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user/flavoni/libIGCM_v3.4/parallelpage_3_4 – NEMO
wiki:user/flavoni/libIGCM_v3.4/parallelpage_3_4

Version 1 (modified by flavoni, 11 years ago) (diff)

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How to make a parallel run for nemo v3_4

    1. How to make a parallel run for nemo v3_4
      1. CONTROL key_mpp_mpi
      2. Configure config.card
      3. On ada

CONTROL key_mpp_mpi

  • Control that you have in your cpp_ORCA2_LIM3.fcm file key_mpp_mpi (normally it is present by default): 
    "key_mpp_mpi"

Configure config.card

  • Set same number of processors at compiling time in ORCA2_LIM/IGCM00/config.card: : 
     #-- Total Number of Processors 
 JobNumProcTot=#proc at compiling time
  • Set a frequency for offline rebuild compatible with PeriodLength? 
    RebuildFrequency=1Y

On ada

  • Enable multi NQS class : 
    #-- PBS Class (required on brodie mono/multi)
JobClass=multi
  • Enable run multi processors option in ORCA2_LIM/IGCM00/config.card: : 
     #-- Run Options :
 JobRunOptions='"-np "${BATCH_NUM_PROC_TOT}"'