A large-scale global air quality model, running efficiently on a single vector processor, is enhanced to make more realistic and more long-term simulations feasible. Two strategies are combined: non-uniform grids and parallel processing. The communication through the hierarchy of non-uniform grids interferes with the inter-processor communication. We discuss load balance in the decomposition of the domain, I/O, and inter-processor communication. A model shows that the communication overhead for both techniques is very low, whence non-uniform grids allow for large speed-ups and high speed-up can be expected from parallelization. The implementation is in progress, and results of experiments will be reported elsewhere.
|Number of pages||10|
|Publication status||Published - 2002|
|Event||2nd Conference on Air Pollution Modelling and Simulation, APMS 2001 - Champs-sur-Marne, France|
Duration: 9 Apr 2001 → 12 Apr 2001
Conference number: 2
|Conference||2nd Conference on Air Pollution Modelling and Simulation, APMS 2001|
|Period||9/04/01 → 12/04/01|