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UID:submissions.pasc-conference.org_PASC23_sess166@linklings.com
SUMMARY:MS6F - Are HPC Codes Ready for Exascale? An EU HPC Centres of Exce
 llence Point of View
DESCRIPTION:Minisymposium\n\nIn June 2023 more than 15 HPC Centres of Exce
 llence (CoEs) will be covering almost all the scientific domains that use 
 HPC. Some have been running for more than six years and will be in their t
 hird edition, while others have just started. Collectively they have a uni
 que view of the current status of HPC codes and the main issues they are f
 acing to run at pre-exascale scales. This minisymposium aims to open a dia
 log between the different domains to reveal the similarities and differenc
 es in optimizing their applications. With presentations from different CoE
 s, we will identify the common pitfalls and bottlenecks facing the current
  codes and compare their solutions and approaches. Speakers from four CoEs
  (ChEESE, PerMedCoE, ESiWACE & CoEC) are invited to summarize the parallel
  performance and scalability of the application codes of their CoE, and th
 eir progress towards exascale on large-scale heterogeneous CPU and GPU com
 puter systems. They are asked to explain how they identify the main bottle
 necks and problems to address, as well as to explain the main optimization
  focus already addressed or planned.\n\nThe ChEESE Methodology towards Exa
 scale\n\nIn this talk, the underline methodology of the WP2 of ChEESE Cent
 er of Excellence in Solid Earth (ChEESE)[1] will be presented, together wi
 th the way how WP2 actively supported the code audit, the development and 
 tuning (ranging from single node to multi node, I/O) and porting activity 
 (towards hete...\n\n\nPiero Lanucara (CINECA)\n---------------------\nNew 
 Challenges for ESiWACE3: The Center of Excellence in Simulations of Weathe
 r and Climate in Europe\n\nExtreme weather events caused over 500 thousand
  casualties and 2 trillion USD economic damages in the past 20 years: a fa
 ilure in climate change mitigation is ranked among the leading threats to 
 global society. For these reasons, the improvement of the Earth System Mod
 els (ESM) has become a critical...\n\n\nStella Valentina Paronuzzi Ticco, 
 Mario Acosta, and Francisco Doblas-reyes (Barcelona Supercomputing Center)
 \n---------------------\nPhyDLL - Physics Deep Learning CoupLer: An Open-S
 ource High-Performance Coupling Library\n\nThere has been recently a signi
 ficant shift towards using data-driven approaches, particularly deep learn
 ing (DL) in computational fluid dynamics (CFD). While these techniques hav
 e shown great promise in improving the accuracy of fluid simulations, ther
 e is a growing need to consider the high-perfor...\n\n\nAnass Serhani, Cor
 entin Lapeyre, and Gabriel Staffelbach (CERFACS)\n---------------------\nE
 xascale Computing for Multi-Physics Combustion Simulation: The Center of E
 xcellence in Combustion\n\nThe field of high-performance computing (HPC) h
 as been revolutionized by the use of hardware accelerators, such as GPUs, 
 which have enabled to reach exascale performance. The increased computing 
 power offered by these systems has opened up new opportunities for industr
 ies that rely on combustion sys...\n\n\nDriss Kaddar, Federica Ferraro, an
 d Christian Hasse (TU Darmstadt) and Daniel Mira (Barcelona Supercomputing
  Center)\n\nDomain: Physics\n\nSession Chair: Marta Garcia-Gasulla (Barcel
 ona Supercomputing Center)
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