HPSF Conference 2025

HPSF Conference 2025

May 5-8, 2025
Chicago, IL
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IMPORTANT NOTE: Timing of sessions and room locations are subject to change.

8:00am CDT

Registration & Badge Pick-Up Ballroom Meeting Foyer

9:00am CDT

Welcome Remarks - Christian Trott, Sandia National Laboratories Chicago River Ballroom

9:10am CDT

HPSF State of the Project Overview - Todd Gamblin, Lawrence Livermore National Laboratory Chicago River Ballroom

9:20am CDT

Governing Board Introduction - Heidi Poxon, AWS Chicago River Ballroom

9:35am CDT

TAC Introduction - Bill Hoffman, Kitware Chicago River Ballroom

9:50am CDT

Working Groups Introduction - Damien Lebrun-Grandie, Oak Ridge National Laboratory Chicago River Ballroom

10:00am CDT

10:30am CDT

Project Updates Chicago River Ballroom

12:30pm CDT

Lunch (Provided for Attendees) Atrium

2:00pm CDT

Project Updates Chicago River Ballroom

3:00pm CDT

3:30pm CDT

Panel Discussion: Status and Trends in the HPC Landscape - Moderated by Todd Gamblin, Lawrence Livermore National Laboratory Chicago River Ballroom

5:00pm CDT

Attendee Reception Ballroom Meeting Foyer Poster Sessions Chicago River Ballroom

8:30am CDT

Registration & Badge Pick-Up Ballroom Meeting Foyer

9:00am CDT

Welcome & Overview of Day Chicago River Ballroom

9:05am CDT

Performance, Usability and Issues on Current Systems - Kevin Huck, University of Oregon & Chris Siefert, Sandia National Laboratories Chicago River Ballroom

10:30am CDT

11:00am CDT

Panel Discussion: Processor Trends and What They Mean for Software - Speakers to be Announced Chicago River Ballroom

12:30pm CDT

Lunch (Provided for Attendees) Atrium

2:00pm CDT

Working Group Breakouts Chicago River Ballroom

3:00pm CDT

Working Group Breakout Reports Chicago River Ballroom

3:25pm CDT

3:50pm CDT

HPSF Community BOF Chicago River Ballroom

5:20pm CDT

Closing Remarks Chicago River Ballroom

8:30am CDT

Registration & Badge Pick-Up Ballroom Meeting Foyer

9:00am CDT

Welcome and Overview - Todd Gamblin, Lawrence Livermore National Laboratory Salon E-G Numerical Relativity with AMReX - Miren Radia, University of Cambridge, Lawrence Berkeley National Laboratory Rock River 1 & 2 The History of Apptainer - One Dave's Perspective, Dave Godlove, CIQ Mississippi River 1 & 2 Introduction to Containers and Charliecloud - Reid Priedhorsky, Los Alamos National Laboratory Illinois River Updates from the Kokkos Team Salon A-C

9:10am CDT

State of the Spack Community, Todd Gamblin, Lawrence Livermore National Laboratory Salon E-G

9:20am CDT

Cosmological Discoveries Enabled by the Nyx Code Zarija Lukic - Lawrence Berkeley National Laboratory Rock River 1 & 2 Apptainer in Lima - Anders Björklund, Cloud Native Computing Foundation Mississippi River 1 & 2

9:40am CDT

Quokka: A New Multiphysics Code for Star Formation and Astrophysics - Ben Wibking, Michigan State University Rock River 1 & 2 Using Apptainer in a Pilot-based Distributed Workload - Marco Mambelli, Fermi National Accelerator Laboratory Mississippi River 1 & 2 Charliecloud Workshop: Key Workflow Operation - Pull - Megan Phinney, Los Alamos National Laboratory Illinois River

9:45am CDT

Spack v1.0 - Greg Becker, Lawrence Livermore National Laboratory Salon E-G

10:00am CDT

Leveraging SUNDIALS to Accelerate AMReX Simulations - Andy Nonaka, Lawrence Berkeley National Laboratory Rock River 1 & 2 Creating Apptainer Workflows with Docker-Compose-like Utilities - Brandon Biggs, Idaho National Laboratory Mississippi River 1 & 2 Charliecloud Workshop: Containers Are Not Special Alpine via Tarball - Megan Phinney, Los Alamos National Laboratory Illinois River

10:20am CDT

10:45am CDT

ExaEpi: Agent-Based Modeling for Epidemiology using AMReX - Andrew Myers, Lawrence Berkeley National Laboratory Rock River 1 & 2 Breaking Barriers in HPC: How Apptainer is Changing Software Deployment in NSM - Parikshit Ardhapurkar & Samir Shaikh, Centre for Development of Advanced Computing Mississippi River 1 & 2 Charliecloud Workshop: Key Workflow Operation - Build from Dockerfile - Megan Phinney, Los Alamos National Laboratory Illinois River Optimizing Spack: Multi-Package Parallel Builds for Faster Installation - Kathleen Shea, Lawrence Livermore National Laboratory Salon E-G Kokkos in Applications Salon A-C

11:05am CDT

Updates on the WarpX Project: Experiences with AMReX, Lessons Learned, and Future Challenges - Edoardo Zoni, Lawrence Berkeley National Laboratory Rock River 1 & 2 Leveraging Apptainer for Scalable and Secure Distributed Computing - Om Jadhav & Vamshi Krishna, C-DAC India Mississippi River 1 & 2 Charliecloud Workshop: Key Workflow Operation - Push - Megan Phinney, Los Alamos National Laboratory Illinois River Fast Binary Installation with Spack Splicing - John Gouwar, Northeastern University Salon E-G

11:25am CDT

Using AMReX’s Embedded Boundaries to Support MFIX-Exa’s Geometry Capabilities - Deepak Rangarajan, Battelle Memorial Institute Rock River 1 & 2 Recent Apptainer Developments - Dave Dykstra, Fermi National Accelerator Laboratory Mississippi River 1 & 2 Charliecloud Workshop: MPI Hello World - Megan Phinney, Los Alamos National Laboratory Illinois River Spack on Windows - John Parent, Kitware, Inc. Salon E-G

11:45am CDT

Solid Mechanics in Alamo/AMReX: From Optimized Trusses to Burning Propellants - Brandon Runnels, Iowa State University Rock River 1 & 2 Session to be Announced Mississippi River 1 & 2 Charliecloud Workshop: Wrap-up - Megan Phinney, Los Alamos National Laboratory Illinois River Spack CI: Past, Present, and Future - Ryan Krattiger, Kitware, Inc. Salon E-G

12:05pm CDT

Lunch (Provided for Attendees) Atrium

1:35pm CDT

In Situ Integration of AMReX with Python Ecosystem via pyAMReX - Bhargav Siddani, Lawrence Berkeley National Laboratory Rock River 1 & 2 Key Charliecloud Innovation - Build Cache - Reid Priedhorsky, Los Alamos National Laboratory Illinois River E4S and Spack - Sameer Shende, University of Oregon Salon E-G Trilinos Introduction and Overview - Curtis Ober, Sandia National Laboratories Mississippi River 1 & 2 Adopting Kokkos Chicago River Ballroom

1:55pm CDT

A High-Performance, GPU-Enabled, Data-Driven Micromagnetics Solver for Spintronic Systems - Yingheng Tang, Lawrence Berkeley National Laboratory Rock River 1 & 2 Key Charliecloud Innovation - SIF - Krishna Chilleri, Los Alamos National Laboratory Illinois River Spack-Stack: An Interagency Collaboration and Spack Extension - Dom Heinzeller, NRL / UCAR Salon E-G An Overview of the Trilinos Core Products - Roger Pawlowski, Sandia National Laboratories Mississippi River 1 & 2

2:15pm CDT

Exascale Modeling with ML-Based Surrogates for Magnon-Photon Dynamics in Hybrid Quantum System - Zhi Jackie Yao, Lawrence Berkeley National Laboratory Rock River 1 & 2 Key Charliecloud Innovation - squashfs - Megan Phinney, Los Alamos National Laboratory Illinois River Packaging for HPC and HTC in High Energy and Nuclear Physics: Comparing Spack to Other Solutions - Wouter Deconinck, University of Manitoba Salon E-G Why Your Science Application Should Be Using Trilinos Linear Solvers - Jonathan Hu, Sandia National Laboratories Mississippi River 1 & 2

2:35pm CDT

AMReX for Renewable Energy Applications at NREL - Marc Day, National Renewable Energy Laboratory Rock River 1 & 2 Key Charliecloud Innovation - seccomp - Reid Priedhorsky, Los Alamos National Laboratory Illinois River Developing and Distributing HEP Software Stacks with Spack - Kyle Knoepfel & Marc Paterno, Fermi National Accelerator Laboratory Salon E-G Introduction to Trilinos Discretization and Analysis Capabilities - Mauro Perego, Sandia National Laboratories Mississippi River 1 & 2

2:55pm CDT

Advancing High-speed Compressible Flow Simulations: Moving Bodies and Multiphase Flows with AMReX - Mahesh Natarajan, Lawrence Berkeley National Laboratory Rock River 1 & 2 Key Charliecloud Innovation - CDI - Reid Priedhorsky, Los Alamos National Laboratory Illinois River GAIA: A Software Deployment Strategy, Ordeals, Success, and General Applicability - Etienne Malaboeuf, CEA Salon E-G Trilinos CI Testing/Contribution Overview - Samuel E. Browne, Sandia National Laboratories Mississippi River 1 & 2

3:15pm CDT

3:40pm CDT

Closing Gaps in Spack for Software Application DevOps Infrastructure - Phil Sakievich, Sandia National Laboratories Salon E-G A Mixed Formulation Vorticity-velocity Solver using AMReX Framework for Wind Farm Modeling - Balaji Muralidharan, Continuum Dynamics Rock River 1 & 2 The Role of Trilinos in 4C: Advancing Coupled Multiphysics Simulations - Matthias Mayr, University of the Bundeswehr Munich Mississippi River 1 & 2 Charliecloud Office Hours - Reid Priedhorsky, Los Alamos National Laboratory Illinois River Lightning Talks Chicago River Ballroom

3:50pm CDT

Development of Complex Software Stacks with Spack - Cedric Chevalier, CEA Salon E-G

4:00pm CDT

Feedback on Using Spack to Deploy a Development Environment for the Gyselalibxx Library - Thomas Padioleau, CEA Salon E-G ExaWind: Leveraging AMReX for High Fidelity Wind Farm Simulations - Marc Henry de Frahan, National Renewable Energy Laboratory Rock River 1 & 2 Automated Preconditioner Design in the Trilinos/Teko Package - Malachi Phillips, Sandia National Laboratories Mississippi River 1 & 2

4:10pm CDT

Spack at the Linac Coherent Light Source: Progress, Success, and Challenges - Valerio Mariani, SLAC National Accelerator Laboratory Salon E-G

4:20pm CDT

Towards a Zero-Install Programming Environment - Mike Kiernan & Victor Gamayunov, Microsoft Salon E-G Load Balancing in AMReX: Advancements and Discussing Future Goals - Kevin Gott, Lawrence Berkeley National Laboratory - NERSC Rock River 1 & 2 Keeping Trilinos Running Performantly Everywhere Every Night - Chris Siefert, Sandia National Laboratories Mississippi River 1 & 2

4:30pm CDT

Deploying Software on Frontier with NCCS Software Provisioning (NSP) - Fernando Posada, Oak Ridge National Laboratory Salon E-G

4:40pm CDT

Organizational Approach to Spack Engagement: A Case Study - Phil Sakievich, Sandia National Laboratories Salon E-G Code Coupling of PeleLM and IRL for Liquid Fuel Combustion Simulation - Hyoungwoo Kim, Korea Advanced Institute of Science and Technology Rock River 1 & 2 PyTrilinos2: Using Trilinos from Python - Christian Glusa, Sandia National Laboratories Mississippi River 1 & 2

4:50pm CDT

Dynamic Resource Allocation for Continuous Integration Build Pipelines - Caetano Melone, Lawrence Livermore National Laboratory Salon E-G

8:30am CDT

Registration & Badge Pick-Up Ballroom Meeting Foyer

9:00am CDT

Breaking Charliecloud News - Reid Priedhorsky, Los Alamos National Laboratory Illinois River Creating Reproducible Performance Optimization Pipelines with Spack and Ramble - Doug Jacobsen, Google LLC Salon E-G Broader Kokkos Ecosystem Salon A-C

9:20am CDT

Democratizing Access to Optimized HPC Software Through Build Caches - Stephen Sachs & Heidi Poxon, AWS Salon E-G Deploying AI Chatbot Assistants with Charliecloud - Jemma Stachelek, Los Alamos National Laboratory Illinois River

9:40am CDT

Spack, Containers, CMake: The Good, The Bad & The Ugly in the CI & Distribution of the PDI Library - Julien Bigot, CEA Salon E-G

10:00am CDT

Using Charliecloud to Wrap HTCondor Worker Nodes - Oliver Freyermuth, University of Bonn (Germany) Illinois River Spack Deployment Story at LBNL/UC Berkeley - Abhiram Chintangal, Lawrence Berkeley National Lab Salon E-G

10:20am CDT

10:45am CDT

Lessons Learned from Developing and Shipping Advanced Scientific Compressors with Spack - Robert Underwood, Argonne National Laboratory Salon E-G Charliecloud + Gitlab-CI: Building and Using System-Representative Base Containers - Nick Sly, Lawerence Livermore National Laboratory Illinois River Tuning and Performance Salon A-C

11:05am CDT

Challenges Mixing Spack-Optimized Hardware Accelerator Libraries on Personal Scientific Computers - Pariksheet Nanda, University of Pittsburgh Salon E-G

11:25am CDT

An Opinionated-Default Approach to Enhance Spack Developer Experience - Kin fai Tse, The Hong Kong University of Science and Technology Salon E-G Maintaining the Debian Charliecloud Package - Peter Wienemann, Independent Illinois River

11:45am CDT

Developing and Managing Data Acquisition Software Using Spack - Eric Flumerfelt, Fermi National Accelerator Laboratory Salon E-G

12:05pm CDT

Lunch (Provided for Attendees) Atrium

1:35pm CDT

Key Charliecloud Innovation - Kubernetes - Angelica Loshak, Los Alamos National Laboratory Illinois River From Complexity to Efficiency: SPACK’s Impact on NSM Supercomputers - Samir Shaikh, Harshitha Ugave, Centre for Developement of Advanced Computing (C-DAC) Salon E-G Algorithms Salon A-C

1:55pm CDT

BEE: Orchestrating Workflows with Containerized Applications Leveraging Charliecloud - Krishna Chilleri, Los Alamos National Laboratory Illinois River Deploying a Large HPC Software Stack - Challenges and Experiences - Jose Gracia, HLRS, University Stuttgart Salon E-G

2:15pm CDT

Building and Maintaining OSS on Fugaku: RIKEN’s Experience with Spack - Yuchi Otsuka, RIKEN R-CCS Salon E-G Charliecloud Office Hours - Reid Priedhorsky, Los Alamos National Laboratory Illinois River

2:35pm CDT

Using Spack to Build and Maintain a Facility-Specific Programming Environment - Nicholas Sly, Lawrence Livermore National Laboratory Salon E-G

2:55pm CDT

Aurora PE: Rethinking Software Integration in the Exascale Era - Sean Koyama, Argonne National Laboratory Salon E-G

3:15pm CDT

3:40pm CDT

Driving Continuous Integration and Developer Workflows with Spack - Richard Berger, Los Alamos National Laboratory Salon E-G Panel Discussion to be Announced Salon A-C

4:00pm CDT

Implementing a Security Conscious Build Configuration Relay with a Shared Build Cache - Chris White, Lawrence Livermore National Laboratory Salon E-G

4:20pm CDT

Spack-Based WEAVE Environment at LLNL - Lina Muryanto, Lawrence Livermore National Security, LLC Salon E-G

4:40pm CDT

DevOps for Monolithic Repositories Using Spack - Phil Sakievich, Sandia National Laboratories Salon E-G