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  • CEEC at ISC25

    Join our own Niclas Jansson at the Euro HPC JU booth for a presentation on our project and progress so far!

  • RESEARCH POSTER PITCH with Yanxiang Chen

    After listening to Niclas Jansson present our project at the EuroHPC JU booth at 1pm, strole over to Hall E to hear from our own Yanxiang Chen. If you want […]

  • Fully-resolved LBM-DEM simulations of piping erosion during a suction bucket installation

    Arcrea HIMEJI 143-2, Kamiyacho, Himeji-City, Hyogo, Japan

    Join our Samuel kemmler for his talk at the 10th International Conference on Discrete Element Methods (DEM10) this summer in Himeji, Japan !

    Suction bucket foundations are a cost-efficient and environmentally sustainable method for installing offshore wind turbines, however, they can fail because of piping erosion, when fluidization of particles beneath the bucket wall tip causes a drop in suction pressure. Unfortunately, the mechanisms of piping erosion are insufficiently understood. Hence, a three-dimensional, fully-resolved coupled LBM-DEM simulation is employed to conduct an in-depth analysis of piping erosion to identify key influencing parameters and enhance understanding and optimisation of the installation process. Results from simulations executed on hundreds of GPUs on the LUMI supercomputer are presented, illustrating the method’s capability to tackle this complex challenge.

  • Poster titled “Introduction to the DLB Library and Measuring GPU performance” at the top in bold black font. To the right of the title are two logos: one for dynamic load balancing (with a blue icon resembling test tubes) and one for CEEC (black bold letters). Below the title is a white speech-bubble shaped text box with the following text: Join CEEC and Marta Garcia for a webinar introducing the Dynamic Load Balancing (DLB) library and its modules! We’ll share each module’s main features and how to use them, with extra focus on the new TALP GPU metric collection feature. Below this paragraph are three icons with corresponding event details: • A calendar icon next to: September 17, 2025 • A clock icon next to: 15:00 – 16:00 CET • A location pin icon next to: Online To the right of the main text is a rectangular photo of Marta Garcia speaking on stage with a microphone, in front of a presentation slide. She wears a striped shirt, and the background slide includes anatomical heart graphics and headshots. Below the main text box is a slightly tilted image of a diagram. It shows a white 3D figure typing on a laptop labeled "Program App.", pointing to a blue arrow labeled "Run with DLB", followed by charts and cloud-like graphics suggesting performance improvement. The DLB logo appears again in this diagram. The bottom of the poster features stylized wave lines in blue and gray.

    Introduction to the DLB Library and Measuring GPU performance

    Online

    In this webinar we’ll provide an overview of the DLB library and each one of its modules. For each module we’ll share its main features, how to use it, and some success stories. We’ll put special focus on the TALP module and its recent extension to provide GPU metrics when getting performance measurements.

  • Mixed-Precision and Energy-Efficient Computations

    If you’re at the Workshop on Approximate Computing in Numerical Linear Algebra in Paris this week, don’t miss Yanxiang Chen’s lunch poster talk on mixed precision and energy efficient computations!

    Then check out Roman’s talk at 14:50!

  • A promotional graphic for a webinar. The background is white with a subtle wave pattern at the bottom. At the top left in large bold black letters: "Extreme-Scale High-Fidelity Computational Fluid Dynamics with Neko" Top right corner: The CEEC logo, consisting of the acronym "CEEC" in bold letters, with a small stylized fluid wave above the first "C." Centered left is a white rectangular scroll-like box with a curled upper left and lower left corner, containing the following text: "Join CEEC and Niclas Jansson for a webinar introducing Neko and its upcoming improvements! We’ll introduce Neko and its capabilities, with extra focus on major changes in features and functionalities, user interaction, and improvements in the upcoming release of Neko v1.0." Below, there are three icons followed by information: A calendar icon, followed by "October 22, 2025" A clock icon, followed by "14:00 – 15:00 CET" A location pin icon, followed by "Online" To the right of the scroll box is the NEKO logo. It features the word "NEKO" in bold, slanted, black stylized text with horizontal speed lines running through it. To the left of the word is a cartoon cat face with pointy ears, wearing round goggles, a smiling expression, and a swirling wave design beneath its chin. The overall design uses black and white colors with clean lines and a scientific/technical feel.

    Extreme-Scale High-Fidelity Computational Fluid Dynamics with Neko

    Online

    Neko is a portable framework for high-order spectral element-based simulations, mainly focusing on incompressible/compressible flow. In this webinar, CEEC’s own Niclas Jansson will provide an introduction to Neko and its capabilities, from installation to creating and running simulations. He will also focus especially on the major changes in features and functionalities, user interaction, and improvements made in the upcoming release of Neko v1.0. Join CEEC for a webinar on this 2023 ACM Gordon Bell prize finalist and get your start using Neko!

  • Announcement poster for a webinar titled "Exploring CI/CD Tools and Workflows for Research and HPC Software Projects". The CEEC logo appears in the top right corner. The main content is in a white rounded rectangle with a curled-corner effect and a drop shadow. Text on the poster: "Exploring CI/CD Tools and Workflows for Research and HPC Software Projects CEEC Continuous Integration and Continuous Deployment (CI/CD) are essential for sustainable and reproducible software development, yet many projects still lack a structured workflow. This webinar provides a beginner-friendly introduction to CI/CD with a focus on EuroHPC. We will explore why CI/CD matters, review a selection of tools commonly used or even developed within European projects, and discuss their strengths, limitations, and typical use cases. The goal is to help developers new to CI/CD understand available options and how to choose tools that fit their needs. November 26, 2025 14:00 – 15:00 CET Online" Visuals: Modern, minimalist design with black text on a white background. There are three small icons at the bottom left: a calendar, a clock, and a location pin next to the corresponding event details. The bottom of the poster is decorated with blue wavy lines as a subtle graphic element.
    Featured

    Exploring CI/CD Tools and Workflows for Research and HPC Software Projects

    Online

    Continuous Integration and Continuous Deployment (CI/CD) are essential for sustainable and reproducible software development. This webinar provides a beginner-friendly introduction to CI/CD with a focus on the EuroHPC community. We will explore why CI/CD matters, review a selection of tools commonly used or even developed within European projects, and discuss their strengths, limitations, and typical use cases. A short example from the waLBerla project will illustrate how such workflows can be applied in practice.