Improvements for High Resolution Ocean Research with NEMO | Zendy

Fredrik Unger | Zendy; Arne Biastoch | Zendy

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Improvements for High Resolution Ocean Research with NEMO

Author(s) -

Fredrik Unger,

Arne Biastoch

Publication year - 2009

Publication title -

interdisciplinary information sciences

Language(s) - English

Resource type - Journals

eISSN - 1347-6157

pISSN - 1340-9050

DOI - 10.4036/iis.2009.85

Subject(s) - workbench , computer science , code (set theory) , ranging , supercomputer , center (category theory) , research center , operating system , computational science , programming language , telecommunications , artificial intelligence , set (abstract data type) , visualization , chemistry , crystallography , medicine , pathology

NEMO is a fluid dynamics code used for oceanographic research. Within the TERAFLOP Workbench in cooperation with the Leibniz-Institut für Meereswissenschaften (IFM-GEOMAR) in Kiel a performance assessment and improvement campaign was carried out, ranging from MPI to memory addressing in solvers. At The High Performance Computing Center Stuttgart (HLRS) tests were made using a large configuration of SX nodes running NEMO at 2.1 Teraflop/s. The improved code is running the test case 29% faster on 512 SX-8 CPUs

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