Cornelis Announces Deployment of “Lynx” Supercomputer at Lawrence Livermore National Laboratory

952-node cluster powered by Cornelis CN5000 networking enters production for NNSA’s Advanced Simulation and Computing program.

Summary:

• Cornelis CN5000 enters production at Lawrence Livermore National Laboratory, powering the NNSA's "Lynx" cluster for U.S. national nuclear security modeling and simulation.
• The 952-node cluster — built with Dell PowerEdge servers, Intel® Xeon® processors, and Cornelis CN5000 Omni-Path® fabric — delivers lossless, low-latency and congestion-free 400G networking purpose-built for the most demanding HPC/AI workloads.
• Deployed in one of the world's most advanced computing facilities, the CN5000 400Gbps solution is ready for broad commercial, academic, and government adoption.

WAYNE, Pa.--(BUSINESS WIRE)--Cornelis, a provider of high-performance networking solutions, today announced the successful deployment of the “Lynx” supercomputing cluster at Lawrence Livermore National Laboratory (LLNL).

The 952-node Lynx cluster, featuring Dell PowerEdge servers, Intel® Xeon® processors, and the Cornelis CN5000 Omni-Path fabric, is part of the National Nuclear Security Administration’s (NNSA) Commodity Technology Systems (CTS-2) program. It will provide additional production capability for NNSA’s Advanced Simulation and Computing (ASC) program and NNSA’s broader national security missions.

“We are excited to see the Cornelis CN5000 400G network come to life at Lawrence Livermore National Laboratory,” said Matt Leininger, Senior Principal HPC Strategist at LLNL. “The collaboration between NNSA’s ASC program and Cornelis has been rooted in a shared commitment to advancing high-performance computing. Lynx reflects the results of that public-private R&D investment and will support the modeling, simulation and analysis capabilities that underpin the modern NNSA complex.”

Lynx is a key computing infrastructure investment for NNSA and is being integrated into LLNL’s high-performance computing environment, where it will support production modeling, simulation, and analysis for national security.

“Lynx represents an important milestone in NNSA’s work to evaluate and deploy next-generation high-performance computing technologies for mission use,” said Stephen Rinehart, Assistant Deputy Administrator for the NNSA’s Office of Advanced Simulation and Computing. “The system builds on NNSA’s Next-Generation High Performance Computing Network effort and strengthens the computing ecosystem supporting future ASC workloads.”

The Cornelis CN5000 fabric at the heart of Lynx utilizes the Omni-Path architecture, providing low-latency, lossless and congestion-free communication to maximize compute performance and efficiency for today’s HPC and AI workloads.

“The successful deployment of Lynx at LLNL marks an important milestone for CN5000 as a production-ready network for the most demanding and mission-critical computing environments,” said Brad Haczynski, Chief Commercial Officer of Cornelis. “With Lynx now in production in one of the world's most advanced computing facilities, we have demonstrated that our CN5000 400Gbps solution is ready for broad commercial, academic, and government adoption. We look forward to CN5000 delivering the performance and price-performance organizations need to accelerate their HPC and AI initiatives.”

About Lawrence Livermore National Laboratory

Founded in 1952, Lawrence Livermore National Laboratory (www.llnl.gov) provides solutions to our nation’s most important national security challenges through innovative science, engineering and technology. Lawrence Livermore National Laboratory is managed by Lawrence Livermore National Security, LLC, for the U.S. Department of Energy's National Nuclear Security Administration.

About the National Nuclear Security Administration

Established by Congress in 2000, NNSA is a semi-autonomous agency within the U.S. Department of Energy that protects our nation by designing and delivering a safe, secure, reliable, and effective U.S. nuclear stockpile; forging solutions that enable global security and stability through nonproliferation, counterproliferation, and emergency response; providing nuclear propulsion to power a global U.S. Navy; and leveraging transformative technologies to address emerging challenges.

About Cornelis

Cornelis delivers high-performance, scale-out and scale-up networking solutions that accelerate AI and HPC workloads. Cornelis technology enables lossless, congestion-free networking that reduces training time, improves inference, and maximizes compute utilization. From foundation model training to complex climate modeling and real-time analytics, Cornelis solutions power the most demanding workloads across commercial, academic, government, and cloud environments. With a focus on performance, scalability, and efficiency, Cornelis helps organizations achieve faster insights and greater return on infrastructure investments. Visit us at International Supercomputing (ISC’26) Booth E02 in Hamburg, Germany June 22-26, or learn more at www.cornelis.com.