Heterogeneous Architectures in WLCG

from Wednesday 3 December 2025 (08:00) to Friday 5 December 2025 (18:00)
CERN (31/3-004)

        : Sessions
    /     : Talks
        : Breaks
3 Dec 2025
4 Dec 2025
5 Dec 2025
AM
08:00 --- Welcome coffee & pastries ---
09:00
Progress of Experiments and Software Projects - James Letts (Univ. of California San Diego (US)) Alessandro Di Girolamo (CERN) (until 10:30)
09:00 Introduction - James Letts (Univ. of California San Diego (US)) Alessandro Di Girolamo (CERN)  
09:15 LHCb - Federico Stagni (CERN)  
09:55 ATLAS - Edward Moyse (University of Massachusetts (US))  
10:40 --- Coffee break ---
11:10
Progress of Experiments and Software Projects - Alessandro Di Girolamo (CERN) James Letts (Univ. of California San Diego (US)) (until 12:40)
11:10 ALICE - Irakli Chakaberia (Lawrence Berkeley National Lab. (US))  
11:50 CMS - Charis Kleio Koraka (University of Wisconsin Madison (US))  
08:00 --- Welcome coffee & pastries ---
09:00
AI/ML activities -Dr Sofia Vallecorsa (CERN) Stefan Roiser (CERN) James Letts (Univ. of California San Diego (US)) Alessandro Di Girolamo (CERN) Lorenzo Moneta (CERN) (until 12:30)
09:00 Introduction - Lorenzo Moneta (CERN)  
09:10 ML - experience on inference and training in ATLAS - Xiangyang Ju (Lawrence Berkeley National Lab. (US))  
09:50 Accelerating ML training and Hyperparameter Optimization with HPC - Eric Wulff (CERN)  
10:30 --- Coffee break ---
11:00 Next Generation Triggers Work Package 1: feasible ML inference in grid production - Axel Naumann (CERN)  
11:20 CERN ML Infrastructure - Ricardo Rocha (CERN)  
11:50 Large Physics Models - Sascha Caron (Nikhef National institute for subatomic physics (NL))  
08:00 --- Welcome coffee & pastries ---
09:00
Closing Session - Lorenzo Moneta (CERN) Alessandro Di Girolamo (CERN) James Letts (Univ. of California San Diego (US)) Stefan Roiser (CERN) (until 12:30)
10:30 --- Coffee break ---
PM
12:30 --- Lunch ---
14:00
Progress of Experiments and Software Projects - Alessandro Di Girolamo (CERN) James Letts (Univ. of California San Diego (US)) Stefan Roiser (CERN) (until 15:30)
14:00 Adept detector simulation - Severin Diederichs (CERN)  
14:30 Celeritas detector simulation - Seth Johnson (Oak Ridge National Laboratory (US))  
15:00 Root and GPUs - Danilo Piparo (CERN)  
15:30 --- Coffee break ---
16:00
Progress of Experiments and Software Projects - Stefan Roiser (CERN) Alessandro Di Girolamo (CERN) James Letts (Univ. of California San Diego (US)) (until 17:30)
16:00 Madgraph event generation - Daniele Massaro (CERN)  
16:30 Pepper (Sherpa on GPU) event generation - Max Knobbe (Fermilab)  
14:00
Offering from Sites and requirements for future provisioning (until 17:25)
14:00 Benchmarking - status, plans and key milestones - Domenico Giordano (CERN)  
14:30 Experience in Italy and UK - Brij Kishor Jashal (Rutherford Appleton Laboratory) Daniele Cesini (Universita e INFN, Bologna (IT))  
14:50 Experience in Germany - Nikita Shadskiy (KIT - Karlsruhe Institute of Technology (DE))  
15:10 Experience at CERN - Ben Jones (CERN)  
15:30 --- Coffee break ---
16:00 Experience in U.S. (CMS) - Dirk Hufnagel (Fermi National Accelerator Lab. (US))  
16:20 Experience in U.S. (ATLAS) - Rui Wang (Argonne National Laboratory (US))  
16:40 Provisioning and Pledge Discussion - Rodney Walker (Ludwig Maximilians Universitat (DE)) Dmitry Kondratyev (Purdue University (US))