Better Performance

Improving strategies for writing scientific software that is efficient, scalable, and portable—from laptops to emerging extreme-scale architectures—while preserving other code quality metrics such as correctness and usability.

Recommended

Understanding Performance Portability for CSE Applications

  Performance Portability

Recommended

What Is Big Data?

  Big Data

Recommended

What is Cloud Computing?

  Cloud Computing

Recommended

What is Performance at Leadership Computing Facilities?

  Performance at Leadership Computing Facilities

Recommended

What is Performance Portability for CSE Applications?

  Performance Portability

A Gentle Introduction to GPU Programming

  High-Performance Computing (HPC)

Advanced Training on Extreme-Scale Computing through ATPESC

  High-Performance Computing (HPC), Performance at Leadership Computing Facilities

An Introductory Resource for High-Performance Computing

  High-Performance Computing (HPC), Programming Languages

Applying the FAIR Principles to Computational Workflows

  Reproducibility, Design, Requirements, Big Data

Argonne Training Program on Extreme-Scale Computing (ATPESC 2019)

  Online Learning, High-Performance Computing (HPC), Performance at Leadership Computing Facilities

Argonne Training Program on Extreme-Scale Computing (ATPESC 2020)

  Online Learning, High-Performance Computing (HPC), Performance at Leadership Computing Facilities

Argonne Training Program on Extreme-Scale Computing (ATPESC 2021)

  Online Learning, High-Performance Computing (HPC), Performance at Leadership Computing Facilities

Argonne Training Program on Extreme-Scale Computing (ATPESC 2023)

  In-Person Learning, High-Performance Computing (HPC), Performance at Leadership Computing Facilities

Argonne Training Program on Extreme-Scale Computing (ATPESC 2024)

  In-Person Learning, High-Performance Computing (HPC), Performance at Leadership Computing Facilities

Argonne Training Program on Extreme-Scale Computing (ATPESC 2025)

  In-Person Learning, High-Performance Computing (HPC), Performance at Leadership Computing Facilities

Argonne Training Program on Extreme-Scale Computing (ATPESC 2026)

  In-Person Learning, High-Performance Computing (HPC), Performance at Leadership Computing Facilities

Balancing Productivity, Portability and Performance in CFD

  Performance Portability, Programming Languages

Celebrating Apollo's 50th Anniversary: The Oldest Code on GitHub

  High-Performance Computing (HPC), Performance Portability

Celebrating Apollo's 50th Anniversary: Users' Stories from Space

  High-Performance Computing (HPC), Performance Portability

Celebrating Apollo's 50th Anniversary: When 100 FLOPS/Watt Was a Giant Leap

  High-Performance Computing (HPC), Performance Portability

Community Workshop on Practical Reproducibility in HPC

  High-Performance Computing (HPC), Reproducibility, Conferences and Workshops

Containers for Deploying Workflow Systems and Application Codes

  High-Performance Computing (HPC), Release and Deployment

E4S: Extreme-Scale Scientific Software Stack

  Testing, Documentation, Configuration and Builds, Release and Deployment, Projects and Organizations, Cloud Computing

Estimating Operational Intensity

  High-Performance Computing (HPC)

Exploring Containers for Research Software

  Release and Deployment, Cloud Computing

I/O Sleuthing: Digging into Storage Performance

  High-Performance Computing (HPC), Performance at Leadership Computing Facilities, Online Learning

Improving Application Performance by Optimizing I/O

  performance, High-Performance Computing (HPC)

Introducing Container Mythbusters

  Release and Deployment, Performance Portability, Reproducibility, Cloud Computing

Julia's Value Proposition for Better Scientific Software

  Programming Languages, Performance Portability, High-Performance Computing (HPC), Testing, Software Interoperability, Configuration and Builds

Lawrence Livermore National Lab (LLNL) High Performance Computing (HPC) Tutorials

  Online Learning, Development Tools, High-Performance Computing (HPC), Performance Portability

Lawrence Livermore National Lab (LLNL) High Performance Computing (HPC) Tutorials (2025)

  Online Learning, Development Tools, High-Performance Computing (HPC), Performance Portability

Lawrence Livermore National Lab (LLNL) High Performance Computing (HPC) Tutorials (2026)

  Online Learning, Development Tools, High-Performance Computing (HPC), Performance Portability

Leadership Scientific Software (LSSw) Portal

  Projects and Organizations, High-Performance Computing (HPC)

Leadership Scientific Software Town Hall Meetings (Series)

  Projects and Organizations, High-Performance Computing (HPC)

Making Debugging MPI Applications a Little Easier

  Debugging, High-Performance Computing (HPC)

MPI Performance Guidelines

  High-Performance Computing (HPC), Performance at Leadership Computing Facilities

Multiphysics Simulations: Challenges and Opportunities

  Software Interoperability, High-Performance Computing (HPC)

Navigating the Transition of (Climate) Science to the Cloud

  Big Data, Cloud Computing, Online Learning

Performance Portability and the Exascale Computing Project

  Design, Performance at Leadership Computing Facilities, Performance Portability

Portability across DOE Office of Science HPC Facilities

  High-Performance Computing (HPC), Performance at Leadership Computing Facilities, Performance Portability

Porting Codes to New Architectures

  High-Performance Computing (HPC), Performance at Leadership Computing Facilities, Performance Portability, Refactoring

Preparing the Next Generation of Supercomputer Users

  High-Performance Computing (HPC), Performance at Leadership Computing Facilities

Reproducibility in the Age of Approximate Computing

  Reproducibility, Requirements, Design, High-Performance Computing (HPC)

Rethinking Software Variants

  Design, Performance Portability, High-Performance Computing (HPC), Testing, Software Engineering

Sixth International Workshop on Software Correctness for HPC Applications (Correctness 2023)

  High-Performance Computing (HPC), Conferences and Workshops, Reproducibility

Smart Libraries: 30+ Practices, 20+ Years...Still Relevant

  Documentation, Configuration and Builds, Revision Control, Release and Deployment, Debugging, High-Performance Computing (HPC)

Strategies to Enable Performance Portability

  High-Performance Computing (HPC), Performance Portability, Programming Languages

The Apollo Guidance Computer in Depth

  Design, Performance Portability

The Turing Way: Reproducible and Ethical Science

  Reproducibility, Strategies for More Effective Teams, Documentation, Revision Control, Big Data

Training Materials for Parallel Computing at LLNL

  Online Learning, High-Performance Computing (HPC)

Tutorial on Optimizing I/O in HPC Applications

  Online Learning, High-Performance Computing (HPC), Performance at Leadership Computing Facilities

Understanding Compatibility of Performance Portability Tools

  Performance Portability

Webinar: Acquisition and Analysis of Times Series of Satellite Data in the Cloud – Lessons from the Field

  Online Learning, Cloud Computing

Webinar: Containers in HPC

  Online Learning, Cloud Computing

Webinar: Development of VTK-m During ECP

  Software Engineering, Software Process Improvement, Performance Portability, Software Sustainability, Online Learning

Webinar: Evaluating Performance Portability of HPC Applications and Benchmarks Across Diverse HPC Architectures

  Online Learning, Performance at Leadership Computing Facilities, Performance Portability

Webinar: Facilitating Electronic Structure Calculations on GPU-based Exascale Platforms

  Software Engineering, High-Performance Computing (HPC), Performance at Leadership Computing Facilities, Online Learning

Webinar: High-Performance Computing and Software Sustainability: Toward Green Software Development (DATE CHANGE)

  High-Performance Computing (HPC), Online Learning

Webinar: Jupyter and HPC: Current State and Future Roadmap

  Online Learning, Big Data

Webinar: Lessons Learned Developing Performance Portable QMCPACK

  Software Process Improvement, Software Engineering, High-Performance Computing (HPC), Performance at Leadership Computing Facilities, Online Learning

Webinar: Modernizing C++ Interfaces with Concepts, Constraints and std::mdspan

  Software Engineering, High-Performance Computing (HPC), Online Learning

Webinar: Our Road to Exascale: Particle Accelerator & Laser-Plasma Modeling

  Software Engineering, High-Performance Computing (HPC), Performance at Leadership Computing Facilities, Performance Portability, Strategies for More Effective Teams, “online learning”

Webinar: Parallel I/O with HDF5: Overview, Tuning, and New Features

  Online Learning, Big Data

Webinar: Please, No More Loops (Than Necessary): New Patterns in Fortran 2023

  Software Engineering, High-Performance Computing (HPC), Online Learning

Webinar: Simplifying Scientific Python Package Installation and Usage

  Online Learning, Release and Deployment, Development Tools, High-Performance Computing (HPC), “online learning”

Webinar: Taking HACC into the Exascale Era: New Code Capabilities and Challenges

  Performance Portability, Software Engineering, High-Performance Computing (HPC), Performance at Leadership Computing Facilities, Online Learning

What Every Computer Scientist Should Know About Floating-Point Arithmetic

  Programming Languages, High-Performance Computing (HPC), Reproducibility, Refactoring

Workshop on Correctness and Reproducibility for Climate and Weather Software 2023

  High-Performance Computing (HPC), Conferences and Workshops, Reproducibility