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

two people on video chat alongside Comp Scholars and OSS logos


Source: LLNL Computing

Open-source software community welcomes virtual internships

This summer, the Computing Scholar Program welcomed 160 undergraduate and graduate students into virtual internships. The Lab’s open-source community was already primed for student participation.

Careers | Computational Math | Data Science | Discrete Mathematics | HPC Systems and Software | Open-Source Software | Programming Languages and Models | Scientific Visualization | Software Engineering | Students | Web Technologies

closeup of the inside of the Summit supercomputer


Source: ORNL

Summit on Summit, Sierra, and Perlmutter hits second anniversary

When it comes to solving complex technical issues for GPU-accelerated supercomputers, the national labs have found that tackling them is “better together.”

HPC Systems and Software | Hybrid/Heterogeneous

computer rendering of a human skeleton with vasculature exposed


Source: YouTube.com

Video: How are we fighting cancer with 3D bioprinting?

LLNL pairs 3D-printed human brain vasculature with computational flow simulations to understand tumor cell attachment to blood vessels, a step in secondary tumor formation during cancer metastasis.

Biology/Biomedicine | Computational Science | Multimedia

group of women attending the GHC conference


Source: LLNL Computing

GHC20: Grace Hopper Celebration

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

Diversity | Events | Outreach

FFS header with spack logo and Episode #30


Source: Floss for Science Podcast

Podcast: Spack package manager on Floss for Science

An interview with Todd Gamblin from the LLNL about the Spack project, discussing his current research project along with his involvement in Spack.

HPC Systems and Software | Multimedia | Open-Source Software | Software Build and Installation

visualization of blood flow in a blood vessel


Source: LLNL News

Research team pairs 3D bioprinting and computer modeling to examine cancer spread in blood vessels

LLNL and Duke University combined 3D bioprinting and computational flow models to analyze the physics behind circulating tumor cell behavior and the cells’ attachment to the vascular endothelium.

Biology/Biomedicine | Computational Science

colorful abstract image of lines radiating outward from a central point


Source: LLNL Computing

Our 25th hackathon was a virtual success

Computing’s summer hackathon was held virtually on August 6–7 and featured presentations from teams who tested software technologies, expanded project features, or explored new ways of analyzing data.

Access Management | AI/ML | Data Science | Deep Learning | Hackathons | HPC Systems and Software | Information Technology | Programming Languages and Models | Software Engineering | Students

artistic graphic of ones and zeros forming a tunnel


Source: LLNL Computing

Developer Day goes virtual

Computing’s fourth annual Developer Day was held as a virtual event on July 30 with 8 speakers and 90 participants.

Bioinformatics | CI/CD | Data Science | DevOps | Events | HPC Systems and Software | Resource and Workflow Management | Software Applications | Software Engineering | Web Technologies

three people install Cerebras components in the HPC machine room


Source: LLNL News

LLNL pairs world’s largest computer chip from Cerebras with Lassen

LLNL and Cerebras Systems have installed the company’s AI computer into Lassen, making LLNL the first institution to integrate the cutting-edge AI platform with a supercomputer.

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

Let's Talk Exascale podcast logo


Source: Exascale Computing Project

Podcast: ECP leaders discuss highlights, challenges, and exascale impacts

Members of the leadership team of the DOE’s Exascale Computing Project cover the state of the project on the "Let's Talk Exascale" podcast. Episode 72 runs 1:26:54 and includes a transcript.

HPC Architectures | HPC Systems and Software | Multimedia

screen capture of Stephen on the video chat


Source: The Next Platform

Video: Flux Framework featured on Next Platform TV

LLNL computer scientist Stephen Herbein discusses the open-source Flux Framework HPC software on this video episode of Next Platform TV. His segment begins at 27:34.

HPC Systems and Software | Multimedia | Open-Source Software | Resource and Workflow Management

Simulated strength of shaking from a magnitude 7.0 Hayward Fault earthquake showing peak ground velocity (colorbar) and seismograms (blue) at selected locations (triangles)


Source: LLNL News

Lab team completes highest-ever resolution quake simulations using Sierra supercomputer

An LLNL team has published new simulations of a magnitude 7.0 earthquake on the Hayward Fault—the highest-ever resolution ground motion simulations from such an event on this scale.

Computational Science | Seismology

simulation of arterial blood flow using HARVEY


Source: LLNL News

Using models, 3D printing to study common heart defect

LLNL researchers and collaborators have combined machine learning, 3D printing, and HPC simulations to accurately model blood flow in the aorta.

Biology/Biomedicine | Computational Science

SCR team in front of Sierra with R&D 100 logo


Source: Science & Technology Review

Resiliency in computer applications

In this issue featuring LLNL's R&D 100 Award winners from 2019, the versatile Scalable Checkpoint/Restart framework offers more reliable simulation performance.

Awards | Fault Tolerance and Resilience | HPC Systems and Software | Open-Source Software

Spack team in B453 lobby with R&D 100 logo


Source: Science & Technology Review

Software installation simplified

In this issue featuring LLNL's R&D 100 Award winners from 2019, software deployment is faster and easier with the Spack package management tool.

Awards | HPC Systems and Software | Open-Source Software | Software Build and Installation

Screen shot of video showing the DSI logo over an aerial view of the Lab


Source: YouTube.com

Video: Advancing healthcare with data science

This video provides an overview of LLNL projects in which data scientists work with domain scientists to address major challenges in healthcare.

Biology/Biomedicine | Computational Science | Data Science | Multimedia

Screenshot of Ian being interviewed


Source: Next Platform TV

AI acceleration: a Next Platform TV interview with Ian Karlin and Brian Van Essen

Ian Karlin on AI hardware integration into HPC systems, workflows, followed by a talk about software integration of AI accelerators in HPC with Brian Van Essen.

AI/ML | Data Science | HPC Systems and Software

diagram of a new “Mix-n-Match” method for calibrating uncertainty of deep learning models


Source: LLNL News

LLNL papers accepted into prestigious conference

Two papers featuring LLNL scientists were accepted in the 2020 International Conference on Machine Learning (ICML), one of the world’s premier conferences of its kind.

AI/ML | Data Science | Deep Learning | Events | ML Theory

model of a molecule next to a screen shot of webex meeting participants in video chat


Source: LLNL News

Lockdown doesn’t hinder annual Data Science Challenge

In this year's Data Science Challenge with UC Merced, 21 students developed machine learning models capable of differentiating potentially explosive materials from other types of molecules.

Data Science | Students

screen shot of finite element method animation from the video


Source: YouTube.com

Video: MFEM - advanced simulation algorithms for HPC applications

This video describes MFEM (Modular Finite Element Methods), an open-source software library that provides advanced mathematical algorithms for use by scientific applications.

Computational Math | Discrete Mathematics | Multimedia | Open-Source Software

drawing of a reactor tube


Source: LLNL News

Manufacturing, Energy Initiative to fund 11 new projects

In the HPC4EI project, LLNL and OxEon Energy will reduce the number of reactor tubes used to convert natural gas to liquid fuel, to lower cost and increase performance of synthetic fuel production.

Computational Science | Hydrodynamics

drawing of the Exascale Computing Facility


Source: LLNL News

Lab breaks ground for exascale facility upgrades

Scheduled for completion in 2022, the project will expand the Livermore Computing Center's power and cooling capacity in preparation for exascale supercomputing hardware.

HPC Architectures | HPC Systems and Software

Sierra supercomputer and National Ignition Facility photos combined with abstract graphic representing experimental data and simulations


Source: LLNL News

Deep learning-based surrogate models outperform simulators and could hasten scientific discoveries

Surrogate models supported by neural networks could lead to new insights in complicated physics problems such as inertial confinement fusion.

Computational Science | Data Science | Deep Learning | Scientific ML

two people conduct RFI scanning in a supply cabinet


Source: LLNL Computing

Computing’s partnership with environmental programs at the Lab adds up to environmental stewardship

Computing employees play a critical role in supporting the Environmental Restoration Department; Environment, Safety, and Health; and Radioactive and Hazardous Waste Management.

Business Applications and Support | Information Technology

MFEM logo


Source: Exascale Computing Project

Podcast: The MFEM finite element library broadens GPU support

The Center for Efficient Exascale Discretizations recently released MFEM v4.1, which introduces features important for the nation’s first exascale supercomputers. LLNL's Tzanio Kolev explains.

Computational Math | Discrete Mathematics | HPC Systems and Software | Hybrid/Heterogeneous | Multimedia | Open-Source Software