Choong-Seock Chang

34 papers A* 2A 2B 4C 3Journal 16Unranked 7
YearRankTypeTitle / Venue / Authors
2025 J jnl
Fast and Invertible Simplicial Approximation of Magnetic-Following Interpolation for Visualizing Fusion Plasma Simulation Data.
Comput. Graph. Forum
Congrong Ren, Robert Hager, Randy Michael Churchill, Albert Mollén, Seung-Hoe Ku, Choong-Seock Chang, Hanqi Guo
2024 — conf
Performance Improvements of Poincaré Analysis for Exascale Fusion Simulations.
VisGap@EuroVis
David Pugmire, Jong Youl Choi, Scott Klasky, Kenneth Moreland, Eric Suchyta, Tushar M. Athawale, Zhe Wang, Choong-Seock Chang, Seung-Hoe Ku, Robert Hager
2023 B conf
Online and Scalable Data Compression Pipeline with Guarantees on Quantities of Interest.
e-Science
Tania Banerjee, Jaemoon Lee, Jong Choi, Qian Gong, Jieyang Chen, Choong-Seock Chang, Scott Klasky, Anand Rangarajan, Sanjay Ranka
2023 J jnl
Unraveling Diffusion in Fusion Plasma: A Case Study of In Situ Processing and Particle Sorting.
CoRR
Junmin Gu, Paul Lin, Kesheng Wu, Seung-Hoe Ku, Choong-Seock Chang, Randy Michael Churchill, Jong Choi, Norbert Podhorszki, Scott Klasky
2022 C conf
Hybrid Analysis of Fusion Data for Online Understanding of Complex Science on Extreme Scale Computers.
CLUSTER
Eric Suchyta, Jong Youl Choi, Seung-Hoe Ku, David Pugmire, Ana Gainaru, Kevin A. Huck, Ralph Kube, Aaron Scheinberg, Frédéric Suter, Choong-Seock Chang, Todd S. Munson, Norbert Podhorszki, Scott Klasky
2022 J jnl
The Exascale Framework for High Fidelity coupled Simulations (EFFIS): Enabling whole device modeling in fusion science.
Int. J. High Perform. Comput. Appl.
Eric Suchyta, Scott Klasky, Norbert Podhorszki, Matthew Wolf, Abolaji D. Adesoji, Choong-Seock Chang, Jong Choi, Philip E. Davis, Julien Dominski, Stéphane Ethier, Ian T. Foster, Kai Germaschewski, Berk Geveci, Chris Harris, Kevin A. Huck, Qing Liu, Jeremy Logan, Kshitij Mehta, Gabriele Merlo, Shirley V. Moore, Todd S. Munson, Manish Parashar, David Pugmire, Mark S. Shephard, Cameron W. Smith, Pradeep Subedi, Lipeng Wan, Ruonan Wang, Shuangxi Zhang
2021 J jnl
Enabling particle applications for exascale computing platforms.
CoRR
Susan M. Mniszewski, James F. Belak, Jean-Luc Fattebert, Christian F. A. Negre, Stuart R. Slattery, Adetokunbo Adedoyin, Robert F. Bird, Choong-Seock Chang, Guangye Chen, Stéphane Ethier, Shane Fogerty, Salman Habib, Christoph Junghans, Damien Lebrun-Grandié, Jamaludin Mohd-Yusof, Stan G. Moore, Daniel Osei-Kuffuor, Steven J. Plimpton, Adrian Pope, Samuel Temple Reeve, Lee F. Ricketson, Aaron Scheinberg, Amil Y. Sharma, Michael E. Wall
2021 J jnl
Enabling particle applications for exascale computing platforms.
Int. J. High Perform. Comput. Appl.
Susan M. Mniszewski, James F. Belak, Jean-Luc Fattebert, Christian F. A. Negre, Stuart R. Slattery, Adetokunbo A. Adedoyin, Robert F. Bird, Choong-Seock Chang, Guangye Chen, Stéphane Ethier, Shane Fogerty, Salman Habib, Christoph Junghans, Damien Lebrun-Grandié, Jamaludin Mohd-Yusof, Stan G. Moore, Daniel Osei-Kuffuor, Steven J. Plimpton, Adrian Pope, Samuel Temple Reeve, Lee F. Ricketson, Aaron Scheinberg, Amil Y. Sharma, Michael E. Wall
2021 B conf
Maintaining Trust in Reduction: Preserving the Accuracy of Quantities of Interest for Lossy Compression.
SMC
Qian Gong, Xin Liang, Ben Whitney, Jong Youl Choi, Jieyang Chen, Lipeng Wan, Stéphane Ethier, Seung-Hoe Ku, Randy Michael Churchill, Choong-Seock Chang, Mark Ainsworth, Ozan Tugluk, Todd S. Munson, David Pugmire, Richard Archibald, Scott Klasky
2020 B conf
Data Federation Challenges in Remote Near-Real-Time Fusion Experiment Data Processing.
SMC
Jong Choi, Ruonan Wang, Randy Michael Churchill, Ralph Kube, Minjun Choi, Jinseop Park, Jeremy Logan, Kshitij Mehta, Greg Eisenhauer, Norbert Podhorszki, Matthew Wolf, Choong-Seock Chang, Scott Klasky
2020 B conf
Machine Learning for the Complex, Multi-scale Datasets in Fusion Energy.
SMC
Randy Michael Churchill, Jong Choi, Ralph Kube, Choong-Seock Chang, Scott Klasky
2020 J jnl
Moment preserving constrained resampling with applications to particle-in-cell methods.
J. Comput. Phys.
Danial Faghihi, Varis Carey, Craig Michoski, Robert Hager, Saloman Janhunen, Choong-Seock Chang, Robert D. Moser
2020 — conf
Near real-time analysis of big fusion data on HPC systems.
UrgentHPC@SC
Ralph Kube, Randy Michael Churchill, Jong Choi, Ruonan Wang, Minjun Choi, Scott Klasky, Choong-Seock Chang
2020 J jnl
Training neural networks under physical constraints using a stochastic augmented Lagrangian approach.
CoRR
Alp Dener, Marco Andres Miller, Randy Michael Churchill, Todd S. Munson, Choong-Seock Chang
2019 — conf
ContourNet: Salient Local Contour Identification for Blob Detection in Plasma Fusion Simulation Data.
ISVC (1)
Martin Imre, Jun Han, Julien Dominski, Michael Churchill, Ralph Kube, Choong-Seock Chang, Tom Peterka, Hanqi Guo, Chaoli Wang
2018 — conf
Coupling Exascale Multiphysics Applications: Methods and Lessons Learned.
eScience
Jong Youl Choi, Choong-Seock Chang, Julien Dominski, Scott Klasky, Gabriele Merlo, Eric Suchyta, Mark Ainsworth, Bryce Allen, Franck Cappello, Michael Churchill, Philip E. Davis, Sheng Di, Greg Eisenhauer, Stéphane Ethier, Ian T. Foster, Berk Geveci, Hanqi Guo, Kevin A. Huck, Frank Jenko, Mark Kim, James Kress, Seung-Hoe Ku, Qing Liu, Jeremy Logan, Allen D. Malony, Kshitij Mehta, Kenneth Moreland, Todd S. Munson, Manish Parashar, Tom Peterka, Norbert Podhorszki, Dave Pugmire, Ozan Tugluk, Ruonan Wang, Ben Whitney, Matthew Wolf, Chad Wood
2018 — conf
In Situ Analysis and Visualization of Fusion Simulations: Lessons Learned.
ISC Workshops
Mark Kim, James Kress, Jong Choi, Norbert Podhorszki, Scott Klasky, Matthew Wolf, Kshitij Mehta, Kevin A. Huck, Berk Geveci, Sujin Phillip, Robert Maynard, Hanqi Guo, Tom Peterka, Kenneth Moreland, Choong-Seock Chang, Julien Dominski, Michael Churchill, David Pugmire
2017 J jnl
Scalable Visualization of Time-varying Multi-parameter Distributions Using Spatially Organized Histograms.
IEEE Trans. Vis. Comput. Graph.
Tyson Neuroth, Franz Sauer, Weixing Wang, Stéphane Ethier, Choong-Seock Chang, Kwan-Liu Ma
2017 C conf
TGE: Machine Learning Based Task Graph Embedding for Large-Scale Topology Mapping.
CLUSTER
Jong Youl Choi, Jeremy Logan, Matthew Wolf, George Ostrouchov, Tahsin M. Kurç, Qing Liu, Norbert Podhorszki, Scott Klasky, Melissa Romanus, Qian Sun, Manish Parashar, Randy Michael Churchill, Choong-Seock Chang
2016 J jnl
A fully non-linear multi-species Fokker-Planck-Landau collision operator for simulation of fusion plasma.
J. Comput. Phys.
Robert Hager, Eisung Yoon, Seung-Hoe Ku, Eduardo F. D'Azevedo, Patrick H. Worley, Choong-Seock Chang
2016 J jnl
A new hybrid-Lagrangian numerical scheme for gyrokinetic simulation of tokamak edge plasma.
J. Comput. Phys.
Seung-Hoe Ku, Robert Hager, Choong-Seock Chang, J. M. Kwon, Scott E. Parker
2016 J jnl
Mesh generation for confined fusion plasma simulation.
Eng. Comput.
Fan Zhang, Robert Hager, Seung-Hoe Ku, Choong-Seock Chang, Stephen C. Jardin, Nathaniel M. Ferraro, E. Seegyoung Seol, Eisung Yoon, Mark S. Shephard
2016 — conf
Persistent Data Staging Services for Data Intensive In-situ Scientific Workflows.
DIDC@HPDC
Melissa Romanus, Fan Zhang, Tong Jin, Qian Sun, Hoang Bui, Manish Parashar, Jong Youl Choi, Saloman Janhunen, Robert Hager, Scott Klasky, Choong-Seock Chang, Ivan Rodero
2016 J jnl
Towards Real-Time Detection and Tracking of Spatio-Temporal Features: Blob-Filaments in Fusion Plasma.
IEEE Trans. Big Data
Lingfei Wu, K. John Wu, Alex Sim, Michael Churchill, Jong Youl Choi, Andreas Stathopoulos, Choong-Seock Chang, Scott Klasky
2015 A conf
Exploring Data Staging Across Deep Memory Hierarchies for Coupled Data Intensive Simulation Workflows.
IPDPS
Tong Jin, Fan Zhang, Qian Sun, Hoang Bui, Melissa Romanus, Norbert Podhorszki, Scott Klasky, Hemanth Kolla, Jacqueline Chen, Robert Hager, Choong-Seock Chang, Manish Parashar
2015 J jnl
NERSC's Impact on Advances of Global Gyrokinetic PIC Codes for Fusion Energy Research.
Comput. Sci. Eng.
Stéphane Ethier, Choong-Seock Chang, Seung-Hoe Ku, Wei-Li Lee, Weixing Wang, Zhihong Lin, William M. Tang
2015 J jnl
Towards Real-Time Detection and Tracking of Blob-Filaments in Fusion Plasma Big Data.
CoRR
Lingfei Wu, Kesheng Wu, Alex Sim, Michael Churchill, Jong Youl Choi, Andreas Stathopoulos, Choong-Seock Chang, Scott Klasky
2014 C conf
Leveraging deep memory hierarchies for data staging in coupled data-intensive simulation workflows.
CLUSTER
Tong Jin, Fan Zhang, Qian Sun, Hoang Bui, Norbert Podhorszki, Scott Klasky, Hemanth Kolla, Jacqueline Chen, Robert Hager, Choong-Seock Chang, Manish Parashar
2013 J jnl
ALACRITY: Analytics-Driven Lossless Data Compression for Rapid In-Situ Indexing, Storing, and Querying.
Trans. Large Scale Data Knowl. Centered Syst.
John Jenkins, Isha Arkatkar, Sriram Lakshminarasimhan, David A. Boyuka II, Eric R. Schendel, Neil Shah, Stéphane Ethier, Choong-Seock Chang, Jackie Chen, Hemanth Kolla, Scott Klasky, Robert B. Ross, Nagiza F. Samatova
2013 J jnl
ISABELA for effective in situ compression of scientific data.
Concurr. Comput. Pract. Exp.
Sriram Lakshminarasimhan, Neil Shah, Stéphane Ethier, Seung-Hoe Ku, Choong-Seock Chang, Scott Klasky, Robert Latham, Robert B. Ross, Nagiza F. Samatova
2012 — conf
Analytics-Driven Lossless Data Compression for Rapid In-situ Indexing, Storing, and Querying.
DEXA (2)
John Jenkins, Isha Arkatkar, Sriram Lakshminarasimhan, Neil Shah, Eric R. Schendel, Stéphane Ethier, Choong-Seock Chang, Jacqueline H. Chen, Hemanth Kolla, Scott Klasky, Robert B. Ross, Nagiza F. Samatova
2012 A* conf
ISOBAR Preconditioner for Effective and High-throughput Lossless Data Compression.
ICDE
Eric R. Schendel, Ye Jin, Neil Shah, Jackie Chen, Choong-Seock Chang, Seung-Hoe Ku, Stéphane Ethier, Scott Klasky, Robert Latham, Robert B. Ross, Nagiza F. Samatova
2011 A conf
ISABELA-QA: query-driven analytics with ISABELA-compressed extreme-scale scientific data.
SC
Sriram Lakshminarasimhan, John Jenkins, Isha Arkatkar, Zhenhuan Gong, Hemanth Kolla, Seung-Hoe Ku, Stéphane Ethier, Jackie Chen, Choong-Seock Chang, Scott Klasky, Robert Latham, Robert B. Ross, Nagiza F. Samatova
2011 A* conf
S-preconditioner for Multi-fold Data Reduction with Guaranteed User-Controlled Accuracy.
ICDM
Ye Jin, Sriram Lakshminarasimhan, Neil Shah, Zhenhuan Gong, Choong-Seock Chang, Jackie Chen, Stéphane Ethier, Hemanth Kolla, Seung-Hoe Ku, Scott Klasky, Robert Latham, Robert B. Ross, Karen Schuchardt, Nagiza F. Samatova