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run.ppn
Simple shell script which calls job in an interactive shell environment.

ifsdata
Climate data fields used for T21 test integration. You should not move or rename this directory as the model will expect to find the climate files it needs in a directory of this name.

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titleTasks - Run model

 Run the model:

% ./run.ppn

What happens?

The model fails. Look at the standard output (or in the NODE_001.01 file when it is created) and find the subroutine traceback. Near the top of the traceback you will find the error messages.

Whenever the model fails, it will produce this traceback (controlled by DR_HOOK=1 in the job file).

Single process test

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Code Block
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  17:09:08 STEP    1 H=   0:10 +CPU=  0.276
           STEP    1 :## EC_MEMINFO    1 ccbppn01     309     206       0     16530     190    16080    1188     35807   61171      0.2   0.0 s/p
  17:09:08 STEP    2 H=   0:20 +CPU=  0.280
           STEP    2 :## EC_MEMINFO    1 ccbppn01     309     206       0     16530     190    16011    1188     35740   61170      0.2   0.0 s/p
  17:09:08 STEP    3 H=   0:30 +CPU=  0.268
           STEP    3 :## EC_MEMINFO    1 ccbppn01     309     206       0     16530     190    16008    1188     35734   61170      0.2   0.0 s/p
  17:09:09 STEP    4 H=   0:40 +CPU=  0.264
           STEP    4 :## EC_MEMINFO    1 ccbppn01     309     206       0     16530     190    15966    1188     35695   61170      0.2   0.0 s/p
  17:09:09 STEP    5 H=   0:50 +CPU=  0.268
           STEP    5 :## EC_MEMINFO    1 ccbppn01     309     206       0     16530     190    16008    1188     35734   61171      0.2   0.0 s/p
  17:09:09 STEP    6 H=   1:00 +CPU=  0.004
           STEP    6 :## EC_MEMINFO    1 ccbppn01     309     206       0     16530     190    16008    1188     35734   61171      0.2   0.0 s/p

This test runs only 6 a small number of timesteps.

Model output

The model writes its output to a several files.

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titleTask - run acceptance test

 To do the acceptance test, edit the namelists in fort.4 and look for the NAMCT0 namelist:

Code Block
&NAMCT0
 LREFOUT=false,
 NSTOP=6,

change the number of timesteps to 72 to run the model for 12 hours (assuming you have not changed the default timestep of 10mins at T21) and set the variable LREFOUT to TRUE:

Code Block
&NAMCT0
 LREFOUT=true,
 NSTOP=72,



With LREFOUT=true, at the last timestep OpenIFS will read the ref_021_0144 file and produce a new file: res_021_0144 (note the similar filenames!). The contents of the file should be similar to:

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