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DTSTAMP:20230831T095754Z
LOCATION:Wisshorn
DTSTART;TZID=Europe/Stockholm:20230627T110000
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UID:submissions.pasc-conference.org_PASC23_sess149@linklings.com
SUMMARY:MS3F - European Advanced Computing Hubs to Accelerate Progress in 
 Fusion R&D
DESCRIPTION:Minisymposium\n\nNuclear fusion, which harnesses the energy of
  the stars, promises nearly limitless carbon-free energy. In order for fus
 ion to become economically viable, special reactors need to be designed. T
 he scientific and engineering multidisciplinary challenges involved in bui
 lding such reactors are enormous: the plasma core needs to be kept at mill
 ions of degrees so that fusion can occur while preventing the reactor wall
 s from melting from that heat and making sure that this heat bleeds out sm
 oothly from the plasma. Currently under construction in Southern France, t
 he ITER experiment is expected to show the feasibility of fusion energy. I
 n order to optimize its operation, as well as the next-generation reactors
 , highly optimized plasma code simulations running on exascale-grade super
 computers are necessary. In order to tackle this task, the European Consor
 tium for the Development of Fusion Energy (EUROfusion) has created three H
 PC Advanced Computing Hubs (ACH). Those hubs participate in the improvemen
 t of existing European simulation codes to enable researchers to take full
  advantage of the new capabilities offered by the new generations of super
 computers. This mini-symposium will introduce the fusion HPC programme and
  present current HPC software development carried out at the ACHs.\n\nTech
 nology to the Rescue! How HPC Industries Can Help Accelerate Time-To-Scien
 ce\n\nThe role of simulations and computing infrastructure is critical for
  the success of Fusion programme like EUROFusion or ITER. Domain scientist
 s have been pushing the boundaries of what it is possible in theory and ex
 periments but, for complex scenarios and expensive machinery, simulations 
 are an ess...\n\n\nGilles Fourestey (EPFL), Filippo Spiga (NVIDIA Inc.), S
 amuel Antão (AMD), and Giacomo Rossi (Intel Inc.)\n---------------------\n
 GPU Porting of Plasma Physics Codes\n\nWe will present the global strategy
  used for the GPU porting of multiple fusion research codes. The chosen st
 rategy aims to keep a single version of each code using OpenMP/OpenACC dir
 ectives. Performance portability on different architectures (NVIDIA and AM
 D GPUs) and with various compilers will be ...\n\n\nEmily Bourne, Gilles F
 ourestey, and Mathieu Peybernes (EPFL)\n---------------------\nBringing GE
 NE to GPUs: A Journey to Portability and Performance\n\nGENE is a widely-u
 sed simulation code for core plasma turbulence in fusion devices. It is us
 ed for many years on nearly all available high performance computing syste
 ms. Since the advent of GPU-based systems, the code has been reworked to l
 everage the great computing power of these accelerators. In ...\n\n\nTilma
 n Dannert (Max Planck Computing and Data Facility), Kai Germaschewski (Uni
 versity of New Hampshire), Bryce Allen (University of Chicago), and Gabrie
 le Merlo (University of Texas at Austin)\n---------------------\nHow a Per
 formance Analysis Methodology Can Guide the Optimization of EUROfusion HPC
  Scientific Codes\n\nApplication developers from all fields relying on HPC
  deal with two challenges. On the one hand, they push their codes to solve
  more relevant use cases or more detailed simulations to advance in their 
 field of study. On the other hand, they try to efficiently use the computa
 tional resources while sc...\n\n\nMarta Garcia-Gasulla and Joan Vinyals (B
 arcelona Supercomputing Center)\n\nDomain: Physics\n\nSession Chair: Gille
 s Fourestey (EPFL)
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