Fortuna 2.4 User's Guide: Difference between revisions

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When the script <code>gcm_run.j</code> starts running, it creates a directory called <code>scratch</code> and copies or links into it the model executable, rc files, restarts and boundary conditions necessary to run the model. It also creates a directory for each of the output collections (in the default setup with the suffix <code>geosgcm_</code>) in the directory <code>holding</code> for before post-processing, and in the experiment directory for after post-processing. It also tars the restarts and moves the tarball to the <code>restarts</code> directory.

Then the executable <code>GEOSgcm.x</code> is run in the <code>scratch</code> directory, starting with the date in <code>cap_restart</code> and running for the length of a segment. A segment is the length of model time that the model integrates before returning, letting <code>gcm_run.j</code> do some housekeeping and then running another segment. A model job will typically run a number of segments before trying to resubmit itself.

Then the executable <code>GEOSgcm.x</code> is run in the <code>scratch</code> directory, starting with the date in <code>cap_restart</code> and running for the length of a segment. A segment is the length of model time that the model integrates before returning, letting <code>gcm_run.j</code> do some housekeeping and then running another segment. A model job will typically run a number of segments before trying to resubmit itself, ideally before the alloted wallclock time of the job runs out.

Part of the housekeeping that the script performs is illustrated below:

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 When the script <code>gcm_run.j</code> starts running, it creates a directory called  <code>scratch</code> and copies or links into it the model executable, rc files, restarts and boundary conditions necessary to run the model.  It also creates a directory for each of the output collections (in the default setup with the suffix <code>geosgcm_</code>) in the directory <code>holding</code> for before post-processing, and in the experiment directory for after post-processing.  It also tars the restarts and moves the tarball to the <code>restarts</code> directory.
-Then the executable  <code>GEOSgcm.x</code> is run in the <code>scratch</code> directory, starting with the date in  <code>cap_restart</code> and running for the length of a segment.  A segment is the length of model time that the model integrates before returning, letting <code>gcm_run.j</code> do some housekeeping and then running another segment.  A model job will typically run a number of segments before trying to resubmit itself.
+Then the executable  <code>GEOSgcm.x</code> is run in the <code>scratch</code> directory, starting with the date in  <code>cap_restart</code> and running for the length of a segment.  A segment is the length of model time that the model integrates before returning, letting <code>gcm_run.j</code> do some housekeeping and then running another segment.  A model job will typically run a number of segments before trying to resubmit itself, ideally before the alloted wallclock time of the job runs out.
+Part of the housekeeping that the script performs is illustrated below: