Together with NVIDIA and OpenACC organization, IDRIS will host a hybrid Open Hackathon starting May 5th and concluding May 21st, 2026. Open Hackathons are multi-day, intensive hands-on events designed to help computational scientists and researchers port, accelerate and optimize their applications on a variety of data center architectures including CPUs and GPUs. Dalia is Europe’s first NVIDIA GB200 NVL72 supercomputer for open research in AI and AI for Science. It integrates 36 NVIDIA Grace CPUs and 72 NVIDIA Blackwell GPUs interconnected with a NVLink network. The event pairs participants with dedicated mentors experienced in programming and targeted application areas to realize performance gains and speedups using a variety of programming models, libraries, and tools.