[MITgcm-support] coupler time averages writing frequency

David Ferreira dfer at mit.edu
Fri Jan 10 15:10:06 EST 2014


Hi Alexandre,
Are out talking about the cpl_tave.*.t001.nc files ?
If so, look at cpl_taveFreq in  rank_1/data.cpl
cheers,
david


On 1/10/14 5:35 PM, Alexandre Pohl wrote:
> Hi all,
>
> I am running the coupled MITgcm, and I have problems with the outputs. I first tried to use the meta/data output format, but the huge number of files that it produces exceeds my limitations in only 10 model-years (> 2Mo inodes).
>
> To solve my problem, I then decided to switch to MNC (netcdf) outputs. This time, the number of produced files is correct for me, but the model is so slow!
>
> I think that in each case, the main problem is the high writing frequency for the coupler time-averaged outputs. It creates a large number of meta/data files, and requires a lot of writing time when running the model with netcdf outputs.
>
> I am thus wondering if there is a way to reduce the coupler time averages writing frequency. I found no similar flag, contrary to the ocean and atmosphere that have this option in their input/data file… Or maybe somebody has another solution?
>
> Thank you in advance,
> Alexandre
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