Near-global climate simulation at 1 km resolution: establishing a performance baseline on 4888 GPUs with COSMO 5.0

Fuhrer, Oliver; Chadha, Tarun; Hoefler, Torsten; Kwaśniewski, Grzegorz; Lapillonne, Xavier; Leutwyler, David; Lüthi, Daniel; Osuna, Carlos; Schär, Christoph; C. Schulthess, T.; Vogt, Hannes

doi:10.5194/gmd-11-1665-2018

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Near-global climate simulation at 1 km resolution: establishing a performance baseline on 4888 GPUs with COSMO 5.0

Published in Geoscientific model development • May 2, 2018

Authors:

Oliver Fuhrer

Tarun Chadha

Torsten Hoefler

Abstract

Abstract. The best hope for reducing long-standing global climate model biases is by increasing resolution to the kilometer scale. Here we present results from an ultrahigh-resolution non-hydrostatic climate model for a near-global setup running on the full Piz Daint supercomputer on 4888 GPUs (grap...

Subject

Computer science

Software portability

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