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<<  Broken pipe error in linux cluster, http://bb.cgd.ucar.edu//viewtopic.php?t=36 >>

PosterjmccaaPostedTue Oct 26, 2004 12:49 pm MDT, http://bb.cgd.ucar.edu//viewtopic.php?p=104#104
Message: Hi Cathy,
<br />
<br />MPI problems can be difficult to debug.   One reason for the model dying immediately is lack of memory for the MPI communications. 
<br />Do you have the environment variable P4_GLOBMEMSIZE set to a large value?  I have it set as follows:
<br />setenv P4_GLOBMEMSIZE 16777216
<br />
<br />I don't know exactly what this does, but have found it to be a prerequisite for the model to run on our clusters.  You have to either put this in your submission script or your .cshrc file so it gets picked up by the model.
<br />
<br />Jim

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