Simplify the SLURM hostfile setup #442
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This PR simplifies the SLURM explanation.
Hostfiles are now generated using slot notations.
This allows to run mpi without
-nas it scales to all available slots.The hostfiles now don't contain repeated hosts, as repeating hosts could still lead to double allocation of CPUs on nodes that used by multiple hostfiles.
@davidscn could you test these formats on the AMD cluster?
I also created a python version of the script to generate hostfiles for an active SLURM session. Is this actually useful, or is it easier to code the generation into the bash of the SLURM jobs? If it is useful, where should it go? In a gist, added to the website as a file, added as text, or added to a separate repo in the org?
https://gist.github.com/fsimonis/4e312c3875c276d96f358bb0ff8ce7a2