Computing at LLNL
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At a Glance

Discovery science and technical innovation

Computing at LLNL advances scientific discovery through foundational and innovative research; mission-driven data science; complex modeling, simulation, and analysis on powerful supercomputers; and creative technologies and software solutions. Everything at Livermore is Team Science. Thus, Computing is at the heart of many of LLNL’s most compelling national security and scientific efforts:

  • Operating one of the world’s largest HPC data centers
  • Designing AI and machine learning algorithms for science-based pattern discovery
  • Driving advances in simulation, scalable visualization, and data management
  • Providing essential IT expertise across LLNL
  • New simulation technologies and algorithms, such as in design optimization and decision support
  • Computing beyond exascale: heterogeneous, neural, cloud/converged, and quantum
  • Running one of the world’s largest control systems at NIF

Focus Areas

Computational Math

Powering scientific codes with advanced algebraic methods, algorithms, solvers, and discretizations

Computational Science

Supporting the Lab’s mission-driven programs with scientific modeling and simulation

Cyber Security

Meeting the nation’s top priorities to enhance security in a highly interconnected world

Data Science

Advancing AI, data analytics, machine learning, predictive modeling, statistics, UQ, and more

Emerging Architectures

Innovating in new directions for next-generation hardware designs and platform integrations

HPC Systems & Software

Providing environments, tools, and expertise for vital national security research and development

Information Technology

Meeting the Lab’s computer technology needs every day with enterprise applications and services

Software Engineering

Applying best practices to maximize the efficiency of software development and deployment

News

looking between rows of a supercomputer’s racks, superimposed with various images of data analysis graphs and plots


Source: LLNL Computing

Enhancing the software ecosystem with LLMs

Over the next three years, CASC researchers and collaborators will integrate LLMs into HPC software to boost performance and sustainability.

AI/ML | Data Science | HPC Systems and Software | Natural Language Processing | Performance, Portability, and Productivity | Software Engineering

red and green computed tomography image of a cylinder with scale bar and gray background


Source: LLNL Computing

CASC Newsletter | Vol 15 | March 2025

Highlights include ML techniques for computed tomography, a scalable Gaussian process framework, safe and trustworthy AI, and autonomous multiscale simulations.

AI/ML | Computational Science | Data Compression | Data Science | Data-Driven Decisions | ML Theory | Natural Language Processing | Open-Source Software | Scientific ML | Space Science | UQ and Statistics

An artist’s conception of the exoplanet K2-33b, a 10-Myr-old, Jupiter-sized planet, transiting in front of its active host star.


Source: LLNL News

LLNL to examine exoplanet atmospheres with HPC

LLNL, Arizona State University and Michigan State University will dive deep into uncovering the compositions of 70 exoplanets through the Computing Grand Challenge Program, which allocates significant quantities of institutional computational resources to scientists to perform cutting-edge research.

Collaborations | Computational Science | Space Science

Highlights

Featured Employee
Screenshot of a gaming stream with Keith Downs on the bottom left

Keith Downs

IT manager Keith Downs has always been tinkering with computers, and much of his adult life has been shaped by his childhood interests.

Featured Project
Merlin's logo

Merlin

Merlin is an open-source workflow orchestration and coordination tool that makes it easy to build, run, and process large-scale workflows.

Featured Job
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Boost Your Career

Here in Computing, creative technology, advanced research, multidisciplinary collaboration, and big projects converge, creating one of the most stable, stimulating work environments anywhere.

Careers

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We offer a promising future of discovery science and technical innovation

From software developers and applied math researchers to hardware architects and networking experts, computing at LLNL requires a top-flight workforce with a broad skill set. Check out our internship pages or visit LLNL's careers site to see how you can be a part of the future.