Name: 3rd Annual Meeting of EUROfusion HPC ACHs
Start: 2025-11-25T09:00:00+01:00
End: 2025-11-26T17:00:00+01:00
Location: Starling Hotel - Rte Cantonale 31, 1025 Saint-Sulpice

3rd Annual Meeting of EUROfusion HPC ACHs

from Tuesday, 25 November 2025 (09:00) to Wednesday, 26 November 2025 (17:00)

Monday, 24 November 2025
Tuesday, 25 November 2025

09:30 Welcome - Paolo Ricci ACH-EPFL
Welcome - Paolo Ricci ACH-EPFL
09:30 - 09:35

09:35 Report of Team Leader ACH-EPFL - Gilles Fourestey
Report of Team Leader ACH-EPFL - Gilles Fourestey
09:35 - 09:45
09:45 Reports from ACH-EPFL members (Chair: Gilles Fourestey): Reports from ACH-EPFL members (Chair: Gilles Fourestey)
Reports from ACH-EPFL members (Chair: Gilles Fourestey)
09:45 - 11:25
Contributions

09:45 Mathieu Peybernes - Directive-Based GPU Porting of SOLEDGE3X

10:10 Emily Bourne - Gyselalib++: A Portable, Kokkos-Based Library for Exascale Gyrokinetic Simulations

10:35 Cristian Sommariva - Cray's Inferno: a voyage through the porting of the JOREK code on LUMI-C

11:00 Alessandro Mari - Towards more efficient solvers for LIUQUE reconstruction
11:25 Break
Break
11:25 - 11:55
11:55 Reports from ACH-EPFL members (Chair: Gilles Fourestey): Reports from ACH-EPFL members (Chair: Gilles Fourestey)
Reports from ACH-EPFL members (Chair: Gilles Fourestey)
11:55 - 13:35
Contributions

11:55 Nicola Varini - Progress report on GBS,GRILLIX and FELTOR

12:20 Florian Cabot - Updates on Visualization Tools

12:45 Piyush Panchal - Parallel IO in GENEX using ADIOS

13:10 Emmanuel Lanti - From SPEC to SP{OC | ECTRE}: breathing Pythonic life into a legacy Fortran code
13:35 Lunch
Lunch
13:35 - 14:35

14:35 Report of Team Leader ACH-BSC/CIEMAT - Alejandro Soba
Report of Team Leader ACH-BSC/CIEMAT - Alejandro Soba
14:35 - 14:45
14:45 Reports from ACH-BSC/CIEMAT members (Chair - Alejandro Soba): Reports from ACH-BSC/CIEMAT members (Chair - Alejandro Soba)
Reports from ACH-BSC/CIEMAT members (Chair - Alejandro Soba)
14:45 - 16:00
Contributions

14:45 Gaurav Saxena & David Vicente Dorca - Hybrid Parallelization in SOLPS-ITER (remote)

15:10 Alejandro Soba - Work done over GENEX, SPEC, SPICE2 and Alya codes in the CIEMAT-BSC ACH

15:35 Federico Cipolletta - Solving the generalized eigenvalue problem in the JOREK free boundary and resistive wall extension: a progress report from the CIEMAT-BSC ACH about the assessment of using ELPA
16:00 Break
Break
16:00 - 16:20
16:20 Reports from ACH-BSC/CIEMAT members (Chair - Alejandro Soba): Reports from ACH-BSC/CIEMAT members (Chair - Alejandro Soba)
Reports from ACH-BSC/CIEMAT members (Chair - Alejandro Soba)
16:20 - 17:45
Contributions

16:20 Xavier Saez - Status of BIT1 Porting to GPU and Progress on X-tork

16:45 Joan Vinyals - Analysis and optimization memory requirements for STELLA (and) Continuous performance monitoring for GVEC

17:10 Augusto Maidana - GPU Acceleration of ERO 2.0 for Advanced Plasma–Wall Interaction Studies
18:30 Meeting Dinner (departure from the Hotel, walking distance)
Meeting Dinner (departure from the Hotel, walking distance)
18:30 - 21:00
Wednesday, 26 November 2025

09:00 Report of Team Leader ACH-MPG - Roman Hatzky (remote)
Report of Team Leader ACH-MPG - Roman Hatzky (remote)
09:00 - 09:10
09:10 Reports from ACH-MPG members (Chair: Roman Hatzky): Reports from ACH-MPG members (Chair: Roman Hatzky)
Reports from ACH-MPG members (Chair: Roman Hatzky)
09:10 - 10:50
Contributions

09:10 Huw Leggate - Consolidating ORB5 bsplines with the SPClibs library

09:35 Max Lindqvist - Progress report on STRUPHY and GENE

10:00 Serhiy Mochalskyy - Benchmarks and validation of the Pitagora HPC system

10:25 Tiago Ribeiro - Multi regions-of-interest (ROI) in REFMUL3
10:50 Break
Break
10:50 - 11:10

11:10 Reports of Team ACH-VTT - Oskar Lappi
Reports of Team ACH-VTT - Oskar Lappi
11:10 - 11:20
11:20 Reports from ACH-VTT members: Reports from ACH-VTT members
Reports from ACH-VTT members
11:20 - 12:10
Contributions

11:20 Oskar Lappi - Scalable Domain-decomposed Monte Carlo Neutral Transport for Nuclear Fusion

11:45 Ville-Markus Yli-Suutala - Performance Measurement of Offloaded OpenMP Kernels on AMD GPUs
12:10 Lunch
Lunch
12:10 - 13:00

13:00 Move to SPC
Move to SPC
13:00 - 13:05

13:05 Tokamak visit in SPC (Swiss Plasma Center)
Tokamak visit in SPC (Swiss Plasma Center)
13:05 - 13:50

13:50 Move to Data Center CCT
Move to Data Center CCT
13:50 - 14:00

14:00 Data Center CCT visit
Data Center CCT visit
14:00 - 14:45

14:45 Move to Starling Hotel
Move to Starling Hotel
14:45 - 14:55

14:55 Discussions - General topics
Discussions - General topics
14:55 - 16:00

16:00 End of the meeting
End of the meeting
16:00 - 16:05