Articles | Volume 9, issue 6
Geosci. Model Dev., 9, 2115–2128, 2016
https://doi.org/10.5194/gmd-9-2115-2016

Special issue: Nucleus for European Modelling of the Ocean - NEMO

Geosci. Model Dev., 9, 2115–2128, 2016
https://doi.org/10.5194/gmd-9-2115-2016

Development and technical paper 10 Jun 2016

Development and technical paper | 10 Jun 2016

Performance and results of the high-resolution biogeochemical model PELAGOS025 v1.0 within NEMO v3.4

Italo Epicoco et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Italo Epicoco on behalf of the Authors (01 Apr 2016)  Author's response    Manuscript
ED: Publish as is (10 May 2016) by Andy Ridgwell
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Short summary
The present work aims at evaluating the scalability performance of a high-resolution global ocean biogeochemistry model (PELAGOS025) on massive parallel architectures and the benefits in terms of the time-to-solution reduction. The outcome of the analysis demonstrated that the lack of scalability is due to several factors such as the I/O operations, the memory contention, and the load unbalancing due to the memory structure of the biogeochemistry model component.