[MITgcm-devel] Problem in some adjoint experiments after load_fields_driver.F changes

Bruno Deremble bruno.deremble at ens.fr
Sat Sep 9 15:45:04 EDT 2017


Hi,

sorry about that.
I didn't try these tests because they were not supposed to be impacted by
this modification. maybe someone who knows the adjoint better than me has an
explanation?

looks like all the failed tests are related to sea ice?

bruno


On Saturday, Sep 09 2017, 14:02:20, Jean-Michel Campin <jmc at mit.edu> wrote:
> Hi,
>
> Not clear why, but after this (small) modification to load_fields_driver.F
> several AD test are now failing.
> There are also significant changes with tangent-linear test.
>
> Here are the list of (adm) experiments that change:
> After changes:
> < Sat Sep 9 00:15:09 EDT 2017
> < Y Y Y Y 16> 0<16 FAIL  1D_ocean_ice_column  (e=0, w=3)
> < Y Y Y Y 16> 2<16 FAIL  global_ocean.cs32x15.seaice
> < Y Y Y Y 16> 1<16 FAIL  global_ocean.cs32x15.seaice_dynmix
> < Y Y Y Y 16> 1<10 FAIL  global_ocean.cs32x15.thsice
> < Y Y Y Y 16> 0<16 FAIL  global_with_exf  (e=0, w=9)
> < Y Y Y Y 16> 2<16 FAIL  lab_sea  (e=0, w=8)
> < Y Y Y Y 13> 0< 6 FAIL  lab_sea.noseaice
> < Y Y Y Y 16> 5<16 FAIL  lab_sea.noseaicedyn
> < Y Y Y Y 16> 2<16 FAIL  offline_exf_seaice  (e=0, w=38)
> < Y Y Y Y 16> 5<16 FAIL  offline_exf_seaice.thsice
>
> Before:
>> Fri Sep 8 00:15:10 EDT 2017
>> Y Y Y Y 16>16<16 pass  1D_ocean_ice_column  (e=0, w=3)
>> Y Y Y Y 16>16<16 pass  global_ocean.cs32x15.seaice
>> Y Y Y Y 16>16<16 pass  global_ocean.cs32x15.seaice_dynmix
>> Y Y Y Y 16>16<10 pass  global_ocean.cs32x15.thsice
>> Y Y Y Y 16>16<16 pass  global_with_exf  (e=0, w=9)
>> Y Y Y Y 16>16<16 pass  lab_sea  (e=0, w=8)
>> Y Y Y Y 13>14< 6 pass  lab_sea.noseaice
>> Y Y Y Y 16>16<16 pass  lab_sea.noseaicedyn
>> Y Y Y Y 16>16<16 pass  offline_exf_seaice  (e=0, w=38)
>> Y Y Y Y 16>16<16 pass  offline_exf_seaice.thsice
>
> Cheers,
> Jean-Michel
>
> On Fri, Sep 08, 2017 at 10:42:28AM -0400, bderembl at forge.csail.mit.edu wrote:
>> Update of /u/gcmpack/MITgcm/model/src
>> In directory forge:/tmp/cvs-serv23380
>> 
>> Modified Files:
>> 	load_fields_driver.F 
>> Log Message:
>> removed IF ( .NOT.useCheapAML )  before EXTERNAL_FIELDS_LOAD. in case you need both cheapaml and SST/SSS restoring
>> 
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