LLNL Computing’s ground-breaking research and development activities, innovative technologies, and world-class staff are often featured in various media outlets.

Source: LLNL Computing
Road to El Capitan 2: All the moving parts
Siting a supercomputer requires close coordination of hardware, software, applications, and Livermore Computing facilities.
Co-Design Emerging Architectures Exascale HPC Architectures HPC Systems and Software Hybrid/Heterogeneous Performance, Portability, and Productivity Resource and Workflow Management

Source: LLNL Computing
Road to El Capitan 3: The right operating system
The Tri-Lab Operating System Stack (TOSS) ensures other national labs’ supercomputing needs are met.
Co-Design Collaborations Emerging Architectures Exascale HPC Architectures HPC Systems and Software Hybrid/Heterogeneous

Source: LLNL Computing
Road to El Capitan 5: A framework for complex workflows
Flux, next-generation resource and job management software, steps up to support emerging use cases.
Emerging Architectures Exascale HPC Architectures HPC Systems and Software Hybrid/Heterogeneous Open-Source Software Resource and Workflow Management

Source: LLNL Computing
Road to El Capitan 1: It takes a village
Livermore Computing is making significant progress toward siting the NNSA’s first exascale supercomputer.
Co-Design Collaborations Emerging Architectures Exascale HPC Architectures HPC Systems and Software Hybrid/Heterogeneous

Source: LLNL Computing
Road to El Capitan 4: Storage in the exascale era
Innovative hardware provides near-node local storage alongside large-capacity storage.
Co-Design Collaborations Emerging Architectures Exascale HPC Architectures HPC Systems and Software Hybrid/Heterogeneous Open-Source Software Storage, File Systems, and I/O

Source: Science & Technology Review
LivIT meets the demand
Led by the guiding principles of simplicity, agility, and capability, Livermore Information Technology (LivIT) overcame technical challenges of the COVID-19 pandemic.
Access Management Business Applications and Support Cloud Services Collaboration and Productivity Tools Computer and Mobile Device Support Cyber Security Information Technology Network Engineering

Source: Science & Technology Review
Expediting research with Spack
A Laboratory-developed software package management tool, enhanced by contributions from more than 1,000 users, supports the high performance computing community.
Exascale HPC Systems and Software Open-Source Software Software Build and Installation

Source: LLNL Computing
Summer hackathon addresses Lab's many acronyms, plus other projects (SHALMA-POP)
This season’s hackathon featured Lab improvement projects, work tasks, and personal enrichment.

Source: LLNL News
Team reaches milestone in power grid optimization on world’s first exascale supercomputer
As part of the Exascale Computing Project’s ExaSGD project, a team including LLNL researchers ran HiOp, an open source optimization solver, on 9,000 nodes of Oak Ridge National Laboratory’s Frontier exascale supercomputer.
Computational Science Critical Infrastructure Cyber Security Exascale Open-Source Software

Source: LLNL News
Data Science Challenge tackles ML-assisted heart modeling
The event brought together 35 University of California students—ranging from undergraduates to graduate-level students from a diversity of majors—to work in groups to solve four key tasks, using actual electrocardiogram data to predict heart health.
AI/ML Biology/Biomedicine Computational Science Data Science Students

Source: LLNL Computing
Explainable artificial intelligence can enhance scientific workflows
Using explainable artificial intelligence techniques can help increase the reach of machine learning applications in materials science, making the process of designing new materials much more efficient.
AI/ML Computational Science Data Science Materials Science ML Theory Scientific ML Scientific Visualization

Source: LLNL Computing
VisIt project team adds color usability improvements
The Lab’s workhorse visualization tool provides expanded color map features, including for visually impaired users.
Data Science Open-Source Software Scientific Visualization Software Engineering

Source: LLNL Computing
CASC Newsletter | Vol 13 | July 2023
This issue highlights some of CASC’s contributions to making controlled laboratory fusion possible at the National Ignition Facility.
Collaborations Computational Math Data Science Lasers and Optics Scientific ML Scientific Visualization Transport

Source: software.llnl.gov
AWS tutorials are returning in August
Learn how to use LLNL software in the cloud. Throughout August, join our tutorials on how to install and use several projects on AWS EC2 instances. No previous experience necessary.
Education Events HPC Systems and Software Open-Source Software Outreach Scientific Cloud Computing Software Engineering Software Libraries

Source: LLNL Computing
Developer Day returns, in person and squeakier than ever
2023’s Developer Day was a two-day event for the first time, balancing an all-virtual technical program with a fully in-person networking day.
Careers Events Open-Source Software Software Applications Software Engineering

Source: Oak Ridge National Laboratory
UnifyFS team wins IPDPS award for open-source software
A research team from Oak Ridge and Lawrence Livermore national labs won the first IPDPS Best Open-Source Contribution Award for the paper “UnifyFS: A User-level Shared File System for Unified Access to Distributed Local Storage.”
Awards Collaborations HPC Systems and Software Open-Source Software Storage, File Systems, and I/O

Source: LLNL Computing
Improving models of clouds and atmospheric turbulence
With simple mathematical modifications to a common model of clouds and turbulence, LLNL scientists and their collaborators helped minimize nonphysical results.
Collaborations Computational Math Computational Science Earth Systems

Source: LLNL News
HPC, AI, and CogSim helped LLNL conquer fusion ignition
The “crystal ball” that provided increased pre-shot confidence in LLNL's fusion ignition breakthrough involved a combination of detailed HPC design and a suite of methods combining physics-based simulation with machine learning—called cognitive simulation, or CogSim.

Source: LLNL News
Visionary report unveils ambitious roadmap to harness the power of AI in scientific discovery
The report lays out a comprehensive vision for the DOE Office of Science and NNSA to expand their work in scientific use of AI by building on existing strengths in world-leading high performance computing systems and data infrastructure.
AI/ML CogSim/AI/ML Hardware Data Science Emerging Architectures Scientific ML

Source: The Next Platform
Talking novel architectures and El Capitan with Lawrence Livermore
LLNL CTO Bronis de Supinski talks about how the Lab deploys novel architecture AI machines and provides an update on El Capitan.
CogSim/AI/ML Hardware Emerging Architectures Exascale HPC Architectures HPC Systems and Software Hybrid/Heterogeneous

Source: LLNL Computing
Investigation of disaggregated memory systems wins poster award
Splitting memory resources in high performance computing between local nodes and a larger shared remote pool can help better support diverse applications.
Awards Data Movement and Memory HPC Systems and Software Hybrid/Heterogeneous

Source: LLNL News
LLNL’s Diachin takes helm of DOE’s Exascale Computing Project
Lori Diachin will take over as director of the DOE’s Exascale Computing Project on June 1, guiding the successful, multi-institutional high performance computing effort through its final stages.

Source: Exascale Computing Project
Podcast: Siting the El Capitan exascale supercomputer
Livermore CTO Bronis de Supinski joins the Let's Talk Exascale podcast to discuss the details of LLNL's upcoming exascale supercomputer.
Emerging Architectures Exascale HPC Architectures HPC Systems and Software Multimedia

Source: YouTube
Video: Data compression for modern supercomputing applications
Unique among data compressors, zfp is designed to be a compact number format for storing data arrays in-memory in compressed form while still supporting high-speed random access.
Data Compression Data Science Multimedia Open-Source Software

Source: YouTube
Video: Vendor-agnostic power management
Variorum provides robust, portable interfaces that allow us to measure and optimize computation at the physical level: temperature, cycles, energy, and power. With that foundation, we can get the best possible use of our world-class computing resources.
HPC Systems and Software Multimedia Open-Source Software Performance, Portability, and Productivity Power Management

Source: LLNL News
LLNL and SambaNova Systems announce additional AI hardware to support Lab’s cognitive simulation efforts
The addition of the spatial data flow accelerator into LLNL’s Livermore Computing Center is part of an effort to upgrade the Lab’s cognitive simulation (CogSim) program.
Co-Design CogSim/AI/ML Hardware Data Science Emerging Architectures HPC Systems and Software Scientific ML

Source: LLNL Computing
Best paper winner finds the sources of calculation inconsistencies
Updating a compiler can affect how code runs, leading to inconsistencies in outputs and creating problems for scientists. A new tool automatically finds the sources of these inconsistencies.
Awards Compiler Technology HPC Systems and Software Open-Source Software

Source: Elastic
National lab uses Elastic to optimize performance of projected world's fastest supercomputer
The Lab was already using Elastic components to gather data from its HPC clusters, then investigated whether Elasticsearch and Kibana could be applied to all scanning and logging activities across the board.
Emerging Architectures HPC Architectures HPC Systems and Software Hybrid/Heterogeneous Information Technology Software Engineering

Source: LLNL News
Girls Who Code ‘Altamont Connection’ brings students from Livermore and Tracy to the Lab
High school students from Livermore and Tracy visited LLNL on May 5 for a first-of-its kind event bringing the two cities’ Girls Who Code (GWC) programs and others together on-site.

Source: Data Science Institute
Celebrating the DSI’s first five years
Since 2018, the Lab has seen tremendous growth in its data science community and has invested heavily in related research. Five years later, the Data Science Institute has found its stride.

Source: LLNL Computing
ISC23 event calendar
LLNL participates in the ISC High Performance Conference (ISC23) on May 21–25.
Co-Design Compiler Technology Data Movement and Memory Emerging Architectures Events Exascale HPC Systems and Software Hybrid/Heterogeneous Power Management Programming Languages and Models Software Build and Installation

Source: Better Scientific Software
Surveys to understand developer health and happiness
Computer scientist Vanessa Sochat talks to BSSw about a recent effort to survey software developer needs at LLNL.
Computational Science Open-Source Software Software Engineering

Source: LLNL Computing
Patent applies machine learning to industrial control systems
A novel ML method discovers and predicts key data about networked devices.
Critical Infrastructure Cyber Data Analytics Cyber Security Data Science Deep Learning Natural Language Processing Network Engineering

Source: Information Week
How do supercomputers fit with strategies for sustainability?
Supercomputers broke the exascale barrier, marking a new era in processing power, but the energy consumption of such machines cannot run rampant.
Exascale HPC Architectures HPC Systems and Software Hybrid/Heterogeneous Power Management

Source: GitHub
Open source is fueling the future of nuclear physics
Open-source software has played a key role in paving the way for LLNL's ignition breakthrough, and will continue to help push the field forward.
Computational Math Computational Science Data Science Discrete Mathematics Lasers and Optics Open-Source Software Scientific ML Transport

Source: LLNL News
Computing codes, simulations helped make ignition possible
For the physicists, computer scientists, and code developers who have worked on fusion for decades, computer simulations have been inexorably tied to the National Ignition Facility’s quest for ignition.

Source: LLNL Computing
A look back: women in early computing at LLNL
LLNL’s archives recount the contributions of women who developed code during the Lab's early decades.
Careers Community HPC Systems and Software Programming Languages and Models

Source: LLNL News
Chandrika Kamath honored as 2023 SIAM fellow
The prestigious fellow designation is a lifetime honorific title and honors SIAM members who have made outstanding contributions to fields served by the organization.
Awards Careers Computational Math Computational Science Data Management Data Science

Source: LLNL News
Scientists develop model for more efficient simulations of protein interactions linked to cancer
The new model addresses a problem in simulating RAS behavior, where conventional methods come up short of reaching the time- and length-scales needed to observe biological processes of RAS-related cancers.
AI/ML Biology/Biomedicine Computational Science Data Science Multimedia

Source: LLNL Computing
Patent for reduced order modeling method boosts lattice design optimization
A new component-wise reduced order modeling method enables high-fidelity lattice design optimization.
Collaborations Computational Math Computational Science Data Science Materials Science Mathematical Optimization
Source: YouTube
Video: Meso and macroscale modeling 1 (IPAM at UCLA)
UCLA's Institute for Pure & Applied Mathematics hosted LLNL's Tzanio Kolev for a talk about high-order finite element methods.
Computational Math Discrete Mathematics Events Multimedia Open-Source Software Outreach

Source: LLNL News
First-ever hybrid Women in Data Science Livermore event celebrates achievements, supports women in the field
Women data scientists, Lab employees, and other attendees interested in the field gathered at the Livermore Valley Open Campus for the annual Livermore Women in Data Science (WiDS) regional event held in conjunction with the global WiDS conference.
Source: YouTube
Video: Future exascale architectures (IPAM at UCLA)
UCLA's Institute for Pure & Applied Mathematics hosted LLNL's Erik Draeger for a talk about the challenges and possibilities of exascale computing.
Events Exascale HPC Architectures HPC Systems and Software Hybrid/Heterogeneous Multimedia Outreach

Source: Elastic
Elastic announces 2022 Elastic Excellence Awards winners
LLNL is recognized as a public sector organization leading the way in innovative, sustainable, and critical use cases.

Source: LLNL News
HPCwire names LLNL’s Terri Quinn among 2023 'People to Watch'
“I am delighted to be recognized by HPCwire,” Quinn said. “I feel the recognition has as much to do with the stature of Livermore Computing as the opportunity I’ve had to contribute. "

Source: LLNL Computing
A look back: Robert Hughes and the development of FORTRAN
LLNL’s archives provide a glimpse into the career and contributions of a computing pioneer.
Careers Compiler Technology Computational Math Community HPC Systems and Software Programming Languages and Models
Source: Elastic
Webinar: You must unlearn what you have learned
LLNL security operations team lead Ian Lee recently gave a webinar describing how the Lab uses Elasticsearch for HPC. The 19:27 video is available on demand.
Events Information Technology Multimedia Outreach Software Engineering

Source: NVIDIA Blog
Fusion reaction: how AI, HPC are energizing science
A principal investigator at LLNL shares how machine learning on the world’s fastest systems catalyzed the lab’s breakthrough.
AI/ML Computational Science Data Science Lasers and Optics Scientific ML

Source: Supercomputing
Meet the unflinchingly diverse Tony Baylis
Tony Baylis, LLNL Office of Strategic Diversity and Inclusion Programs director and SC23 inclusivity co-chair, has devoted more than three decades to building partnerships and collaborations that exemplify the tenets of DEI.

Source: LLNL News
Five Lab teams recognized with Secretary’s Honor Achievement Awards
This year, the DOE honored 44 teams including LLNL's Exascale Computing Facility Modernization Project team for significant power and cooling upgrades to support upcoming exascale supercomputers.

Source: LLNL News
Science on Saturday lecture series moves to Las Positas College
LLNL's popular lecture series, “Science on Saturday,” runs February 4–25. The February 18 lecture is titled "Supersizing Computing: 70 Years of HPC."

Source: Data Science Institute
Register for WiDS Livermore on March 8
Register by February 27 for this free, hybrid Women in Data Science event. Everyone is welcome.

Source: LLNL News
LLNL’s Doerfert named Better Scientific Software fellow
Computer scientist Johannes Doerfert was recognized as a 2023 BSSw fellow. He plans to use the funding to create videos about best practices for interacting with compilers.
Awards Careers Compiler Technology HPC Systems and Software Software Engineering

Source: LLNL News
Lawrence Livermore’s Discovery Center to reopen to visitors
Discovery Center reopens to visitors on Feb. 1, after nearly three years of closure due to COVID-19, featuring renovations and new exhibits.

Source: LLNL News
Skywing: open-source software aids collaborative autonomy applications
Collaborative autonomy software apps allow networked devices to detect, gather, identify and interpret data; defend against cyber-attacks; and continue to operate despite infiltration.
AI/ML Computational Science Critical Infrastructure Cyber Security Data Science Open-Source Software

Source: YouTube
Video: Hackathon puts machine learning in the driver’s seat
From our fall 2022 hackathon, watch as participants trained an autonomous race car with reinforcement learning algorithms.
AI/ML Cloud Services Data Science Deep Learning Hackathons Information Technology Multimedia Scientific Cloud Computing

Source: LLNL News
New HPC4EI project to create 'digital twin' models for aerospace manufacturing
A new collaboration will leverage advanced LLNL-developed software to create a “digital twin” of the near-net shape mill-products system for producing aerospace parts.
AI/ML Collaborations Computational Science Data Science Materials Science

Source: LLNL News
Bronis de Supinski named 2022 ACM fellow
The ACM recognized him for his contributions to the design of large-scale systems and their programming systems and software.

Source: Science & Technology Review
High Performance Storage System: taking the long view
A multidecade, multi-laboratory collaboration evolves scalable long-term data storage and retrieval solutions to survive the march of time.
Collaborations HPC Systems and Software Storage, File Systems, and I/O

Source: Science & Technology Review
Cognitive simulation supercharges scientific research
Adding machine learning and other artificial intelligence methods to the feedback cycle of experimentation and computer modeling can accelerate scientific discovery.

Source: LLNL Computing
Best paper winner improves scientific workflow performance
Combining specialized software tools with heterogeneous HPC hardware requires an intelligent workflow performance optimization strategy.
Biology/Biomedicine Collaborations Computational Science HPC Architectures HPC Systems and Software Hybrid/Heterogeneous Open-Source Software Performance, Portability, and Productivity Resource and Workflow Management Scientific Cloud Computing

Source: LLNL Computing
CASC Newsletter | Vol 12 | November 2022
Highlights include MFEM community workshops, compiler co-design, HPC standards committees, and AI/ML for national security.
AI/ML Biology/Biomedicine Co-Design Collaborations Compiler Technology Computational Math Computational Science Computer Vision Data Science Deep Learning Discrete Mathematics Exascale HPC Systems and Software Natural Language Processing Open-Source Software Performance, Portability, and Productivity Programming Languages and Models

Source: LLNL Computing
MFEM workshop showcases application variety and broad impact
The second annual MFEM workshop brought together the project’s global user and developer community for technical talks, Q&A, and more.
Computational Math Computational Science Discrete Mathematics Events Open-Source Software Outreach PDE Methods Software Libraries

Source: LLNL Computing
SC22 event calendar
LLNL is participating in the 34th annual Supercomputing Conference (SC22), which will be held both virtually and in Dallas on November 13–18, 2022.
Data Compression Data Movement and Memory Data Science Debugging and Correctness Emerging Architectures Events Exascale HPC Architectures HPC Systems and Software Hybrid/Heterogeneous Outreach Performance, Portability, and Productivity Programming Languages and Models Quantum Computing Resource and Workflow Management Software Build and Installation

Source: LLNL Computing
Hackathon puts machine learning in the driver’s seat
In a time-trial competition, participants trained an autonomous race car with reinforcement learning algorithms.
AI/ML Cloud Services Data Science Deep Learning Hackathons Information Technology Scientific Cloud Computing

Source: LLNL Computing
CASC collaboration with Duke University wins best paper award
Presented at the 2022 International Conference on Computational Science, the team’s research introduces metrics that can improve the accuracy of blood flow simulations.
Awards Biology/Biomedicine Collaborations Computational Science Hydrodynamics

Source: LLNL Computing
Celebrating 10 years of hackathons
After 10 years and 33 hackathons, nothing can stop this beloved tradition.

Source: LLNL Computing
Tapia2022 event calendar
LLNL participates in the CMD-IT/ACM Richard Tapia Celebration of Diversity in Computing Conference (Tapia2022) on September 7–10.
Careers Data Science DevOps Community Events HPC Architectures HPC Systems and Software Hybrid/Heterogeneous Outreach Software Engineering

Source: LLNL Computing
Developer Day returns for the sixth year
Computing’s annual Developer Day held a hybrid event on July 21 with lightning talks, a town hall discussion, and guest speakers.
Careers Cyber Research Cyber Security Emerging Architectures Events Quantum Computing Software Engineering Software Quality Assurance

Source: LLNL Computing
Sandia leverages Livermore’s open-source software for new website
A Sandia National Laboratories team has adapted Livermore’s software.llnl.gov website to showcase their own open-source software. Both projects are developed and hosted on GitHub.
Collaborations Open-Source Software Software Engineering Web Technologies

Source: LLNL Computing
IPDPS 2022 event calendar
LLNL participates in the International Parallel and Distributed Processing Symposium (IPDPS) on May 30 through June 3.
AI/ML Computational Math Data Science Events HPC Architectures HPC Systems and Software Programming Languages and Models Resource and Workflow Management Storage, File Systems, and I/O
Source: LLNL Computing
CASC team wins best paper at visualization symposium
Winning the best paper award at PacificVis 2022, a research team has developed a resolution-precision-adaptive representation technique that reduces mesh sizes, thereby reducing the memory and storage footprints of large scientific datasets.
AI/ML Awards Computational Math Data Compression Data Movement and Memory Data Science Discrete Mathematics HPC Systems and Software Open-Source Software

Source: LLNL Computing
ISC22 event calendar
LLNL participates in the ISC High Performance Conference (ISC22) on May 29 through June 2.
Compiler Technology Debugging and Correctness Emerging Architectures Events HPC Systems and Software Performance, Portability, and Productivity Programming Languages and Models Resource and Workflow Management Software Build and Installation

Source: LLNL Computing
CASC Newsletter | Vol 11 | December 2021
Highlights include power grid challenges, performance analysis, complex boundary conditions, and a novel multiscale modeling approach.
AI/ML Biology/Biomedicine Computational Math Computational Science Critical Infrastructure Data Science HPC Systems and Software Mathematical Optimization Open-Source Software Performance, Portability, and Productivity Transport UQ and Statistics

Source: LLNL Computing
Kathleen Shoga leads the way for SC21 Student Cluster Competition
With a history of student participation and committee service, LLNL computer scientist Kathleen Shoga chaired this year’s competition.
Cluster Management Events HPC Systems and Software Outreach Students