Restart node changes

Henry18

New member
Hi,

I'm using run_wrf.pbs to run a WRF simulation. Originally, I use this parameter set in the .pbs file:

#PBS -l select=8:ncpus=30:mpiprocs=30:mem=64GB

But it was running slow, so when I restart this job I changed the parameters to increase node number:

#PBS -l select=16:ncpus=30:mpiprocs=30:mem=64GB

My question is will change the parameters during a simulation impact the consistency of WRF outputs, should we keep all parameters consistent throughout the simulation?

Thank you for your help!
Henry
 
Henry,
Changing the number of processors, in theory, shouldn't change the model outcome.
 
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