[mpas-developers] config_write_initial_output option

[Laura Fowler]

Mark:
Before Michael sent this e-mail, I also did check that it worked for the 
atmospheric core with "config_frames_per_outfile=1". In that case, the 
modifications that you made did work.
Laura


On 5/10/12 2:24 PM, Michael Duda wrote:
> Mark,
>
> I think this would be a useful option, though as currently implemented
> in the branch, I'm not sure that it would work as expected when there
> are multiple history frames written to the same file. I've also been
> looking at implementing this, and I have some changes to the IO layer to
> support appending time frames to an existing file that I think might be
> useful for a completely general implementation of the
> write_initial_output functionality. I can send these changes to you to
> take a look at, or I can merge them into the branch; just let me know.
>
> Michael
>
>
> On Thu, May 10, 2012 at 01:06:15PM -0600, Mark Petersen wrote:
>> MPAS Developers,
>>
>> I added the flag config_write_initial_output to all cores in the branch
>> ocean_projects/first_output_optional.  It simply controls if an output
>> file is written upon start-up.  The ocean core needs this for our large
>> runs, to save i/o and for simply time-averaged variables.  Because the
>> first file initialized in driver/mpas_subdriver.F, it affects all
>> cores.  In addition, it seems like a useful flag for everyone.
>>
>> I tested by compiling all four cores, and running with the ocean core.
>> Could someone run a little test with the atmospheric cores, switching
>> this flag on and off, and make sure it works as expected?  When I hear
>> back, I will merge the branch to the trunk.
>>
>> Thanks,
>> Mark
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-- 

!----------------------------------------------------
  Laura D. Fowler
  Mesoscale and Microscale Meteorology Division (MMM)
  National Center for Atmospheric Research
  P.O. Box 3000, Boulder CO 80307-3000

  e-mail: laura at ucar.edu
  phone : 303-497-1628

!----------------------------------------------------