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DTSTAMP:20230831T095746Z
LOCATION:Davos
DTSTART;TZID=Europe/Stockholm:20230627T102400
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UID:submissions.pasc-conference.org_PASC23_sess110_pos117@linklings.com
SUMMARY:P51 - Towards a Python-Based Performance-Portable Finite-Volume Dy
 namical Core for Numerical Weather Prediction
DESCRIPTION:Poster\n\nStefano Ubbiali (ETH Zurich), Till Ehrengruber (ETH 
 Zurich / CSCS), Nicolai Krieger (ETH Zurich), Christian Kühnlein (ECMWF), 
 and Lukas Papritz and Heini Wernli (ETH Zurich)\n\nWe present recent progr
 ess in the development of a high-performance Python implementation of the 
 FVM non-hydrostatic dynamical core at ECMWF and its member state partners.
  The FVM numerical formulation centred about 3D semi-implicit time integra
 tion of the fully compressible equations with finite-volume non-oscillator
 y advection is amenable for convective-scale resolutions and provides comp
 etitive time-to-solution. At the same time, it maps efficiently to modern 
 supercomputer architectures offering multi-level parallelism. Here, we par
 ticularly highlight the sustainable software design of FVM with respect to
  emerging and future heterogeneous computing platforms by leveraging the G
 T4Py framework. Furthermore, we discuss aspects of coupling and porting se
 lected ECMWF physical parameterizations to GT4Py.\n\nSession Chair: Jibona
 nanda Sanyal (National Renewable Energy Laboratory)
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