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

orange and blue bully simulation with text overlay "zfp: Compressed Floating-Point and Integer Arrays"


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

Variorum team standing outside B453 with text overlay "enabling energy efficiency in HPC"


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

Brian and Bronis in front of the SambaNova hardware


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

Ignacio Laguna and colleagues standing with the ISC 2023 Hans Meuer Award certificate.


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

LLNL's supercomputing building


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

A group of young people work with pen and paper to solve a problem while adult helpers look on


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.

Education | Outreach

fireworks exploding over a city at night


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.

Collaborations | Data Science | Education | Outreach | Students

cartoon of a person at a computer with a dog nearby


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

two workers in reflective vests look at a power plant under a sunset


Source: LLNL Computing

Sierra supercomputer


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

cartoon of workers assembling a fusion reactor


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

cutaway of a 3D red ovoid shape with simulated movement inside


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.

Computational Science | Hydrodynamics | Transport

Unidentified employee (Ruth Kilby, possible) with IBM 704, November 1957


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

Chandrika's portrait next to the SIAM logo on a blue geometric background


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

three panels showing progressive granularity of protein simulation


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

blue and red lattice structure on the left where blue indicates the lattice component that needs to be removed; black lattice structure on the right showing the optimized red portion of the left image


Source: LLNL Computing

screen shot of Tzanio talking to the seminar group with his slides on a big screen


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

Nisha and Dona converse in front of a fireplace video


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.

Careers | Data Science | Community | Events | Outreach

screen shot of Erik talking to the seminar group with his slides on a big screen


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

award name and a cartoon shield on blue background


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.

Awards | Information Technology | Software Engineering

Terri's portrait next to People To Watch graphic


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. "

Awards | Careers | HPC Systems and Software

black-and-white photo of Robert Hughes at his desk in the 1970s


Source: LLNL Computing

screen shot of Ian presenting a slide showing a diagram of current HPC architecture


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

stylized image of a spherical explosion with hot center


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

Tony sitting in an auditorium of bright orange chairs


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.

Careers | Community | Events

DOE logo on green and blue background with "Achievement Awards" text overlay


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.

Awards | Exascale | HPC Systems and Software

collage of SOS logo, Lab 70th anniversary logo, & NIF hohlraum


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."

Events | HPC Systems and Software | Outreach | Students

WiDS Livermore logo of two women's silhouettes in profile


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.

Careers | Data Science | Community | Events | Outreach

Johannes portrait on a blue background


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

two people inside the NIF target chamber replica


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.

Outreach | Students

many individual cartoon users at computers connected by bright blue lines signifying a collaborative network


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

DeepRacer car positioned on the blue track with a dashed yellow center line and white lines marking the outside of the lane


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

intertwined red and blue cylindrical shapes with HPC4EI logo


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

portrait of Bronis with ACM logo


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.

Awards | Careers

Edna Vienop loads a tape on the IBM 704


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

stylized image of a person’s head in profile made up of dots and lines


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.

AI/ML | CogSim/AI/ML Hardware | Data Science | Scientific ML

Ruby supercomputer under purple lighting


Source: LLNL Computing

7x8 grid of people in video chat


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

a participant in the hackathon room examines the DeepRacer car


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

stock illustration of red blood cells inside a blood vessel


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

regular and winter hexagonal hackathon logos side by side


Source: LLNL Computing

Celebrating 10 years of hackathons

After 10 years and 33 hackathons, nothing can stop this beloved tradition.

Data Science | Hackathons | Software Engineering | Students

group of diverse Computing employees posing at the Lab's 2019 Tapia Conference recruiting booth


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

Dev Day logo showing three cartoon people wearing LLNL-branded clothing


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

Sandia’s thunderbird logo on a blue background with interconnected lines across a map of the western U.S.


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

Corona supercomputer overlaid with LLNL logo and IPDPS "2022 virtual" logo


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

square cutaway of rainbow-colored data reconstruction


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

plot showing different colored particle trajectories in the x-z plane in a magnetic mirror


Source: LLNL Computing

5x5 grid of participants in video chat, with Kathleen in the middle of the top row


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

SC21 logo in green and orange


Source: LLNL Computing

SC21 event calendar

LLNL is participating in the 33rd annual Supercomputing Conference (SC21), which will be held both virtually and in St. Louis on November 14–19, 2021.

Data Science | Deep Learning | Emerging Architectures | Events | HPC Systems and Software

9x9 grid of workshop participants in video chat


Source: LLNL Computing

MFEM team hosts first community workshop

The MFEM software library provides high-order mathematical algorithms for large-scale scientific simulations. An October workshop brought together MFEM’s global user and developer community for the first time.

Computational Math | Computational Science | Discrete Mathematics | Events | Exascale | Open-Source Software | Outreach | PDE Methods | Software Libraries

figure eight DO IT logo


Source: LLNL Computing

Just DO IT: new internship program introduces students to DevOps

Computing’s newest internship program focuses on DevOps methodologies. The inaugural class of 2021 built a persistent data services provisioning application that will soon assist real Livermore Computing users.

DevOps | Community | SDLC Methodologies | Software Applications | Software Engineering | Students

several people posed outside the 2019 conference venue on large GHC letters


Source: LLNL Computing

GHC21: Grace Hopper Celebration

Many LLNL women and allies attend Grace Hopper Celebration every year to learn, to network, and to be inspired.

Community | Events | Outreach

three people in video chat screens


Source: LLNL Computing

Summer hackathon tradition continues virtually

Each new season brings another hackathon, and Computing’s 2021 summer event took place on August 12–13.

Hackathons | HPC Systems and Software | Programming Languages and Models | Software Applications | Software Engineering | Students | Web Technologies

Kyle in video chat giving thumbs-up next to a slide showing the Dev Day morning agenda


Source: LLNL Computing

Dev Day makes the most of virtual format

Held virtually on July 15, our fifth annual Developer Day featured lightning talks, a technical deep dive, “quick takes” on remote-development resources, presentations about career paths, and a career development panel discussion.

Careers | Events | Open-Source Software | Software Applications | Software Engineering | Software Libraries | Web Technologies

screen shot of flier showing portraits of the panelists and moderator


Source: LLNL Computing

Career panel series kicks off with women in Computing leadership roles

More than 100 LLNL staff and students gathered virtually for the first session of a new career panel series inspired by the annual Women in Data Science conference and sponsored by the Data Science Institute.

Careers | Community | Outreach

supercomputer photo with an overlay of ISC logo and the slogan "shaping tomorrow"


Source: LLNL Computing

ISC21 event calendar

LLNL participates in the digital ISC High Performance Conference (ISC21) on June 24 through July 2.

Events | HPC Systems and Software | Performance, Portability, and Productivity | Software Build and Installation

drawing of a brain made up of network lines and a computer chip


Source: LLNL Computing

A winning strategy for deep neural networks

New research debuting at ICLR 2021 demonstrates a learning-by-compressing approach to deep learning that outperforms traditional methods without sacrificing accuracy.

AI/ML | Computational Math | Data Science | Deep Learning | ML Theory | Scientific ML

CASC and SIAMCSE logos side by side


Source: LLNL Computing

SIAM CSE21 event calendar

Our researchers will be well represented at the virtual SIAM Conference on Computational Science and Engineering (CSE21) on March 1–5. SIAM is the Society for Industrial and Applied Mathematics with an international community of more than 14,500 individual members.

Algorithms at Scale | Computational Math | Computational Science | Data Science | Deep Learning | Discrete Mathematics | Exascale | Fault Tolerance and Resilience | HPC Systems and Software | PDE Methods | Performance, Portability, and Productivity | Programming Languages and Models | UQ and Statistics

abstract graphic of a brain and network overlaid with the CASC logo


Source: LLNL Computing

CASC research in ML robustness debuts at AAAI conference

Three papers address feature importance estimation under distribution shifts, attribute-guided adversarial training, and uncertainty matching in graph neural networks.

AI/ML | Computational Math | Data Science | Deep Learning | ML Theory | Scientific ML | UQ and Statistics

simulation of air flow around a semi-truck


Source: LLNL Computing

CASC Newsletter | Vol 8 | August 2019

Highlights include perspectives on machine learning and artificial intelligence in science, data driven models, autonomous vehicle operations, and the OpenMP standard 5.0.

AI/ML | Computational Math | Computational Science | Data Science | Data-Driven Decisions | Debugging and Correctness | Deep Learning | HPC Systems and Software | Hydrodynamics | ML Theory | Programming Languages and Models | Scientific ML | Scientific Visualization

Todd Gamblin's image projected onto a screen as he presents awards


Source: LLNL Computing

CASC Newsletter | Vol 7 | December 2018

Highlights include debris and shrapnel modeling at NIF, scalable algorithms for complex engineering systems, magnetic fusion simulation, and data placement optimization on GPUs.

Computational Math | Computational Science | Data Movement and Memory | Discrete Mathematics | Exascale | HPC Systems and Software | Hybrid/Heterogeneous | Hydrodynamics | Lasers and Optics | Materials Science | Mathematical Optimization | PDE Methods | Solvers

Abstract graphic of scientific images with progression shown from bottom left to top right


Source: LLNL Computing

CASC Newsletter | Vol 6 | August 2018

Highlights include CASC director Jeff Hittinger's vision for the center as well as recent work with PruneJuice DataRaceBench, Caliper, and SUNDIALS.

Computational Math | Data Science | Debugging and Correctness | Exascale | HPC Architectures | HPC Systems and Software | ODE Methods | Open-Source Software | Programming Languages and Models | Resource and Workflow Management | Solvers

rayleigh taylor simulation done on Sierra


Source: LLNL Computing

screen shot of SQL schema


Source: LLNL Computing

hydrodynamics simulation


Source: LLNL Computing

spherical ZFP images showing progression of in-line floating point compression


Source: LLNL Computing

CASC Newsletter | Vol 2 | July 2017

Highlights include the directorate's annual external review, machine learning for ALE simulations, CFD modeling for low-carbon solutions, seismic modeling, and an in-line floating point compression tool.

AI/ML | Computational Math | Computational Science | Data Compression | Data Science | Discrete Mathematics | Exascale | Hydrodynamics | Open-Source Software | Seismology

Catalyst computer, human being figure and whiteboard sketch compilation


Source: LLNL Computing

CASC Newsletter | Vol 1 | April 2017

Highlights include the HYPRE library, recent data science efforts, the IDEALS project, and the latest on the Exascale Computing Project.

AI/ML | Algorithms at Scale | Biology/Biomedicine | Computational Math | Computational Science | Data Science | Data-Driven Decisions | Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Open-Source Software | Solvers