Changes between Version 2 and Version 3 of ParallelismPerformances


Ignore:
Timestamp:
2012-10-01T12:19:33+02:00 (12 years ago)
Author:
dsolyga
Comment:

--

Legend:

Unmodified
Added
Removed
Modified

  • ParallelismPerformances

    v2 v3  
    11= Parallelism performances of ORCHIDEE = 
    22 
    3  
    4 Work in progress. 
     3The performances of ORCHIDEE in parallel are very poor.  
     4Martial identified the problem with VampirTrace : see [wiki:BilanDepartMartial here]. 
     5Martial and Didier coded a patch in August 2012. You can find the results below. 
    56 
    67 
    7  * Optimization of moycum subroutine 
     8== ''' Set-up used :''' == 
     9  
     10 * Tests done on Curie, WORKDIR disk 
     11 * Jobs launched on large nodes, because of a potential bug affecting the counters for the thin nodes (TGCC, personal communication) 
     12 * Results shown : 8 PROCS, 16 PROCS, in percentage 
     13  
     14The aim was to diminished the time for writing the outputs, especially on the last processor. 
     15 
     16 
     17 
     18 
     19 
     20== Optimization of moycum subroutine == 
    821 
    922|| Number of processors  ||  moycum_std (%)  || moycum_index (%) || 
    … …  
    1326|| 48 || '''8,44% ''' ||  '''0,52%''' || 
    1427|| 96 || '''7,08% ''' ||  '''0,22% ''' || 
     28 
     29 
    1530 
    1631