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BEGIN:VEVENT
DTSTAMP:20250822T115805Z
LOCATION:Campussaal - Plenary Room
DTSTART;TZID=Europe/Stockholm:20250616T102000
DTEND;TZID=Europe/Stockholm:20250616T105000
UID:submissions.pasc-conference.org_PASC25_sess149_pos128@linklings.com
SUMMARY:P16 - GPU Porting of ECMWF Physical Parametrizations Using a High-
 Level Programming Model
DESCRIPTION:Gabriel Vollenweider and Stefano Ubbiali (ETH Zurich), Christi
 an Kühnlein (ECMWF), and Heini Wernli (ETH Zurich)\n\nWe present recent de
 velopments in the GPU porting using the domain-specific library GridTools 
 for Python (GT4Py) of three physical parametrizations from the Integrated 
 Forecasting System (IFS) of the European Centre for Medium-Range Weather F
 orecasts (ECMWF): the cloud microphysics packages CLOUDSC & CLOUDSC2, the 
 radiation scheme ecRad, and the surface parametrization ecLand. We outline
  our high-level porting strategy of legacy Fortran physics codes, highligh
 t performance results for CLOUDSC & CLOUDSC2, and discuss ongoing work wit
 h ecRad and ecLand.\n\nSession Chair: Chris Cantwell (Imperial College Lon
 don)\n\n
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