Articles | Volume 12, issue 9
https://doi.org/10.5194/gmd-12-3991-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-12-3991-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Development and technical paper
| 
10 Sep 2019
Development and technical paper |
| 10 Sep 2019
| 10 Sep 2019
Scalability and some optimization of the Finite-volumE Sea ice–Ocean Model, Version 2.0 (FESOM2)
Nikolay V. Koldunov
CORRESPONDING AUTHOR
MARUM – Center for Marine Environmental Sciences, Leobener Str. 8, 28359 Bremen, Germany
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany
Vadym Aizinger
University of Bayreuth, Chair of Scientific Computing, 95447 Bayreuth, Germany
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany
Natalja Rakowsky
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany
Patrick Scholz
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany
Dmitry Sidorenko
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany
Sergey Danilov
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany
Jacobs University, Campus Ring 1, 28759 Bremen, Germany
Thomas Jung
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany
University of Bremen, Bremen, Germany
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- Split-explicit external mode solver in the finite volume sea ice–ocean model FESOM2 T. Banerjee et al. 10.5194/gmd-17-7051-2024
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- Eddy activity in the Arctic Ocean projected to surge in a warming world X. Li et al. 10.1038/s41558-023-01908-w
- The Atlantic Meridional Overturning Circulation in High‐Resolution Models J. Hirschi et al. 10.1029/2019JC015522
- On the Damping Time Scale of EVP Sea Ice Dynamics S. Danilov et al. 10.1029/2021MS002561
- Simple algorithms to compute meridional overturning and barotropic streamfunctions on unstructured meshes D. Sidorenko et al. 10.5194/gmd-13-3337-2020
- Evaluation and Application of Newly Designed Finite Volume Coastal Model FESOM-C, Effect of Variable Resolution in the Southeastern North Sea I. Kuznetsov et al. 10.3390/w12051412
- MPAS-Seaice (v1.0.0): sea-ice dynamics on unstructured Voronoi meshes A. Turner et al. 10.5194/gmd-15-3721-2022
- Abrupt Climate and Weather Changes Across Time Scales G. Lohmann et al. 10.1029/2019PA003782
- The digital revolution of Earth-system science P. Bauer et al. 10.1038/s43588-021-00023-0
- Parameter optimization in sea ice models with elastic–viscoplastic rheology G. Panteleev et al. 10.5194/tc-14-4427-2020
- Ocean biogeochemistry in the coupled ocean–sea ice–biogeochemistry model FESOM2.1–REcoM3 Ö. Gürses et al. 10.5194/gmd-16-4883-2023
- Level Set Discrete Element Method for modeling sea ice floes R. Moncada et al. 10.1016/j.cma.2023.115891
- CD-type discretization for sea ice dynamics in FESOM version 2 S. Danilov et al. 10.5194/gmd-17-2287-2024
- Glacial AMOC shoaling despite vigorous tidal dissipation: vertical stratification matters Y. Chen et al. 10.5194/cp-20-2001-2024
- Analysis of baroclinic vertical structures around the Korean marginal seas with a primary focus on the model configuration B. Lim et al. 10.1016/j.csr.2022.104699
- Assessment of the Finite-volumE Sea ice-Ocean Model (FESOM2.0) – Part 1: Description of selected key model elements and comparison to its predecessor version P. Scholz et al. 10.5194/gmd-12-4875-2019
- Comparing the Performance of Julia on CPUs versus GPUs and Julia-MPI versus Fortran-MPI: a case study with MPAS-Ocean (Version 7.1) S. Bishnu et al. 10.5194/gmd-16-5539-2023
- Long-term evolution of ocean eddy activity in a warming world N. Beech et al. 10.1038/s41558-022-01478-3
- Eddy Kinetic Energy in the Arctic Ocean From a Global Simulation With a 1‐km Arctic Q. Wang et al. 10.1029/2020GL088550
- Evaluation of FESOM2.0 Coupled to ECHAM6.3: Preindustrial and HighResMIP Simulations D. Sidorenko et al. 10.1029/2019MS001696
- Improving ocean modeling software NEMO 4.0 benchmarking and communication efficiency G. Irrmann et al. 10.5194/gmd-15-1567-2022
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Latest update: 10 Oct 2024
Short summary
We measure how computational performance of the global FESOM2 ocean model (formulated on an unstructured mesh) changes with the increase in the number of computational cores. We find that for many components of the model the performance increases linearly but we also identify two bottlenecks: sea ice and ssh submodules. We show that FESOM2 is on par with the state-of-the-art ocean models in terms of throughput that reach 16 simulated years per day for eddy resolving configuration (1/10°).
We measure how computational performance of the global FESOM2 ocean model (formulated on an...
