21st ECMWF workshop on high performance computing in meteorology
Download ProgrammeThe times below are displayed for Europe/London. We have detected that you are visiting us from .
Please select a timezone to show adjusted event times accordingly.
All times are shown in the selected time zone.
Location: DAMA - Tecnopolo di Bologna, Via Stalingrado 84/3, 40128 Bologna
| Monday, 15 September 2025 | Speaker(s) | |
|---|---|---|
| Arrival | ||
| 12:30 – 13:45 | Registration and coffee | |
| Opening session | ||
| 13:45 – 13:55 | Practical arrangements | |
| 13:55 – 14:00 |
Welcome to Bologna and opening remarks
Video recording |
Morena Diazzi (Emilia-Romagna Region)
|
| 14:00 – 14:15 |
ECMWF at 50
Video recording |
Florence Rabier (ECMWF)
Andy Brown (ECMWF)
|
| 14:15 – 14:30 |
Meeting the needs of users
Video recording |
Roar Skålin (Norwegian Meteorological Institute)
Florian Pappenberger (ECMWF)
|
| 14:30 – 14:45 |
Supercomputing
Video recording |
Martin Palkovic (ECMWF)
Christine Kitchen (ECMWF)
|
| 14:45 – 15:00 |
Destination Earth
Video recording |
Grazyna Piesiewicz (European Commission)
Irina Sandu (ECMWF)
|
| 15:00 – 15:30 | Coffee break | |
| Keynote address and panel discussion | ||
| 15:30 – 15:50 |
Machine Learning in today's meteorology
Video recording |
Mariana Clare (ECMWF)
|
| 15:50 – 16:30 |
Panel discussion on the role of machine learning
Moderator: Morena Diazzi Panellists:
Video recording |
|
|
Optional seminar
Live from Bologna!
|
||
| 16:45 – 17:45 | Cycle 50r1 |
Andy Brown (ECMWF)
|
All times are shown in the selected time zone.
Location: DAMA - Tecnopolo di Bologna, Via Stalingrado 84/3, 40128 Bologna
| Tuesday, 16 September 2025 | Speaker(s) | |
|---|---|---|
| Arrival | ||
| 07:30 – 08:00 | Registration and coffee | |
|
Session 1: Joint with Destination Earth Annual Meeting
Session chair: Martin Palkovic (ECMWF)
|
||
| 08:00 – 08:15 |
Introduction to the Destination Earth Initiative
Video recording |
Grazyna Piesiewicz (European Commission)
|
| 08:15 – 08:30 |
A strategic partnership with EuroHPC
Presentation slides Video recording |
Josephine Wood (EuroHPC JU)
|
| 08:30 – 09:00 |
Implementing Digital Twin technology
Keynote presentation Presentation slides Video recording |
Nils Wedi (ECMWF)
|
| 09:00 – 09:30 | Coffee break | |
| 09:30 – 09:55 |
The CINECA HPC and AI infrastructure for Science and Innovation integrated into the EuroHPC ecosystem
Presentation slides Video recording |
Sanzio Bassini (CINECA)
|
| 09:55 – 10:20 |
Towards AI supercomputing with LUMI-AI
Presentation slides Video recording |
Pekka Manninen (CSC)
|
| 10:20 – 10:45 |
European Exascale Era: JUPITER and Its Applications
Presentation slides Video recording |
Mathis Bode (Jülich Supercomputing Centre, Forschungszentrum Jülich)
|
| 10:45 – 11:10 |
Alice Recoque and AI Factory France : beyond Exascale toward the convergence of HPC, AI and Quantum
Presentation slides Video recording |
Éric Boyer (Genci)
|
| 11:10 – 11:35 |
Convergence of exascale AI and HPC for societal benefit at the BSC
Presentation slides Video recording |
Miguel Castrillo (BSC-CNS)
|
| 11:35 – 13:00 | Lunch break | |
|
Session 2
Session Chair: Samuel Hatfield (ECMWF)
|
||
| 13:00 – 13:20 |
GPU-adaptation of the IFS
Presentation slides Video recording |
Michael Lange (ECMWF)
|
| 13:20 – 13:40 |
Cross-platform optimisation for GPUs of various flavours (the low-level tech overview)
Presentation slides Video recording |
Ahmad Nawab (ECMWF)
|
| 13:40 – 14:00 |
Flexible GPU offloading strategies with the Atlas library using Pluto
Presentation slides Video recording |
Willem Deconinck (ECMWF)
|
| 14:00 – 14:20 |
Efficient spectral transformations on NVIDIA hardware
Presentation slides Video recording |
Lukas Mosimann (NVIDIA)
|
| 14:20 – 14:40 |
Adapting Destination Earth's Digital Twins to EuroHPC supercomputers
Presentation slides Video recording |
Balthasar Reuter (ECMWF)
|
| 14:40 – 15:10 | Group photo and coffee break | |
| 15:10 – 15:30 |
Profiling and GPU Porting of RAPS and ecWAM Models for EuroHPC Architectures
Presentation slides Video recording |
Fabio Di Sante (Cineca)
|
| 15:30 – 15:50 |
Porting and benchmarking GRAF on AWS
Presentation slides |
Tim Brown (AWS)
|
| 15:50 – 16:10 |
On the use of different arithmetic precisions and its impact on dynamic systems
Presentation slides Video recording |
Florent Duguet (NVIDIA)
|
| 16:10 – 16:30 |
Scaling IFS to 1km and beyond
Presentation slides |
Ioan Hadade (ECMWF)
|
| 16:30 – 16:50 |
Good ideas are persistent - pick them up!
Presentation slides Video recording |
Luis Kornblueh (MPI Meteorologie)
|
All times are shown in the selected time zone.
Location: DAMA - Tecnopolo di Bologna, Via Stalingrado 84/3, 40128 Bologna
| Wednesday, 17 September 2025 | Speaker(s) | |
|---|---|---|
| Arrival | ||
| 07:30 – 08:00 | Registration and coffee | |
|
Keynote presentation
Session chair: Christine Kitchen (ECMWF)
|
||
| 08:00 – 09:00 |
EAIRA: Establishing a Methodology for Evaluating AI Models as Scientific Research Assistants
Presentation slides Video recording |
Franck Cappello (Argonne National Laboratory)
|
|
Session 3: Joint with UEF2025
Chairs: Christine Kitchen (ECMWF) and Becky Hemingway (ECMWF)
|
||
| 09:00 – 09:30 | Coffee break | |
| 09:30 – 09:50 |
AICON - Introducing ML-based weather forecasting at DWD
Presentation slides Video recording |
Florian Prill (German Weather Service DWD)
|
| 09:50 – 10:10 |
Community AI at NSF NCAR
Presentation slides Video recording |
John Clyne (National Center for Atmospheric Research (NCAR))
|
| 10:10 – 10:30 |
AIFS case studies
Presentation slides Video recording |
Linus Magnusson (ECMWF)
|
| 10:30 – 11:30 |
Forecast users and HPC shaping the future together - a panel discussion
Chairs: Chris Kitchen and Becky Hemingway Panel members:
Video recording |
|
| 11:30 – 13:00 | Lunch break | |
|
Session 4
Session chair: Christine Kitchen (ECMWF}
|
||
| 13:00 – 13:20 |
The DTN AI Weather Revolution: Turning complex data into decision-grade insights using machine learning
Presentation slides Video recording |
Satheesh Maheswaran (AWS)
Stefan Weissenberger (NVIDIA)
Sam Lillo (DTN)
|
| 13:20 – 13:40 |
Optimizing Large-Scale Graph Neural Networks for the NVIDIA Grace Hopper Architecture
Presentation slides Video recording |
Maximilian Stadler (NVIDIA)
|
| 13:40 – 14:10 |
Improving the scalability and I/O of AIFS
Presentation slides Video recording |
Cathal O Brien (ECMWF)
Jan Polster (ECMWF)
|
| 14:10 – 14:30 | Coffee break | |
| 14:30 – 15:30 | Tour of the Computer Hall | |
| 15:00 – 16:30 | Joint HPC and UEF Poster Session | |
|
Evening reception
|
||
| 16:30 – 17:00 | Welcome drinks | |
| 17:00 – 17:10 |
Welcome speeches
Dr Florence Rabier (Director General of ECMWF) Vincenzo Colla (Vice-Presidente Regione Emilia-Romagna) Anna Lisa Boni (Comune di Bologna) General Giuseppe Addesa (Aeronautica Italia)
|
|
| 17:10 – 18:30 | Buffet and drinks | |
All times are shown in the selected time zone.
Location: DAMA - Tecnopolo di Bologna, Via Stalingrado 84/3, 40128 Bologna
| Thursday, 18 September 2025 | Speaker(s) | |
|---|---|---|
| Arrival | ||
| 07:30 – 08:00 | Registration and coffee | |
|
Keynote presentation
Session chair: Ioan Hadade (ECMWF)
|
||
| 08:00 – 09:00 |
Can Climate Science Win the Hardware Lottery?
Presentation slides Video recording |
Katherine Yelick (UC Berkeley)
|
|
Session 5
Session Chair: Ioan Hadade (ECMWF)
|
||
| 09:00 – 09:30 | Coffee break | |
| 09:30 – 09:50 |
Past, present, and future of HPC at ECMWF
Presentation slides Video recording |
Michael Hawkins (ECMWF)
|
| 09:50 – 10:10 |
Paving the way for AI? - Development of HPC and NWP in the last Decades (The DWD Perspective)
Presentation slides Video recording |
Ulrich Schättler (Deutscher Wetterdienst)
|
| 10:10 – 10:30 |
An Update on High-Performance Computing at Météo-France
Presentation slides Video recording |
François Bouyssel (Météo-France)
|
| 10:30 – 10:50 |
From LEO to Azure: The UK Met Office HPC Journey
Presentation slides Video recording |
Paul Selwood (Met Office)
|
| 10:50 – 11:10 |
An Update on High-Performance Computing at the Japan Meteorological Agency
Presentation slides Video recording |
Katsuhiko Ganzu (Numerical Prediction Division, JMA)
|
| 11:10 – 11:30 |
Past, present and future of HPC at the Australian Bureau of Meteorology
Presentation slides Video recording |
Tom Gale (Bureau of Meteorology)
|
| 11:30 – 13:00 | Lunch break | |
| 13:00 – 13:20 |
From Past to Future: ECCC’s HPC and the Transformation of Weather Services
Presentation slides Video recording |
Vincent Fortier (Environnement et Changements Climatiques Canada)
|
| 13:20 – 13:40 |
Past, present, and future of HPC at the CMA
Presentation slides Video recording |
Shuai Deng (National Meteorological Information Centre)
|
| 13:40 – 14:00 |
Past, present, and future of HPC at the National Weather Service
Presentation slides Video recording |
David Michaud (NOAA/National Weather Service)
|
| 14:00 – 14:20 |
Perspectives on High-Performance Computing in Meteorology in the Era of Heterogeneous Processor Architecture-Based Supercomputers
Presentation slides Video recording |
Ji-Sun Kang (Korea Institute of Science and Technology Information)
|
|
Session 6
Session chair: Balthasar Reuter (ECMWF)
|
||
| 14:20 – 14:40 |
The NSF NCARCommunity Software Facility: Transforming Software Engineering for Earth System Models
Presentation slides Video recording |
Thomas Hauser (NCAR)
|
| 14:40 – 15:10 | Coffee break | |
| 15:10 – 15:30 |
FORGE: Re-generating a forecast system for sustainability
Presentation slides Video recording |
Michael Lange (ECMWF)
|
| 15:30 – 15:50 |
A Python Dynamical Core for Operational Numerical Weather Prediction
Presentation slides Video recording |
Daniel Hupp (MeteoSwiss)
|
| 15:50 – 16:10 |
Bringing Performance Portability to ICON
Presentation slides Video recording |
Magdalena Luz (ETH Zurich)
|
| 16:10 – 16:30 |
Developing ECMWF's next-generation performance-portable atmospheric dynamical core
Presentation slides Video recording |
Sara Faghih-Naini (ECMWF)
|
| 16:30 – 16:50 |
GPU Porting of ECMWF Physical Parametrizations using a High-Level Programming Model
Presentation slides Video recording |
Stefano Ubbiali (ETH Zurich)
|
All times are shown in the selected time zone.
Location: DAMA - Tecnopolo di Bologna, Via Stalingrado 84/3, 40128 Bologna
| Friday, 19 September 2025 | Speaker(s) | |
|---|---|---|
| Arrival | ||
| 07:30 – 08:00 | Registration and coffee | |
|
Session 7
Session chair: Tiago Quintino (ECMWF)
|
||
| 08:00 – 08:20 |
Mapping Earth System Components to compute architectures for Optimized Throughput, Hardware Utilization and Energy Efficiency
Video recording |
Jan Frederik Engels (German Climate Computing Center)
|
| 08:20 – 08:40 |
Enhancing Tape Library Access Efficiency through Load Balancing at ECMWF
Presentation slides Video recording |
Sebastien Denvil (ECMWF)
|
| 08:40 – 09:00 |
High performance data
Presentation slides Video recording |
Tom Gale (Bureau of Meteorology)
|
| 09:00 – 09:20 |
I/O in LFRic: Collaborative Complexity
Presentation slides Video recording |
Iva Kavčič (Met Office)
|
| 09:20 – 09:50 | Coffee break | |
| 09:50 – 10:10 |
Containerization and deployment of weather models on EuroHPC JU infrastructures
Presentation slides Video recording |
Massimo Gisonni (CINECA)
|
| 10:10 – 10:30 |
Cross-Domain Insights on Federated Computing for Weather Workflows
Presentation slides Video recording |
Layla Loffredo (SURF B.V.)
|
| 10:30 – 10:50 |
Building multi-platform end-to-end capability in the Destination Earth On-demand Extremes digital twins: an integrated NWP-air quality workflow
Presentation slides Video recording |
Tommaso Benacchio (Danish Meteorological Institute)
|
| 10:50 – 11:10 |
Data-awareness with Maestro middleware in Climate Digital Twin workflows
Presentation slides Video recording |
Ali Mohammed (HPE HPC/AI EMEA RESEARCH LAB (ERL))
|
| 11:10 – 11:30 |
A modern Data Platform to improve Workflows and Pipelines
Presentation slides Video recording |
Giuseppe Trotta (Cineca)
Sven Breuner (VAST Data)
|
| 11:30 – 11:45 |
Closing remarks
Video recording |
Martin Palkovic (ECMWF)
|