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Call announcement for an OASIS Dedicated User Support

ESiWACE2 1st call for applicants – 2020

Within the ESiWACE2 H2020 European infrastructure project, WP 3 « HPC services to prepare the weather and climate community for the pre-Exascale » provides services to improve performance and portability of climate codes with respect to existing and upcoming tier1 and tier0 computers. In this context,

we provide TECHNICAL help at user site to design, upgrade or enhance the implementation of the OASIS3-MCT interface in your model(s) and/or set up a tailored and computationally efficient coupled system.

This year, one 2 person-month Dedicated User Support will be offered. Provided by CERFACS, this service is open to any weather/climate research laboratory in Europe. A member of the OASIS developer team will visit the facilities of the selected applicants. They will therefore have to provide access to the laboratory and an account on the machine where the codes run. All other costs are covered by the project.

This service excludes the scientific development, tuning, analysis and evaluation of the coupled model components themselves and of the coupled model as a whole.

To apply:

Briefly describe your project and your needs filling the questionnaire "Description of your OASIS project” (5 pages maximum)

Send your questionnaire to Eric Maisonnave (eric.maisonnave[at]

The deadline for this 1st call for applicants is October 31th 2019

Evaluation criteria:

  • Potential of the targeted coupled system to be used on pre-Exascale machines, e.g. innovative coupling algorithms, compatibility with emerging architectures (GPU ...), increased task/model parallelism, reduced precision computations, new programming languages, etc.
  • Quality of the methodology proposed
  • Expected scientific impact of the targeted coupled system and its long-term support by the applicant group

Applications that require new and exploratory developments of the OASIS coupler itself are encouraged but must be justified and clearly expressed.

The selection will be made by the OASIS Advisory Board. The institutions selected will be notified by the end of December 2019.



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