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Ticket Diff – NEMO

Changes between Version 3 and Version 8 of Ticket #2009


Ignore:
Timestamp:
2019-05-15T16:09:11+02:00 (5 years ago)
Author:
epico
Comment:

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  • Ticket #2009

    • Property Wp_comment changed from The investigation activity about the optimisation techniques has been started. The activity will continue in the context of the IMMERSE project in 2019. to Developed a proof of concept for evaluating the introduction of the loop fusion approach.
    • Property Summary changed from HPC-01_HPCWG_singlecoreperf to HPC-02_Epicoco_Single Core Performance
    • Property Priority changed from normal to high

  • Ticket #2009 – Description

    v3 v8  
    771. Development of a portable tool to extract the hardware performance counters needed for the analysis of the NEMO single-core performance (done) 
    882. Analysis of memory-bounded routines on Met Office and CMCC systems (done) 
    9 3. Investigation of alternative approaches to improve data locality and vectorisation (ongoing) 
     93. Development of a proof of concept example regarding the loop fusion approach to enhance the cache reuse and the level of vectorization. Please refer to the slides (https://forge.ipsl.jussieu.fr/nemo/attachment/wiki/2019WP/HPC-02_Epicoco_SingleCorePerformance/HPC02_SingleCorePerformance_proof_of_concept.pdf) in the wiki page of the HPC02 action (done)  
     104. Planning the use of an extended halo region. 
     115. Evaluation of how the extended halo region impacts on the restart and input files (in progress)