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DTSTAMP:20210916T132528Z
LOCATION:Michel Mayor
DTSTART;TZID=Europe/Stockholm:20210708T110000
DTEND;TZID=Europe/Stockholm:20210708T130000
UID:submissions.pasc-conference.org_PASC21_sess157@linklings.com
SUMMARY:Performance Optimisation and Productivity for EU HPC Centres of Ex
 cellence (and European Parallel Application Developers Preparing for Exasc
 ale), Part II
DESCRIPTION:Minisymposium\n\nWhile parallel applications in all scientific
  and engineering domains have always been prone to execution inefficiencie
 s that limit their performance and scalability, exascale computer systems 
 comprising millions of heterogeneous processors/cores present a very consi
 derable imminent challenge to be addressed for academia and industry alike
 . HPC Centres of Excellence are funded by the EU Horizon2020 programme to 
 prepare applications for forthcoming exascale computer systems [https://ww
 w.focus-coe.eu/index.php/centres-of-excellence-in-hpc-applications/]. The 
 transversal Performance Optimisation and Productivity Centre of Excellence
  (POP CoE) [https://www.pop-coe.eu] supports the others, along with the wi
 der European community of application developers, with impartial applicati
 on performance assessments of parallel execution efficiency and scaling ba
 sed on a solid methodology analysing measurements with open-source perform
 ance tools.  This minisymposium part complements the first with three addi
 tional HPC CoE presentations of their experience collaborating with POP in
  preparing their flagship codes for exascale, and concludes with a discuss
 ion session involving the presenters from both parts.\n\nMaterials Design 
 Towards the Exascale: Porting Electronic Structure Community Codes to GPUs
 \n\nFerretti\n\nMaterials are crucial to science and technology, and conne
 cted to major societal challenges ranging from energy and environment, to 
 information and communication, and manufacturing. Electronic structure met
 hods have become key to meterials simulations, allowing scientists to stud
 y and design new mat...\n\n---------------------\nPanel Discussion on Perf
 ormance Optimisation and Productivity\n\nWylie\n\nDiscussion with all of t
 he minisymposium speakers comparing the readiness of their HPC Centres of 
 Excellence and applications for upcoming exascale computer systems, and th
 eir strategies.  Focus will include how the services of the Performan
 ce Optimisation and Productivity (POP) CoE can be expl...\n\n-------------
 --------\nStatus of NEMO Scalability and Inputs from POP Assessment\n\nMas
 son\n\nThis presentation will give an overview of the scalability issues o
 f the ocean model NEMO. We will show that because NEMO is a memory ba
 ndwidth limited application, its « good » scala
 bility curve is in fact hiding severe scalability problems. The benchmark 
 configurati...\n\n---------------------\nPerformance Optimization and Prod
 uctivity of Alya towards Exascale\n\nBorrell, Garcia-Gasulla, Mira, Houzea
 ux\n\nAlya is the high-performance computational mechanics code devel
 oped at the Computer Applications in Science and Engineering (CASE) depart
 ment from the Barcelona Supercomputing Center. A highly multidisciplinary 
 team develops alya to solve multi-physics problems from several applicatio
 n areas. P...\n\n\nDomain: Chemistry and Materials, Climate and Weather, P
 hysics, Solid Earth Dynamics, Life Sciences, Engineering
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