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Task Working Group 2 2021

Monthly status update information on WG 2 planned tasks

Status
as planned, delayed, technical problems, other problems, completed

Task Estimated duration (months) Short description Started Status after 1 month Status after 2 months assigned staff
Slow Int2lm 0.5 int2lm is very slow for large input grids due to very slow I/O April as planned merged into int2lm in C2SM-RCM - completed Jonas Jucker
Organize SOCOL 1 month Merge the different versions of SOCOL back into one repository March as planned - Jonas Jucker
Icon on Euler 6/7 Nodes 0.5 Due to compiler constraints, multinode jobs on Euler 6/7 nodes are not possible with ICON at the moment. Goal of this tasks is to find a compiler/OpenMPI configuration to allow such runs July as planned completed Urs Beyerle, Jonas Jucker
Benchmarking for CSCS-proposal with ECHAM/ICON 0.5 Optimal parallelization setup for the ICON(-HAM) and ECHAM(-HAM), CrayPat analysis August - - Michael Jähn
ICON processing chain for ART 0.5 - 0.75 Extend the tool procsessing-chain with a setup for ICON-ART. Additionally help setting up Jenkins testing for ICON-ART August - - Michael Jähn

Suggested tasks for 21/22

The detailed tasks list provides more information about some of the submitted tasks.

Task Estimated duration requested by group description Prioritization by core team
Momentum coupling between COSMO and land and ocean models 1.5 months LandClim + EnvPhys Implement the momentum coupling in COSMO by taking the land model surface roughness and the ocean model surface current velocities into account A (already started)
Icon on Euler 6/7 Nodes 2 weeks AtmCirc + AtmDyn Due to compiler constraints, multinode jobs on Euler 6/7 nodes are not possible with ICON at the moment. Goal of this tasks is to find a compiler/OpenMPI configuration to allow such runs A
Benchmarking for CSCS-proposal with ECHAM/ICON 0.5 month AtmPhys + M. Wild + D. Folini Finding out what is the optimal parallelization setup for the icon(-ham) and echam(-ham) run setups that will be included in the proposal, run CrayPat analysis as requested by CSCS A
ICON processing chain for ART 2 - 3 weeks Empa Extend the tool procsessing-chain with a setup for ICON-ART. Additionally help setting up Jenkins testing for ICON-ART A
General purpose running tool 2 months EnvPhys + LandClim Establish a shared tool to run simulations with various models/processing chains in order to bundle resources and facilitate exchange across groups A
Towards ICON in nesting mode for ECHAM-physics 1.5 months AtmPhys + M. Wild + D. Folini Find out who is the contact person at MPI-Met for nesting and evaluate the amount of work needed to make it functional and scientifically correct. B
Basic routines to visualise ICON output on the unstrutured grid 1.5 - 2 months MCH-APN Current situation: Many modelling activities switch from COSMO to ICON in the near future. Visualisation of model output on the native ICON grid is a key point for research and development. Currently, there lacks plotting infrastructure which can handle the unstructured grid. Goal: This tasks will provide a small collection of plotting routines using up-to-date python packages. B
Stable RBF interpolation in ICON 1-2 months entire C2SM-community Because of an instability in some calculation (RBF interpolation) in ICON it is not possible contrary to COSMO to do cross machine or compiler validation with ICON at the moment. This is an issue when porting the model on a new system or when increasing optimization, as it is difficult to know if the code works properly on machine/optimization level which are not tested by the official buildbot. suspended if no interest within C2SM-community

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Tasks_WG_2.pdf (115.02K)
version 1 uploaded by JonasJucker on 21 Jun 2021 - 14:52
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