4th Annual Meeting of EUROfusion HPC ACHs

Name: 4th Annual Meeting of EUROfusion HPC ACHs
Start: 2026-10-27T09:00:00+01:00
End: 2026-10-28T16:20:00+01:00
Location: Garching, Germany

27 Oct 2026, 09:00 → 28 Oct 2026, 16:20 Europe/Berlin

Building D2, room 436 (seminar room, last floor) (Garching, Germany)

Building D2, room 436 (seminar room, last floor)

Garching, Germany

Boltzmannstraße 2 85748 Garching b. München

Gilles Fourestey (EPFL), Mervi Mantsinen (CIEMAT), Roman Hatzky (IPP)

Contact

serhiy.mochalskyy@ipp.mpg.de

roman.hatzky@ipp.mpg.de

+498932991518

Tuesday 27 October
- Tue 27 Oct
- Wed 28 Oct
- 1
  
  Welcome
  
  Speaker: Roman Hatzky (IPP)
- 2
  
  Report of Team Leader ACH-EPFL
  
  Speaker: Gilles Fourestey (EPFL)
- Reports from ACH-EPFL members
  
  Convener: Gilles Fourestey (EPFL)
  - 3
    
    Soledge3X Code Optimization and GPU Production Computing for the WEST Tokamak
    
    Speaker: Mathieu Peybernes (EPFL)
  - 4
    
    Improvements for Vlasov Kernel in GENEX
    
    Speaker: Piyush Panchal (EPFL)
  - 5
    
    Gysela-X++
    
    Speaker: Emily Bourne (EPFL)
  - 6
    
    Fusion Digital Twin
    
    Speaker: Florian Cabot (EPFL)
- 11:00
  
  Coffee Break
- Reports from ACH-EPFL members cont.
  - 7
    
    Implicit Solver Performance: Bottlenecks and Optimizations in GBS and Beyond Compute: Communication Profiling and Optimization in FELTOR
    
    Speaker: Nicola Varini (EPFL)
  - 8
    
    ASCOT6-GPU physics improvements
    
    Speaker: Gilles Fourestey (EPFL)
  - 9
    
    LINDNES and SPECTER
    
    Speaker: Emmanuel Lanti (EPFL)
- 12:35
  
  Lunch
- 10
  
  Report of Team Leader ACH-BSC/CIEMAT
  
  Speaker: Mervi Mantsinen (CIEMAT)
- Reports from ACH-CIEMAT members
  
  Convener: Mervi Mantsinen (CIEMAT)
  - 11
    
    ACH-BSC work over XTAPAS, Alya and SPICE2 code during 2026
    
    Speaker: Alejandro Soba (BSC)
  - 12
    
    Enabling Exascale GPU Performance for Fusion Edge Modeling Codes
    
    Speaker: Manuel Augusto Maidana Silanes (CIEMAT)
  - 13
    
    Progress on BIT1 GPU Porting
    
    Speaker: Xavier Saez (CIEMAT)
- 15:25
  
  Coffee Break
- Reports from ACH-CIEMAT members cont.
  
  Convener: Mervi Mantsinen (CIEMAT)
  - 14
    
    Progress report on work done with CARIDDI and JOREK-DREAM
    
    Speaker: Federico Cipolletta (CIEMAT - BSC)
  - 15
    
    Continuous performance monitoring for STELLA
    
    Speaker: Joan Vinyals Ylla Catala (BSC)
  - 16
    
    Hybrid Parallelization in SOLPS-ITER, (Zoom)
    
    Speaker: Gaurav Saxena (CIEMAT)
- 18:00
  
  Meeting Dinner* (Gasthof Neuwirt, Münchener Str. 10, 85748 Garching bei München)
  
  Each participant is responsible for covering his/her own costs.
Wednesday 28 October
- Tue 27 Oct
- Wed 28 Oct
- 17
  
  Report of Team Leader ACH-MPG
  
  Speaker: Roman Hatzky (IPP)
- Reports from ACH-MPG members
  
  Convener: Roman Hatzky (IPP)
  - 18
    
    Progress report on OpenMP offloading in ORB5
    
    Speaker: Ville-Markus Yli-Suutala (VTT)
  - 19
    
    Progress in porting domain-decomposed Monte Carlo to GPUs
    
    Speaker: Oskar Lappi (VTT)
  - 20
    
    Acceleration of GrilliX timestep and optimization of GEMPICX
    
    Speaker: Cristian Lalescu (IPP)
- 10:25
  
  Coffee Break
- Reports from ACH-MPG members cont.
  
  Convener: Roman Hatzky (IPP)
  - 21
    
    Multi regions-of-interest (ROI) in REFMUL3
    
    Speaker: Tiago Ribeiro (IPP)
  - 22
    
    Benchmarks and validation of the Pitagora HPC system
    
    Speaker: Serhiy Mochalskyy (IPP)
- 11:35
  
  ASDEX Upgrade tour
- 12:30
  
  Lunch
- Discussion of relevant topics
  
  Convener: Mervi Mantsinen (CIEMAT)
  - 23
    
    Experiences with the Pitagora HPC system
  - 24
    
    News from E-TASC General meeting
- Organisational issues
  - 25
    
    Next meeting
  - 26
    
    AOB
- 15:00
  
  End of meeting