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Organization

Lawrence Livermore National Laboratory (LLNL)
Contributors
William Arndt
Gregory Becker
David Beckingsale
Brian Behlendorf
Tal Ben-Nun
David Boehme
John Bowen
Stephanie Brink
Jason Burmark
John Camier
Shane Canon
Trent D'Hooge
Tamara Dahlgren
Bronis de Supinski
Chris DePrater
Hariharan Devarajan
Veselin Dobrev
Johannes Doerfert
Charles Doutriaux
Nikoli Dryden
Todd Gamblin
Marisol Gamboa
Giorgis Georgakoudis
Maya Gokhale
Elsa J. Gonsiorowski
Patricia Gonzalez-Guerrero
Nathan Hanford
Judith Hill
Charles Jekel
Tzanio Kolev
Ignacio Laguna
Hung-Ming Lai
Andrekka "AJ" Lanier
Matthew L. Leininger
Edgar Leon
Jamie Lewis
Pei-Hung Lin
Peter Lindstrom
Zarija Lukić
Aniruddha Marathe
Daniel Margala
Michael McKinsey
Neil Mehta
Harshitha Menon
Daniel Milroy
Kathryn Mohror
Ramesh Pankajakshan
Konstantinos Parasyris
Tapasya Patki
Olga Pearce
Doru Thom Popovici
Loic Pottier
Brian Ryujin
Kevin Sala
Abhik Sarkar
Tom Scogland
Alec Scott
John Shalf
Kathleen Shea
Vanessa Sochat
Thomas Stitt
Brian Van Essen
Kenneth Weiss
Session Chairs
David Boehme
Stephanie Dempsey
Erik Draeger
Maya Gokhale
Elsa J. Gonsiorowski
Ignacio Laguna
Andrekka Lanier
Harshitha Menon
Loïc Pottier
Kenneth Weiss
Presentations
Workshop
2025 International Workshop on Performance, Portability, and Productivity in HPC
9:00am - 9:05am CST Monday, 17 November 2025 231
Performance Evaluation, Scalability, & Portability
Livestreamed
Recorded
TP
W
Workshop
7th Workshop on Programming and Performance Visualization Tools (ProTools)
2:00pm - 2:01pm CST Monday, 17 November 2025 241
Livestreamed
Recorded
TP
W
Workshop
9th International Workshop on Software Correctness for HPC Applications (Correctness '25)
9:00am - 9:05am CST Monday, 17 November 2025 261
Livestreamed
Recorded
TP
W
Workshop
A Cache Interaction Graph for Data Locality Optimization
2:01pm - 2:30pm CST Monday, 17 November 2025 241
Livestreamed
Recorded
TP
W
Tutorial
Accelerating and Scaling Python for HPC
8:30am - 12:00pm CST Monday, 17 November 2025 124
Livestreamed
Recorded
TUT
Research and ACM SRC Posters
An Approach for Correlating Compiler Optimizations with Runtime Performance
8:00am - 5:00pm CST Tuesday, 18 November 2025 Second Floor Atrium
Research & ACM SRC Posters
TP
Birds of a Feather
An Integrated Deep Reinforcement Learning Agent for Sunfish and HPC Workload Manager Composable Disaggregated Resource Scheduling
5:15pm - 6:45pm CST Wednesday, 19 November 2025 276
Composable Systems
Livestreamed
Recorded
TP
XO/EX
Paper
Automatic Generation of Mappings for Distributed Fourier Operations
10:52am - 11:15am CST Tuesday, 18 November 2025 275
HPC for Machine Learning
Programming Frameworks
Livestreamed
Recorded
TP
Paper
Benchmark-Driven Models for Energy Analysis and Attribution of GPU-Accelerated Supercomputing
11:15am - 11:37am CST Wednesday, 19 November 2025 263-264
Energy Efficiency
Performance Measurement, Modeling, & Tools
Power Use Monitoring & Optimization
State of the Practice
Livestreamed
Recorded
TP
Paper
Breaking the System Noise Barrier at Exascale
1:52pm - 2:15pm CST Tuesday, 18 November 2025 275
State of the Practice
Livestreamed
Recorded
TP
Paper
Bridging the Gap Between Binary and Source-Based Package Management in Spack
3:52pm - 4:15pm CST Tuesday, 18 November 2025 275
State of the Practice
System Software and Cloud Computing
Livestreamed
Recorded
TP
Paper
C.A.T.S.: Memory and Control Flow Tracing for Whole-Program Performance Analysis
1:30pm - 1:52pm CST Tuesday, 18 November 2025 263-264
Performance Measurement, Modeling, & Tools
System Software and Cloud Computing
Livestreamed
Recorded
TP
Paper
Caracal: A GPU-Resident Sparse LU Solver with Lightweight Fine-Grained Scheduling
4:15pm - 4:37pm CST Wednesday, 19 November 2025 260-267
Algorithms
Livestreamed
Recorded
TP
Birds of a Feather
Communication Libraries in HPC and AI
12:15pm - 1:15pm CST Wednesday, 19 November 2025 240-241-242
Architectures & Networks
Livestreamed
Recorded
TP
XO/EX
Tutorial
Compression for Scientific Data
1:30pm - 5:00pm CST Monday, 17 November 2025 125
Livestreamed
Recorded
TUT
Workshop
Containers and New Orchestration Paradigms for Isolated Environments in HPC
9:00am - 9:15am CST Monday, 17 November 2025 275
Livestreamed
Recorded
TP
W
Birds of a Feather
Converged HPC-AI Platforms: Navigating the Challenges of Heterogeneous Systems
12:15pm - 1:15pm CST Thursday, 20 November 2025 274
Architectures & Networks
Livestreamed
Recorded
TP
XO/EX
Tutorial
Deep Learning at Scale
8:30am - 5:00pm CST Monday, 17 November 2025 131
Livestreamed
Recorded
TUT
Birds of a Feather
Democratizing AI Accelerators for HPC Applications: Challenges, Success, and Support
5:15pm - 6:45pm CST Tuesday, 18 November 2025 275
Programming Frameworks
Livestreamed
Recorded
TP
XO/EX
Workshop
Determining Levels of Detail for Simulators of Parallel and Distributed Computing Systems via Automated Calibration
10:30am - 11:00am CST Monday, 17 November 2025 267
Livestreamed
Recorded
TP
W
Workshop
Dynamic Thread Coarsening for CPU and GPU OpenMP Code
4:00pm - 4:30pm CST Monday, 17 November 2025 260
Livestreamed
Recorded
TP
W
Birds of a Feather
Emerging Challenges for AI/ML Workflows
5:15pm - 6:45pm CST Tuesday, 18 November 2025 123
Artificial Intelligence & Machine Learning
Livestreamed
Recorded
TP
XO/EX
Workshop
Extending RAJA Parallel Programming Abstractions with Just-In-Time Optimization
4:00pm - 4:30pm CST Monday, 17 November 2025 231
Performance Evaluation, Scalability, & Portability
Livestreamed
Recorded
TP
W
Workshop
First International Symposium on Artificial Intelligence and Extreme-Scale Workflows
8:30am - 8:35am CST Friday, 21 November 2025 274
Livestreamed
Recorded
TP
W
Panel
Hardware Modularity for Practical Heterogeneous HPC
10:30am - 12:00pm CST Wednesday, 19 November 2025 240-241-242
Architectures
SC Community Hot Topics
Livestreamed
Recorded
TP
Birds of a Feather
High Performance Software Foundation BoF
12:15pm - 1:15pm CST Tuesday, 18 November 2025 230
Community Meetings
Livestreamed
Recorded
TP
XO/EX
Art of HPC
High-Resolution Acoustic–Gravity Simulation for Tsunami Early Warning in the Cascadia Subduction Zone
8:00am - 6:00pm CST Sunday, 16 November 2025 Art of HPC - Plaza Lobby
Art of HPC
Not Livestreamed
Not Recorded
TP
W
TUT
XO/EX
Workshop
HPC Digital Twins for Evaluating Scheduling Policies, Incentive Structures and their Impact on Power and Cooling
2:30pm - 2:45pm CST Sunday, 16 November 2025 264
Livestreamed
Recorded
TP
W
Workshop
HUST-25: 12th International Workshop on HPC User Support Tools
2:00pm - 2:01pm CST Sunday, 16 November 2025 276
Livestreamed
Recorded
TP
W
Students@SC
Ignite Your Career: Résumé Strategies for HPC
9:00am - 9:45am CST Monday, 17 November 2025 263
Not Livestreamed
Not Recorded
TP
W
TUT
XO/EX
Workshop
International Workshop on RESource DISaggregation in High Performance Computing (RESDIS)
9:00am - 9:01am CST Sunday, 16 November 2025 265
Livestreamed
Recorded
TP
W
Tutorial
Julia for HPC
1:30pm - 5:00pm CST Sunday, 16 November 2025 125
Livestreamed
Recorded
TUT
Birds of a Feather
Key Features Coming to OpenMP API Version 6.1
5:15pm - 6:45pm CST Wednesday, 19 November 2025 231-232
Programming Frameworks
Livestreamed
Recorded
TP
XO/EX
Tutorial
Managing HPC Software Complexity with Spack
8:30am - 5:00pm CST Monday, 17 November 2025 127
Livestreamed
Recorded
TUT
Tutorial
Mastering OpenMP Tasking: From Start to Free-Agent Tasks
8:30am - 12:00pm CST Sunday, 16 November 2025 125
Livestreamed
Recorded
TUT
Birds of a Feather
Meeting HPC Community Needs: How ACM SIGHPC, IEEE TCPP/TCHPC, and SIAG-SC/CSE Join Efforts to Engage Communities and Deliver Services
12:15pm - 1:15pm CST Thursday, 20 November 2025 124
Community Meetings
Livestreamed
Recorded
TP
XO/EX
Workshop
MEMO’25: International Workshop on Memory System, Management and Optimization
2:00pm - 2:05pm CST Sunday, 16 November 2025 274
Livestreamed
Recorded
TP
W
Workshop
Moderated Discussion
11:20am - 12:00pm CST Friday, 21 November 2025 274
Livestreamed
Recorded
TP
W
Birds of a Feather
Ongoing/Commissioning Liquid Cooling Systems: Case Studies and a Systematic Guide
5:15pm - 6:45pm CST Tuesday, 18 November 2025 125
State of the Practice
Livestreamed
Recorded
TP
XO/EX
Tutorial
Orchestrating Complex HPC and AI/ML Workflows on Kubernetes Using Flux and AWS
1:30pm - 5:00pm CST Sunday, 16 November 2025 123
Livestreamed
Recorded
TUT
Workshop
Panel Discussion: Managing a Python Environment for Everyone
4:45pm - 5:30pm CST Monday, 17 November 2025 242
Livestreamed
Recorded
TP
W
Tutorial
Performance Tuning of HPC and ML/AI Applications with the Roofline Model on GPUs, APUs, and CPUs
1:30pm - 5:00pm CST Sunday, 16 November 2025 126
Livestreamed
Recorded
TUT
Tutorial
Portable GPU Acceleration of HPC Applications with Standard C++
8:30am - 12:00pm CST Monday, 17 November 2025 121
Livestreamed
Recorded
TUT
Panel
Research Software Engineering in the Age of AI
1:30pm - 3:00pm CST Thursday, 20 November 2025 240-241-242
AI, Machine Learning, & Deep Learning
HPC Software & Runtime Systems
SC Community Hot Topics
Livestreamed
Recorded
TP
Workshop
RISC-V Vectorization Coverage for HPC: A TSVC-Based Analysis
10:50am - 11:10am CST Monday, 17 November 2025 242
Livestreamed
Recorded
TP
W
Workshop
Scabbard: LLVM Instrumentation-aided Race Checking in CPU/GPU Unified Memory for AMD GPUs
4:30pm - 5:00pm CST Monday, 17 November 2025 260
Livestreamed
Recorded
TP
W
Workshop
Sixth Combined Workshop on Interactive and Urgent High-Performance Computing
8:30am - 8:31am CST Friday, 21 November 2025 260-267
Livestreamed
Recorded
TP
W
Workshop
SmartIO: A Lightweight End-to-End Workflow for Runtime I/O Optimization of HPC Systems
12:00pm - 12:30pm CST Monday, 17 November 2025 230
Data Analytics
High Performance I/O, Storage, Archive, & File Systems
Storage
Livestreamed
Recorded
TP
W
Birds of a Feather
Spack Community BoF
12:15pm - 1:15pm CST Wednesday, 19 November 2025 275
Community Meetings
Livestreamed
Recorded
TP
XO/EX
Workshop
State Machine Orchestration of an HPC Workflow in Cloud
11:54am - 12:12pm CST Monday, 17 November 2025 264
Livestreamed
Recorded
TP
W
Students@SC
Students@SC: Ignite Your Career — Career Panel
3:45pm - 4:45pm CST Sunday, 16 November 2025 263
Not Livestreamed
Not Recorded
TP
W
TUT
XO/EX
Panel
System and Software Testing for Post-Exascale HPC: Challenges and Opportunities
1:30pm - 3:00pm CST Wednesday, 19 November 2025 240-241-242
Debugging & Correctness Tools
HPC Software & Runtime Systems
Systems Administration and/or Resource Management of HPC Systems
Livestreamed
Recorded
TP
Panel
The Quantum Era of HPC: Roadmaps, Challenges, and Opportunities in Navigating the Integration Frontier
10:30am - 12:00pm CST Wednesday, 19 November 2025 231-232
Architectures
Performance Evaluation, Scalability, & Portability
SC Community Hot Topics
Livestreamed
Recorded
TP
Tutorial
Tools To Detect and Diagnose Floating-Point Errors in Heterogeneous Computing Hardware and Software
8:30am - 12:00pm CST Sunday, 16 November 2025 121
Livestreamed
Recorded
TUT
Workshop
Umpire: Portable Memory Management for High-Performance Computing Applications
3:30pm - 3:50pm CST Sunday, 16 November 2025 274
Livestreamed
Recorded
TP
W
Research and ACM SRC Posters
Understanding Communication Bottlenecks in Multi-Node LLM Inference
8:00am - 5:00pm CST Tuesday, 18 November 2025 Second Floor Atrium
Research & ACM SRC Posters
TP
Research and ACM SRC Posters
Understanding LLM Behavior on HPC Data via Mechanistic Interpretability
8:00am - 5:00pm CST Tuesday, 18 November 2025 Second Floor Atrium
Research & ACM SRC Posters
TP
Workshop
Usability Evaluation of Cloud for HPC Applications
2:00pm - 2:30pm CST Monday, 17 November 2025 275
Livestreamed
Recorded
TP
W
Tutorial
Using Containers To Accelerate HPC
8:30am - 5:00pm CST Sunday, 16 November 2025 132
Livestreamed
Recorded
TUT
Best Poster Presentations (Research, ACM SRC Grad/Undergrad)
Using Hardware Metrics To Understand Performance of the RAJA Performance Suite Kernels in Different GPU Modes on MI300A
4:15pm - 4:30pm CST Wednesday, 19 November 2025 230
Research & ACM SRC Posters
TP
Paper
What To Support When You’re Compressing: The State of Practice, Gaps, and Opportunities for Scientific Data Compression
1:30pm - 1:52pm CST Thursday, 20 November 2025 261-262-265-266
Algorithms
Applications
State of the Practice
Livestreamed
Recorded
TP
Paper
XaaS Containers: Performance-Portable Representation with Source and IR Containers
3:30pm - 3:52pm CST Tuesday, 18 November 2025 275
BP
State of the Practice
System Software and Cloud Computing
Livestreamed
Recorded
TP
Sessions
Workshop
16th Workshop on Latest Advances in Scalable Algorithms for Large-Scale Heterogeneous Systems (ScalAH'25)
9:00am - 5:30pm CST Sunday, 16 November 2025 231
Livestreamed
Recorded
TP
W
Workshop
MEMO’25: International Workshop on Memory System Management and Optimization
2:00pm - 5:30pm CST Sunday, 16 November 2025 274
Livestreamed
Recorded
TP
W
Workshop
HUST-25: 12th International Workshop on HPC User Support Tools
2:00pm - 5:30pm CST Sunday, 16 November 2025 276
Livestreamed
Recorded
TP
W
Workshop
2025 International Workshop on Performance, Portability, and Productivity in HPC (P3HPC)
9:00am - 5:30pm CST Monday, 17 November 2025 231
Performance Evaluation, Scalability, & Portability
Livestreamed
Recorded
TP
W
Workshop
9th International Workshop on Software Correctness for HPC Applications (Correctness '25)
9:00am - 5:30pm CST Monday, 17 November 2025 261
Livestreamed
Recorded
TP
W
Workshop
WHPC: Building Community, Building Careers
9:00am - 5:30pm CST Monday, 17 November 2025 276
Partially Livestreamed
Partially Recorded
TP
W
Workshop
7th Workshop on Programming and Performance Visualization Tools (ProTools)
2:00pm - 5:30pm CST Monday, 17 November 2025 241
Livestreamed
Recorded
TP
W
Community Engagement and Support
Leading Across Generations: Unlocking the Potential of Multi-Age Teams
10:30am - 12:00pm CST Tuesday, 18 November 2025 123
Not Livestreamed
Not Recorded
TP
W
TUT
XO/EX
Community Engagement and Support
From Service to Science: Pathways for Veterans in STEM
1:30pm - 3:00pm CST Tuesday, 18 November 2025 123
Not Livestreamed
Not Recorded
TP
W
TUT
XO/EX
Community Engagement and Support
Maximizing Collaboration in International & Multidisciplinary Teams
10:30am - 12:00pm CST Wednesday, 19 November 2025 123
Not Livestreamed
Not Recorded
TP
W
TUT
XO/EX
Students@SC
Speed Mentoring
11:00am - 1:30pm CST Wednesday, 19 November 2025 120-127
Not Livestreamed
Not Recorded
TP
W
TUT
XO/EX
Community Engagement and Support
Creating Community in Supercomputing: Engagement Practices That Work
1:30pm - 3:00pm CST Wednesday, 19 November 2025 123
Not Livestreamed
Not Recorded
TP
W
TUT
XO/EX
Paper
Anomaly Detection, Failure Management, and Resilience 2
3:30pm - 5:00pm CST Wednesday, 19 November 2025 263-264
Applications
Performance Measurement, Modeling, & Tools
State of the Practice
Livestreamed
Recorded
TP
Early Career
Students@SC
Students@SC & Early Career Program Alumni Event
5:00pm - 7:00pm CST Wednesday, 19 November 2025 The Party Zone
Not Livestreamed
Not Recorded
TP
W
TUT
XO/EX
Community Engagement and Support
Overcoming Impostor Syndrome in High-Tech Environments
10:30am - 12:00pm CST Thursday, 20 November 2025 123
Not Livestreamed
Not Recorded
TP
W
TUT
XO/EX
Workshop
1st International Symposium on Artificial Intelligence and Extreme-Scale Workflows
8:30am - 12:00pm CST Friday, 21 November 2025 274
Livestreamed
Recorded
TP
W