creating Tele-Immersive applications, with the goal of making synchronous and asynchronous trans-oceanic… Read more |
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Global Tele-Immersion: Better than Being There
Andrew Johnson, Daniel J. Sandin, Jason Leigh, Maxine Brown, Thomas A. DeFanti December 3, 1997 - December 5, 1997 The term Tele-Immersion was first used in October 1996 as the title of a workshop the Electronic Visualization Laboratory (EVL) at University of… Read more |
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Issues in the Design of a Flexible Distributed Architecture for Supporting Persistence and Interoperablility in Collaborative Virtual Environments
Andrew Johnson, Jason Leigh, Thomas A. DeFanti November 15, 1997 - November 21, 1997 CAVERN, the CAVE Research Network, is an alliance of industrial and research institutions equipped with CAVE-based virtual reality hardware and… Read more |
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Supporting Transcontinental Collaborative Work in Persistent Virtual Environments
Andrew Johnson, Jason Leigh July 1, 1996 One of the current long term goals at the Electronic Visualization Laboratory (EVL) is to create a persistent virtual environment enabling multiple… Read more |
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Toward Real-time Interactive Virtual Prototyping of Mechanical Systems: Experiences Coupling Virtual Reality with Finite Element Anaylsis
Eric He, Michael E. Papka, Milana Huang, Terry Disz, Yi Chen, Yu-Chung Chen April 1, 1996 Virtual prototyping involves a synthesis of engineering methodology and immersive, three-dimensional visualization technology. Ideally, this is a… Read more |
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High-Resolution and High-Bandwidth Immersive Interactivity
Daniel J. Sandin, Gary Lindahl, Maxine Brown, Thomas A. DeFanti February 1, 1996 The Electronic Visualization Laboratory (EVL) at the University of Illinois at Chicago (UIC) specializes in virtual reality (VR) and scientific… Read more |
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Overview of the I-WAY: Wide Area Visual Supercomputing
Michael E. Papka, Thomas A. DeFanti January 1, 1996 This paper discusses the I-WAY project and provides an overview of the papers in this issue of IJSA. The I-WAY is an experimental environment for… Read more |
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Virtual Environments and Distributed Computing at SC’95
Maxine Brown December 1, 1995 The annual Supercomputing conference provides computational scientists and engineers with a global forum for showcasing their research. Scientists… Read more |
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Using the CAVE Virtual-Reality Environment as an Aid to 3-D Electronmagnet Field Computation
Michael E. Papka, Milana Huang July 1, 1995 One of the major problems in three-dimensional field computation is visualizing the resulting 3-D field distributions. A virtual reality environment… Read more |
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Data Retrieval Through Virtual Experimentation
Andrew Johnson June 1, 1995 In this paper we describe a new interface to scientific databases, the SANDBOX: Scientists Accessing Necessary Data Based On eXperimentation. The… Read more |
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Integrating Virtual Reality and High Performance Computing and Communications for Real-Time Molecular Modeling
Alan Cruz, Carolina Cruz-Neira, Thomas A. DeFanti April 1, 1995 This paper describes using virtual reality technologies for the development and exploration of High Performance Computing and Communications… Read more |
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The Cosmic Worm in the CAVE®: Steering a High Performance Computing Application from a Virtual Environment
Alan Cruz, Carolina Cruz-Neira, Daniel J. Sandin, Thomas A. DeFanti, Trina Roy April 1, 1995 Developing graphical interfaces to steer high performance scientific computations has been a research subject in recent years. Now, computational… Read more |
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Virtual Reality Visualization of Accelerator Magnets
Michael E. Papka, Milana Huang, Thomas A. DeFanti January 1, 1995 One of the major problems in three-dimensional field computation is visualizing the resulting 3-D field distributions. A virtual reality environment… Read more |
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Interactive Visualization in a High Performance Computing Virtual Environment
Thomas A. DeFanti, Trina Roy January 1, 1995 An intuitive means of controlling numerical simulations can be achieved by integrating virtual environments with High Performance Computing (HPC)… Read more |
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Cosmic Worm
Gideon Goldman, Jon Goldman, Trina Roy July 1, 1994 Sometimes scientists would like to stick their heads into interesting parts of their data sets and look around, but they are hampered by the… Read more |
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Virtual Reality in Computational Neuroscience
Brent Grossman, Christina Vasilakis, Jason Leigh, Paul Rossman, Robert L. Grossman, Thomas A. DeFanti June 1, 1994 This paper discusses the development, visualization and exploration of computational neuroscience virtual reality applications in the CAVE Virtual… Read more |
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The GENESIS Simulator-based Neuronal Modeling Database
Brent Grossman, Jason Leigh, Paul Rossman, Robert L. Grossman, Thomas A. DeFanti February 1, 1994 This paper presents a multidisciplinary collaboration between neurobiologists, databases, visualization and human / computer interaction specialists… Read more |
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Scientists in Wonderland: A Report on Visualization Applications in the CAVE™ Virtual Reality Environment
Alan Cruz, Carolina Cruz-Neira, Christina Vasilakis, Craig Barnes, Daniel J. Sandin, Eric He, Jason Leigh, Jinghua Ge, Lewis Siegel, Michael E. Papka, Randy Hudson (1951-2020), Roger Engelman, Steven Cohen, Sumit Das, Thomas A. DeFanti October 1, 1993 Traditional computer graphics has typically required that scientists look through a restricted window (the computer screen), to view images that… Read more |
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Realistic Modeling of Brain Structures with Remote Interaction Between Simulations of an Inferior Olivary Neuron and a Cerebellar Purkinje Cell
Jason Leigh, Jung-Min Lee, Sangyoon Lee, Thomas A. DeFanti March 1, 1993 This publication documents the collaborative work between the Computational Neuroscience Lab at CALTECH and the Electronic Visualization Lab at the… Read more |
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Computer Display of Linear Fractal Surfaces
John Hart May 1, 1991 Historically, computer graphics algorithms have been optimized for locally smooth surfaces. These methods fail when the surface is very rough or, in… Read more |
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Visualization in Scientific Computing
Maxine Brown, Thomas A. DeFanti November 1, 1987 In October 1986, the Division of Advanced Scientific Computing (DASC) of the National Science Foundation (NSF) sponsored a meeting of a… Read more |
