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DTSTAMP:20250822T115805Z
LOCATION:Room 5.2D11
DTSTART;TZID=Europe/Stockholm:20250616T115000
DTEND;TZID=Europe/Stockholm:20250616T122000
UID:submissions.pasc-conference.org_PASC25_sess105_msa108@linklings.com
SUMMARY:Performance and Portability for Sustainable Simulations at Extreme
  Scales**
DESCRIPTION:Florina Ciorba and Osman Simsek (University of Basel)\n\nHigh 
 Performance Computing (HPC) is increasingly defined by heterogeneity, with
  diverse hardware architectures and growing core counts per device. \nOpti
 mizing performance and ensuring code portability are not  just technical c
 hallenges but also essential components of sustainable computing. Efficien
 t resource utilization and energy-aware optimizations are critical for red
 ucing the environmental impact of large-scale simulations while maintainin
 g adaptability across rapidly evolving HPC systems.\nIn this talk, we will
  explore three strategies for achieving performance and portability in mod
 ern heterogeneous HPC environments and evaluate their sustainability. We w
 ill share insights from optimizing legacy applications, developing new sim
 ulation frameworks, and integrating data analysis pipelines that exploit m
 ultiple levels of parallelism—both within and across nodes. Our discussion
  will highlight the trade-offs between performance and portability while c
 onsidering energy efficiency and long-term sustainability in computational
  science.\nWe will conclude by examining future computing trends and the i
 ncreasing complexity of next-generation HPC systems, emphasizing strategie
 s to balance computational power, energy efficiency, and scientific produc
 tivity in an era of growing heterogeneity.\n\nDomain: Engineering, Life Sc
 iences, Physics, Computational Methods and Applied Mathematics\n\nSession 
 Chair: Denisa-Andreea Constantinescu (EPFL)\n\n
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