[MITgcm-support] Problems with offline timing

[Jean-Michel Campin]

Hi,
Just to close this thread (talked to Ryan directly),
it was a bug in the older version (when offlineForcingPeriod 
is an odd multiple of deltaToffline).
Jean-Michel

On Wed, May 18, 2011 at 05:02:48PM -0400, Ryan Abernathey wrote:
> Hi,
> 
> I recently updated my code to the latest version from CVS. I am now
> having a problem with loading offline fields. It looks for a field
> that doesn't exist. (The data files have not changed.)
> 
>  EXTERNAL_FIELDS_LOAD,         0 : iP,iLd,i0,i1=  912    0  912    1
> ; Wght=  0.5000000000  0.5000000000
>  EXTERNAL_FIELDS_LOAD, it=         0 : Reading new data, i0,i1=  912
> 1 (prev=  912    0 )
>  OFFLINE_FIELDS_LOAD,         0 : iP,iLd,i0,i1=  911    0  912    1
> ; Wght=  0.5000000000  0.5000000000
>  OFFLINE_FIELDS_LOAD, it=         0 : Reading new data, i0,i1=  912
> 1 (prev=  911    0 )
> (PID.TID 0000.0001)  MDS_READ_FIELD: filename:
> ../../aviso_0.1_degree-corrected/uvelCorr.0000000912.data
> (PID.TID 0000.0001)  MDS_READ_FIELD: File does not exist
> 
> The data files are numbered uvelCorr.0000000000 -> uvelCorr.0000000911
> 
> This happens on the very first step, i.e. iter = 0.
> It is looking for file 912. Maybe it is not computing the
> offlineForcingCycle correctly.
> 
> Everything used to work fine before I updated the code.
> 
> data.off #########################
>  &OFFLINE_PARM01
>   UvelFile= '../../aviso_0.1_degree-corrected/uvelCorr',
>   VvelFile= '../../aviso_0.1_degree-corrected/vvelCorr',
>  &
> 
>  &OFFLINE_PARM02
>   offlineIter0=0,
>   deltaToffline=604800.,
>   offlineForcingPeriod=604800.,
>   offlineForcingCycle=551577600.,
>  &
> 
> relevant part of data ################
>  &PARM03
>  nIter0 = 0,
>  nTimeSteps = 138240,
>  deltaTtracer= 900.0,
>  deltaTClock = 900.0,
>  pChkptFreq=124416000.,
>  chkptFreq= 0.,
>  dumpFreq=  0.,
>  taveFreq=  0.,
>  monitorFreq= 0.,
>  periodicExternalForcing=.TRUE.,
>  externForcingPeriod=604800.,
>  externForcingCycle=551577600.,
>  &
> 
> Any ideas?
> 
> Thanks,
> Ryan
> 
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