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DTSTART:19700308T020000
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DTSTAMP:20250822T115805Z
LOCATION:Room 5.2D02
DTSTART;TZID=Europe/Stockholm:20250618T143000
DTEND;TZID=Europe/Stockholm:20250618T150000
UID:submissions.pasc-conference.org_PASC25_sess103_msa114@linklings.com
SUMMARY:Coastal Ocean Simulations with Unstructured and Block-Structured G
 rids on CPUs, GPUs, and FPGAs
DESCRIPTION:Markus Büttner (University of Bayreuth); Christoph Alt (Paderb
 orn University, Friedrich-Alexander-Universität Erlangen-Nürnberg); Tobias
  Kenter (Paderborn University); and Vadym Aizinger (University of Bayreuth
 )\n\nThe shallow water equations model fluid flow in regions where the hor
 izontal scale is much larger than the vertical depth. Applications of the 
 shallow water equations include the modelling of tides, tsunamis or atmosp
 heric flows. In this talk, we will discuss a SYCL implementation of a disc
 ontinuous Galerkin discretization for the two dimensional shallow water eq
 uations with application to coastal ocean simulations. We will first have 
 a brief discussion of the discontinuous Galerkin discretization and import
 ant performance characteristics of the resulting scheme on unstructured gr
 ids. We will then show how this scheme can be implemented in SYCL, what ab
 stractions are necessary for different architectures, and highlight differ
 ences between\ncompilers and backends. At last, we briefly discuss energy 
 efficiency for our code across the tested architectures and give a brief o
 utlook on how block-structured grids can be used to improve simulation per
 formance.\n\nDomain: Engineering, Computational Methods and Applied Mathem
 atics\n\nSession Chair: Andrey Alekseenko (KTH Royal Institute of Technolo
 gy, PDC Center for High Performance Computing)\n\n
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