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)

Description

Remote by Zoom: ID: 925-1192-2002 / PW: 013274
https://zoom.us/j/92511922002?pwd=OFY1cEJ3R0FCRHJ1bjlDQkR1aTY2UT09

Contact

serhiy.mochalskyy@ipp.mpg.de

roman.hatzky@ipp.mpg.de

+498932991518

Tuesday 27 October
- Tue 27 Oct
- Wed 28 Oct
- 09:00 → 09:10
  
  Welcome 10m
  
  Speaker: Roman Hatzky (IPP)
- 09:10 → 09:20
  
  Report of Team Leader ACH-EPFL 10m
  
  Speaker: Gilles Fourestey (EPFL)
- 09:20 → 11:00
  Reports from ACH-EPFL members
  
  Convener: Gilles Fourestey (EPFL)
  - 09:20
    
    Soledge3X Code Optimization and GPU Production Computing for the WEST Tokamak 25m
    
    Speaker: Mathieu Peybernes (EPFL)
  - 09:45
    
    Improvements for Vlasov Kernel in GENEX 25m
    
    Speaker: Piyush Panchal (EPFL)
  - 10:10
    
    Gysela-X++ 25m
    
    Speaker: Emily Bourne (EPFL)
  - 10:35
    
    Fusion Digital Twin 25m
    
    Speaker: Florian Cabot (EPFL)
- 11:00 → 11:20
  
  Coffee Break 20m
- 11:20 → 12:35
  Reports from ACH-EPFL members cont.
  - 11:20
    
    Implicit Solver Performance: Bottlenecks and Optimizations in GBS and Beyond Compute: Communication Profiling and Optimization in FELTOR 25m
    
    Speaker: Nicola Varini (EPFL)
  - 11:45
    
    ASCOT5-GPU physics improvements 25m
    
    Speaker: Gilles Fourestey (EPFL)
  - 12:10
    
    KINDNES and SPECTRE 25m
    
    Speaker: Emmanuel Lanti (EPFL)
- 12:35 → 14:00
  
  Lunch 1h 25m
- 14:00 → 14:10
  
  Report of Team Leader ACH-BSC/CIEMAT 10m
  
  Speaker: Mervi Mantsinen (CIEMAT)
- 14:10 → 15:25
  Reports from ACH-CIEMAT members
  
  Convener: Mervi Mantsinen (CIEMAT)
  - 14:10
    
    ACH-BSC work over XTAPAS, Alya and SPICE2 code during 2026 25m
    
    Speaker: Alejandro Soba (BSC)
  - 14:35
    
    Enabling Exascale GPU Performance for Fusion Edge Modeling Codes 25m
    
    Speaker: Manuel Augusto Maidana Silanes (CIEMAT)
  - 15:00
    
    Progress on BIT1 GPU Porting 25m
    
    Speaker: Xavier Saez (CIEMAT)
- 15:25 → 15:45
  
  Coffee Break 20m
- 15:45 → 17:00
  Reports from ACH-CIEMAT members cont.
  
  Convener: Mervi Mantsinen (CIEMAT)
  - 15:45
    
    Progress report on work done with CARIDDI and JOREK-DREAM 25m
    
    Speaker: Federico Cipolletta (CIEMAT - BSC)
  - 16:10
    
    Continuous performance monitoring for STELLA 25m
    
    Speaker: Joan Vinyals Ylla Catala (BSC)
  - 16:35
    
    Hybrid Parallelization in SOLPS-ITER, (Zoom) 25m
    
    Speaker: Gaurav Saxena (CIEMAT)
- 18:00 → 20:00
  
  Meeting Dinner* (Gasthof Neuwirt, Münchener Str. 10, 85748 Garching bei München) 2h
  
  Each participant is responsible for covering his/her own costs.
Wednesday 28 October
- Tue 27 Oct
- Wed 28 Oct
- 09:00 → 09:10
  
  Report of Team Leader ACH-MPG 10m
  
  Speaker: Roman Hatzky (IPP)
- 09:10 → 10:25
  Reports from ACH-MPG members
  
  Convener: Roman Hatzky (IPP)
  - 09:10
    
    Progress report on OpenMP offloading in ORB5 25m
    
    Speaker: Ville-Markus Yli-Suutala (VTT)
  - 09:35
    
    Progress in porting domain-decomposed Monte Carlo to GPUs 25m
    
    Speaker: Oskar Lappi (VTT)
  - 10:00
    
    Acceleration of GrilliX timestep and optimization of GEMPICX 25m
    
    Speaker: Cristian Lalescu (IPP)
- 10:25 → 10:45
  
  Coffee Break 20m
- 10:45 → 11:35
  Reports from ACH-MPG members cont.
  
  Convener: Roman Hatzky (IPP)
  - 10:45
    
    Multi regions-of-interest (ROI) in REFMUL3 25m
    
    Speaker: Tiago Ribeiro (IPP)
  - 11:10
    
    Benchmarks and validation of the Pitagora HPC system 25m
    
    Speaker: Serhiy Mochalskyy (IPP)
- 11:35 → 12:30
  
  ASDEX Upgrade tour 55m
- 12:30 → 14:00
  
  Lunch 1h 30m
- 14:00 → 14:40
  Discussion of relevant topics
  
  Convener: Gilles Fourestey (EPFL)
  - 14:00
    
    Experiences with the Pitagora HPC system 20m
  - 14:20
    
    News from E-TASC General meeting 20m
- 14:40 → 15:00
  Organisational issues
  
  Convener: Roman Hatzky (IPP)
  - 14:40
    
    Next meeting 10m
  - 14:50
    
    AOB 10m
- 15:00 → 15:01
  
  End of meeting 1m