HLRS Annual Report

Under the motto „Building the Future, Together,“ our 2025/26 annual report highlights how collaboration improves HLRS’s ability to support its system users and society. We document factors that will define the coming years of the center’s growth, including construction of its new datacenter, HLRS III, its upcoming Herder supercomputer, the AI Factory HammerHAI, and a newly established Future Computing Group. An interview with HPC industry analyst Steve Conway explores exciting developments and current challenges in European supercomputing. Other articles explain applications of HLRS’s HPC resources for research related to space flight, turbulence simulation, and human health, and for the engineering of technologies that could reduce global dependency on fossil fuels.

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Director’s Welcome

News Highlights

• Cornerstone Laid for New Building at HLRS
• AI Factory HammerHAI Off to a Strong Start
• Anticipation Builds for HLRS’s Next Supercomputer, Herder
• Future Computing Group Will ­ Evaluate New Technologies for HPC
• Everllence Uses HLRS Super­ computers to Accelerate ­ Industrial-Scale Decarbonization
• Supercomputing Meets the Arts
• Code Porting Workshops Support Transition to GPUs
• Good Advice from Experts in Green IT
• Sustainability Highlights 2025

Building the Future, Together

• Collaboration Drives Progress in Supercomputing
• International Partnerships
• Strength through Cooperation: An Interview with Steve Conway

News Briefs 

User Research

• Particle Scattering Model Could Improve Low-Orbit Spaceflight
• Large-Scale Simulation Reveals Novel Insights about Turbulence
• Evolutionary Molecular Dynamics Delivers Insights into Cholesterol Attraction
• Selected Publications by Our Users in 2025

HLRS by Numbers

About Us

• Inside Our Computing Room
• User Profile
• Third-Party Funded Research Projects
• HPC Training Courses
• Workshops and Conferences
• Organization Chart
• Departments