19th Workshop on high performance computing in meteorology

A novel solution to speedup chemistry modules in atmospheric models will be presented. The Chemistry Across Multiple Phases (CAMP), a new flexible treatment for gas- and aerosol-phase chemical processes, is used as our testbed. The model allows multiple chemical processes (e.g., gas- and aerosol-phase chemical reactions, emissions, deposition, photolysis, and mass-transfer) to be solved...

In the simulation of complex multi-scale flow problems, such as those arising in weather and climate modelling, one of the biggest challenges is to satisfy operational requirements in terms of time-to-solution and available energy without compromising the accuracy and stability of the solution. These competing factors require extreme computational capabilities in conjunction with...

NEC SX-Aurora TSUBASA is a PCIe card type vector supercomputer and inherits the technology of SX Vector Supercomputer from 1983. Users can get the vector performance with some high-level languages, such as C/C++, Fortran or Python. The presentation will give the feature of SX-Aurora TSUBASA and the hardware/software roadmap for the future. And there will be some data which means that SX-Aurora...

The performance focus of numerical weather prediction has traditionally been on the model and the large degree of parallelism offered by NVIDIA GPUs has attracted the attention of the modeling community early on. As a result, various forecast services run their operational model now on GPUs and it is expected that this trend will continue in the future. However, with the wealth of data being...

Within the Center of Excellence in HPC, AI and Quantum Computing for Weather & Climate launched by ECMWF and Atos, one of the projects looks at developing a CPU-GPU-based version of ECMWF’s Integrated Forecasting System (IFS), preparing the product-generation pipeline as well as data-centric workflows for new technologies. This presentation gives an overview of the project activity and an...

In 2016 MeteoSwiss became the first national weather service to deploy in operations a NWP model forecast on GPUs. After five years and 2 generations of HPC systems based on NVIDIA GPUs, MeteoSwiss is preparing the transition from the regional NWP COSMO model to a new generation NWP forecasting system based on the ICON model. The new high resolution ICON based forecasting system will be...