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blue simulation in the shape of a square with cross section

Using the zfp open source software, researchers can vary the compression ratio to any desired setting, from 10:1 (shown on the left) to 250:1 (on the right), where compression errors become apparent.

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Ignacio Laguna in front of a diagram about heterogeneous computing

LLNL computer scientist Ignacio Laguna and team will examine one of the major challenges as supercomputers become increasingly heterogeneous — the numerical aspects of porting scientific applications to different HPC platforms. 

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ATOM consortium logo

Lawrence Livermore National Laboratory and The Data Mine learning community at Purdue University are partnering to speed up drug design using computational tools under the Accelerating Therapeutic Opportunities in Medicine (ATOM) project.

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Screenshot of video, one person speaking

While our world class supercomputers garner a lot of attention (we have more computers on the top 500 list as of June 2021 than any other institution!), our use of these amazing machines is enabled by the codes developed to model and simulate complex physical phenomena on massively parallel archi

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detonation simulation image

A paper in the Proceedings A of the Royal Society Publishing highlights findings by a Lawrence Livermore National Laboratory team on how nuclear weapon blasts close to the Earth’s surface create complications in their effects and apparent yields. The work is featured on the front cover of the pub

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Nisha Mulakken screenshot of talk

In this episode, guest Nisha Mulakken sits down with TDS to discuss COVID-19 detection and analysis.

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Flux logo

Flux’s fully hierarchical resource management and graph-based scheduling features improve the performance, portability, flexibility, and manageability of both traditional and complex scientific workflows on many types of computing systems—in the cloud, at remote locations, on a laptop, or on next

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Ruby supercomputer and ISC logo

Lawrence Livermore will participate in the ISC High Performance Conference (ISC21) on June 24 through July 2. The online event brings together the HPC community—from research centers, commercial companies, academia, national laboratories, government agencies, exhibitors, and more—to share the latest technology of interest to HPC developers and users.

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MOU

LLNL, IBM and Red Hat are combining forces to develop best practices for interfacing HPC schedulers and cloud orchestrators, an effort designed to prepare for emerging supercomputers that take advantage of cloud technologies.

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Brain computer chip abstract visual

The DOE’s Exascale Computing Project (ECP) is accelerating delivery of a capable exascale computing ecosystem to provide breakthrough modeling and simulation solutions to address critical challenges in scientific discovery, energy assurance, economic competitiveness, and national security.

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Bronis is an HPC Person to Watch

The high performance computing industry publication HPCwire named Bronis R. de Supinski, Lawrence Livermore National Laboratory’s chief technology officer for Livermore Computing, as one of its People to Watch for 2021.

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Screenshot of conference

COVID-19 HPC Consortium scientists and stakeholders met virtually on March 23 to mark the consortium’s one-year anniversary.

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Hot spots

Molecular dynamics simulations predict that more potential energy is localized in hotspots than their kinetic energy (or temperature) would suggest.

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El capitan supercomputer

Molecular dynamics simulations predict that more potential energy is localized in hotspots than their kinetic energy (or temperature) would suggest.

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El Capitan Future System

A near-node local storage innovation called Rabbit factored heavily into Lawrence Livermore National Laboratory’s decision to select Cray’s proposal for its CORAL-2 machine, the lab’s first exascale-class supercomputer, El Capitan. 

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Bronis R. de Supinski

IEEE, the world's largest technical professional organization, announced it has elevated Bronis de Supinski to the rank of fellow, recognizing LLNL's Livermore Computing chief technology officer (CTO) for his leadership in the design and use of large-scale computing systems.

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Screenshot of Robin in interview mode

To get a sense of the size and scope of the storage systems in use at Lawrence Livermore, we had a long conversation recently with Robin Goldstone, HPC strategist in the Advanced Technologies Office at Lawrence Livermore.

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Sierra image

Sierra was one of six Lawrence Livermore National Laboratory supercomputers to make the latest TOP500 List of the most-powerful supercomputers in the world. Sierra held on to the No. 3 spot, achieving 94.6 petaflops on the High Performance LINPACK (HPL) benchmark.

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Ruby Supercomputer

Lawrence Livermore National Laboratory’s newest supercomputer, Ruby, a 6 petaflop Intel Xeon Platinum-based cluster, will be used for unclassified programmatic work in support of the National Nuclear Security Administration’s stockpile stewardship mission, open science and the search for therapeu

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Code Together Podcast

Listen to what’s coming in OpenMP 5.1 and beyond, how the C++ ecosystem is evolving, why Python in HPC, and have fun as these two razz each other.

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Spack logo

Spack is now the deployment mechanism for the world’s top supercomputer with its Arm base, Fugaku, and has been and 1300 packages on the Summit machine were handled by Spack. It is expected to get further momentum with the future exascale systems as well.

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Ruby Supercomputer

Lawrence Livermore National Lab has been at the forefront of newer architectures over the last year in particular across multiple systems: Mammoth, expanded Corona, Lassen with Cerebras chip, and Ruby, a top 100-class all CPU (Intel Platinum) super.

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SC20

The scientific computing and networking leadership of 17 Department of Energy (DOE) national laboratories will be showcased at SC20, the International Conference for High-Performance Computing, Networking, Storage and Analysis, taking place Nov.

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Mammoth

Funded by the Coronavirus Aid, Relief and Economic Security Act, Lawrence Livermore's new 'big memory'  performance computing cluster, Mammoth, will be used to perform genomics analysis, nontraditional simulations and graph analytics required by scientists working on COVID-19, including the devel

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SJEYH conference screen shot with John Gyllenhaal in the foreground

The San Joaquin Expanding Your Horizon’s Conference went virtual for the first time in its 28-year history. Pictured, LC's John Gyllenhaal presents The Magic of STEM workshop.