GCLab @ SC25

We at the Global Computing Lab (GCLab) are thrilled to participate in SC25! Join us throughout the week as we present our research, engage in discussions, and contribute to panels, workshops, and student showcases. We look forward to meeting you—come say hello!

Meet the Team and Collaborators at SC25

Michela Taufer
(GCLab Director)
Sanjukta Bhowmick
(Collaborator at UNT)
Jay Ashworth
(PhD Student and SC25 Lead Volunteer)
Befikir Bogale
(PhD Student and SC25 Lead Volunteer)
Connor Browne
(PhD Student and SC25 Student Volunteer)
Rajasi Gore
(GCLab/Epic Postdoctoral Researcher)
Ali Khan
(PhD Student at UNT and SC25 Lead Volunteer)
Ian Lumsden
(PhD Student and SC25 Lead Volunteer)
Nigel Tan
(GCLab Alumni and LANL Postdoctoral Researcher)

Project Showcase

At SC25, GCLab showcases the power of collaboration across computing, data, and science. Browse our projects that reflect our commitment to open, reproducible, and inclusive research—uniting students, faculty, and national lab collaborators to shape the future of HPC and AI.

Schedule of GCLab Activities at SC25

Sunday, Nov 16th
4:25pm – 5:10pm CST
Panel: Dynamic Graphs
Moderator: TBD
Panelist: TBD
Workshop: Workshop: IA³: Irregular Applications, Architectures, and Algorithms Workshop
Location: 232
Sanjukta Bhowmick
Michela Taufer
Monday, Nov 17th
9:00am – 5:30pm CST
Paper: Bridging Performance, Portability, and Scalability for Plasma Simulations on Heterogeneous Systems
Authors: Nigel Tan (LANL) , Scott V. Luedtke (LANL), Michela Taufer (UTK) , Brian Albright (LANL)
Workshop: 2025 International Workshop on Performance, Portability, and Productivity in HPC (P3HPC)
Location: 231

Nigel Tan, Scott V. Luedtke, Michela Taufer, Brian Albright. Bridging Performance, Portability, and Scalability for Plasma Simulations on Heterogeneous Systems. In Proceedings of the 2025 IA³: Irregular Applications, Architectures, and Algorithms Workshop at The International Conference on High Performance Computing, Network, Storage, and Analysis (SC25), St. Louis, MO, USA, November 2025. IEEE Computer Society.

@inproceedings{tan2025bridging,
author = {Nigel Tan and Scott V. Luedtke and Michela Taufer and Brian Albright},
title = {Bridging Performance, Portability, and Scalability for Plasma Simulations on Heterogeneous Systems},
booktitle = {Proceedings of the 2025 IA\textsuperscript{3}: Irregular Applications, Architectures, and Algorithms Workshop at The International Conference on High Performance Computing, Network, Storage, and Analysis (SC25)},
year = {2025},
address = {St. Louis, MO, USA},
month = nov,
publisher = {IEEE Computer Society}
}

1:30pm – 5:30pm CST
Panel: Storage Architectures and I/O Optimizations for AI Applications
Moderator: Nikoli Joseph Dryden (LLNL)
Panelists: Quincey Coziol (NVIDIA), Hariharan Devarajan (LLNL), Glenn Lockwood (VAST Data, Inc.), Bogdan Nicolae (ANL), Michela Taufer (UTK)
Workshop: PDSW'25: The 10th International Parallel Data Systems Workshop
Location: 230
Tuesday, Nov 18th
12:15pm - 1:15pm CST
Birds of a Feather: SIGHPC Annual Member Meeting
Location: 145
3:30pm – 5:00pm CST
Panel: Rethink Computing: Pioneering Next-Level Architectures for Sustainable AI and HPC
Moderator: Bob Sorensen (Hyperion Research)
Panelists: Michael Förtsch (Q.ANT GmbH), Dieter Kranzlmüller (Leibniz Supercomputing Centre), Rick L. Stevens (ANL), Michela Taufer (UTK)
Workshop: Workshop: IA³: Irregular Applications, Architectures, and Algorithms Workshop
Location: 232
5:15pm – 7:00pm CST
Poster Sessions & Receptions: Student Research Competitions
Location: Second Floor Atrium

Befikir Bogale, Michela Taufer, Stephanie Brink, Olga Pearce, Tom Scogland, Jason Burmark, Ignacio Laguna, Ian Lumsden, David Boehme. “An Approach for Correlating Compiler Optimizations with Runtime Performance.” Presented at the ACM Student Research Competition at the International Conference on High Performance Computing, Network, Storage, and Analysis (SC25), St. Louis, MO, USA, November 2025. IEEE Computer Society.

@inproceedings{bogale2025approach,
author = {Befikir Bogale and Michela Taufer and Stephanie Brink and Olga Pearce and Tom Scogland and Jason Burmark and Ignacio Laguna and Ian Lumsden and David Boehme},
title = {An Approach for Correlating Compiler Optimizations with Runtime Performance},
booktitle = {ACM Student Research Competition at the International Conference on High Performance Computing, Network, Storage, and Analysis (SC25)},
year = {2025},
address = {St. Louis, MO, USA},
month = nov,
publisher = {IEEE Computer Society}
}

Dhroov Pandey, Jack Marquez, Sanjukta Bhowmick, Michela Taufer, “Novel Graph Alignment Algorithms for Identifying Non-Determinism in Large-Scale Simulations.” Presented at the ACM Student Research Competition at the International Conference on High Performance Computing, Network, Storage, and Analysis (SC25), St. Louis, MO, USA, November 2025. IEEE Computer Society.

@inproceedings{pandey2025novel,
author = {Dhroov Pandey and Jack Marquez and Sanjukta Bhowmick and Michela Taufer},
title = {Novel Graph Alignment Algorithms for Identifying Non-Determinism in Large-Scale Simulations},
booktitle = {Proceedings of the ACM Student Research Competition at the International Conference on High Performance Computing, Network, Storage, and Analysis (SC25)},
year = {2025},
month = nov,
address = {St. Louis, MO, USA},
publisher = {IEEE Computer Society},
note = {Presented at the ACM Student Research Competition},
}

Ian Lumsden, Michela Taufer, Stephanie Brink, Olga Pearce, Hariharan Devarajan, Jae-Seung Yeom, Tom Scogland. “Analytics4X: General-Purpose Framework for Analysis and Optimization of HPC Data Movement.” Presented at the ACM Doctoral Showcase Competition at the International Conference on High Performance Computing, Network, Storage, and Analysis (SC25), St. Louis, MO, USA, November 2025. IEEE Computer Society.

Poster Type: Doctoral Showcase

@inproceedings{lumsden2025analytics4x,
author = {Ian Lumsden and Michela Taufer and Stephanie Brink and Olga Pearce and Hariharan Devarajan and Jae-Seung Yeom and Tom Scogland},
title = {Analytics4X: General-Purpose Framework for Analysis and Optimization of HPC Data Movement},
booktitle = {Doctoral Showcase at the International Conference on High Performance Computing, Network, Storage, and Analysis (SC25)},
year = {2025},
address = {St. Louis, MO, USA},
month = nov,
publisher = {IEEE Computer Society}
}

Ali Khan, Sanjukta Bhowmick, Michela Taufer, “Parallel Local Motif Counting on Large-Scale Dynamic Graphs.” Presented at the ACM Student Research Competition at the International Conference on High Performance Computing, Network, Storage, and Analysis (SC25), St. Louis, MO, USA, November 2025. IEEE Computer Society.

Poster Type: Research Poster

@inproceedings{khan2025parallel,
author = {Ali Khan and Sanjukta Bhowmick and Michela Taufer},
title = {Parallel Local Motif Counting on Large-Scale Dynamic Graphs},
booktitle = {ACM Student Research Competition at the International Conference on High Performance Computing, Network, Storage, and Analysis (SC25)},
year = {2025},
address = {St. Louis, MO, USA},
month = nov,
publisher = {IEEE Computer Society}
}

Wednesday, Nov 19th
12:15pm - 1:15pm CST
Birds of a Feather: Autonomous Science Network: Interconnected Autonomous Science Labs Empowered by HPC and Intelligent Agents
Session Leader: Rafael Ferreira da Silva (ORNL)
Panelists: Ian Foster (ANL), Thomas Gibbs (NVIDIA), Noah Paulson (ANL), Michela Taufer (UTK)
Location: 131
3:30pm – 5:00pm CST
Best Poster Presentation: Graduate ACM Student Research Competition
Location: 230
Thursday, Nov 20th
10:30am – 12:00pm CST
Doctoral Showcase
Student: Ian Lumsden (UTK)
Title: Analytics4X: General-Purpose Framework for Analysis and Optimization of HPC Data Movement
Mentor: Michela Taufer (UTK)
Location:230
12:45pm – 1:30pm CST
SC25 Awards Ceremony
Location: America’s Ballroom

Other GCL Activities

SC25 Student Lead Volunteers:
We have four graduate students serving as lead volunteers: Jay Ashworth (UTK), Befikir Bogale (UTK), Ali Khan (UNT), Ian Lumsden (UTK)
Visit GCLab work presented at SC24 - Nov 17-22, 2024