Changes between Version 6 and Version 7 of 2020WP/ENHANCE-14_smueller_OSMOSIS_streamlining


Ignore:
Timestamp:
2020-10-23T10:43:54+02:00 (6 months ago)
Author:
smueller
Comment:

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  • 2020WP/ENHANCE-14_smueller_OSMOSIS_streamlining

    v6 v7  
    2626=== Implementation 
    2727 
    28 The development branch for 2019-WP action [[wiki:2019WP/VALID-02_GeorgeN-evalOSMOSIS|VALID-02_GeorgeN-evalOSMOSIS]] has recently been synchronized with source:/NEMO/trunk@12925 (changesets [12928] and [12934]). Thus, it should be readily possible to cleanly transfer the code developments made in action [[wiki:2019WP/VALID-02_GeorgeN-evalOSMOSIS|VALID-02_GeorgeN-evalOSMOSIS]] into a new development branch that branches off from an up-to-date version of source:/NEMO/trunk in order to form the basis for the source-code "streamlining" activities of action [[wiki:2020WP/ENHANCE-14_smueller_OSMOSIS_streamlining]]. 
     28The development branch for 2019-WP action [[wiki:2019WP/VALID-02_GeorgeN-evalOSMOSIS|VALID-02_GeorgeN-evalOSMOSIS]], source:/NEMO/branches/2019/dev_r11078_OSMOSIS_IMMERSE_Nurser/, has been synchronized with source:/NEMO/trunk@12925 (changesets [12928] and [12934]), and it should be readily possible to cleanly transfer the code developments made in action [[wiki:2019WP/VALID-02_GeorgeN-evalOSMOSIS|VALID-02_GeorgeN-evalOSMOSIS]] into a new development branch that branches off from an up-to-date version of source:/NEMO/trunk in order to form the basis for the source-code "streamlining" activities of action [[wiki:2020WP/ENHANCE-14_smueller_OSMOSIS_streamlining]]. 
    2929 
    3030The main purpose of action [[wiki:2020WP/ENHANCE-14_smueller_OSMOSIS_streamlining|ENHANCE-14_smueller_OSMOSIS_streamlining]] is the computational-efficiency enhancement of subroutine `zdf_osm` of module `zdfosm`. A preliminary analysis in the context of action [[wiki:2019WP/VALID-02_GeorgeN-evalOSMOSIS|VALID-02_GeorgeN-evalOSMOSIS]] suggested a substantial computational cost resulting from the replacement of the established vertical-mixing scheme by the version of the OSMOSIS surface-boundary-layer scheme developed in this 2019-WP action. In [[wiki:2020WP/ENHANCE-14_smueller_OSMOSIS_streamlining|ENHANCE-14_smueller_OSMOSIS_streamlining]], using a suitable model configuration, a detailed timing analysis of subroutine `zdf_osm` is planned to be carried out, followed by a thorough review of the source code of module `zdfosm`. Based on this analysis and the source-code review, an exploration of modifications with apparent potential to reduce computational cost of subroutine `zdf_osm`, followed by the implementation of suitable computational-efficiency improvements, is proposed.