Erlangen 2026 – scientific programme

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T: Fachverband Teilchenphysik

T 14: Data, AI, Computing, Electronics II

T 14.2: Talk

Monday, March 16, 2026, 16:30–16:45, KH 02.014

Recent Developments in HEP Computing in Karlsruhe — Giacomo De Pietro, Patrick Ecker, Nils Faltermann, Emelie Fuchs, Johannes Gaessler, Manuel Giffels, Artur Gottmann, Jan Kieseler, Max Kühn, Yannis Kluegl, Günter Quast, Raquel Quishpe, Matthias Schnepf, Nikita Shadskiy, Lars Sowa, •Tim Voigtlaender, and Ralf Florian Von Cube — Karlsruhe Institute of Technology (KIT)

The computing contribution of the Karlsruhe Institute of Technology (KIT) to the WLCG pledge is provided through the Tier-1 center GridKa, together with opportunistic resources from the HoreKa HPC and the local Tier-3 cluster. These resources, together with the development activities of the Karlsruhe computing group, form a tightly integrated component that addresses a broad spectrum of high-energy physics (HEP) workloads and operational needs.

This talk outlines the current status and ongoing developments in HEP computing activities at KIT. This includes the status of the GPU integration into the WLCG from HoreKa and the Karlsruhe Tier-3 cluster, highlighting the first official workflows by LHC experiments on these systems. These early tests provide a baseline for future large-scale GPU-accelerated workflows. In addition, the ongoing effort to sustainably use legacy hardware during periods of renewable-energy surplus is presented as part of a broader move towards an energy-adaptive computing strategy. Finally, planned storage and compute extensions at GridKa Tier-1 center are presented, aimed at meeting future requirements and ensuring compliance with pledged resources.