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DTSTAMP:20220812T074334Z
LOCATION:Singapore Room
DTSTART;TZID=Europe/Stockholm:20220627T140000
DTEND;TZID=Europe/Stockholm:20220627T143000
UID:submissions.pasc-conference.org_PASC22_sess118_msa190@linklings.com
SUMMARY:Neko - Using Modern Fortran to Enable Next Generation Incompressib
 le Flow Simulations on Heterogenous Hardware
DESCRIPTION:Minisymposium\n\nNeko - Using Modern Fortran to Enable Next Ge
 neration Incompressible Flow Simulations on Heterogenous Hardware\n\nKarp,
  Jansson, Schlatter, Markidis\n\nWe are moving to a more heterogeneous com
 puter landscape and our fluid solvers need to accommodate this shift. This
  rapid increase in heterogeneity is a challenge on several levels as perfo
 rmance, scalability, and usability need to be maintained in our CFD codes.
  In this talk, we present our development of Neko - a highly scalable flui
 d solver based on the spectral element method. We discuss our development 
 of this new framework, which uses object-oriented modern Fortran to suppor
 t multiple different backends such as GPUs, the SX Aurora, and conventiona
 l CPUs. Focusing on the performance, scalability, and usability of Neko, w
 e present performance measurements on a wide array of computer platforms a
 nd how we use Neko in current production runs. We detail current features 
 and developments in Neko and present how we will use Neko to make detailed
  large-scale simulations of turbulence at the exascale.\n\nDomain: Compute
 r Science and Applied Mathematics, Engineering
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