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

screen shot of video showing Todd talking to three people and showing a slide of a graph


Source: YouTube

Video: Build all the things with Spack

LLNL computer scientist and Spack PI Todd Gamblin explains how the package manager works in this video from CppCon (C++ Conference). The video runs 6:53.

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

Corona supercomputing cluster


Source: LLNL News

AI gets a boost via LLNL, SambaNova collaboration

LLNL has installed a new AI accelerator into the Corona supercomputer, allowing researchers to run simulations while offloading AI calculations from those simulations to the AI system.

HPC Systems and Software | AI/ML | Collaborations | CogSim/AI/ML Hardware | Emerging Architectures | Data Science

exascale day with date of October 18


Source: Exascale Computing Project

Celebrate exascale computing on October 18

LLNL will celebrate the second annual Exascale Day on October 18 with the DOE's Exascale Computing Project, Hewlett Packard Enterprise, Argonne, and Oak Ridge.

Events | HPC Architectures | HPC Systems and Software

side-by-side comparison of Cerebras wafer next to a GPU


Source: HPCwire

LLNL, ANL and GSK provide early glimpse into Cerebras AI system performance

Livermore Computing's CTO Bronis de Supinski discusses the Lab's early work with, and vision for, the Cerebras-Lassen hardware integration.

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

Corona supercomputer


Source: LLNL News

Corona supercomputer gets funding for COVID-19 work

Funding by the CARES Act enabled LLNL and industry partners to more than double the speed of the Corona supercomputing cluster to in excess of 11 petaFLOPS of peak performance.

Biology/Biomedicine | Computational Science | HPC Architectures | HPC Systems and Software

LLNL scientists use novel methods of in silico microscopy to reveal defects in the crystal lattice (green and red line objects and gray surface objects at the top) while removing all the atoms (yellow balls at the bottom) for clarity


Source: LLNL News

LLNL team solves 100-year-old metallurgy puzzle

To solve a 100-year puzzle in metallurgy about why single crystals show staged hardening while others don’t, LLNL scientists performed atomistic simulations at the limits of supercomputing.

Computational Science

PSAAP logo of the acronym, a scroll, and electron fields


Source: LLNL News

LLNL to provide supercomputing resources to universities selected by NNSA ASC program

LLNL will provide significant computing resources to students and faculty from 9 universities that were newly selected for participation in the Predictive Science Academic Alliance Program (PSAAP).

HPC Systems and Software | Outreach | Students

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

3D bioprinting and computer modeling used to examine cancer spread in blood vessels

LLNL and Duke University combine 3D bioprinting and computational flow models to analyze 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 | Middleware | 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

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

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

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

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

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

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

Screenshot of Ian being interviewed


Source: Next Platform TV

AI acceleration: a Next Platform TV interview

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