The rate per GB of RAM is chosen so that using either all the CPUs or all the RAM on a basic node costs the same 40 billing units.
== What if I have more than one account or Why the funny word, QoS? ==
A user typically only You may well ask, "Why have QoSs at all, why not just use accounts?" That has access to one do with Slurm internals. We would like you to be able to think in terms of a "bank account and one QoS" of computing time, and your jobs are automatically associated with but to implement that account and we had to use Slurm's QoSmechanism. You could have more than one If we were then to call a QoS a "bank account if", for examplewhen the term "account" in Slurm means something slightly different but closely related, your firm made two separate contracts with ACENET for separate projects, and you are working on both, or that would cause great confusion if you were a freelancer and working for two different firms with ACENET contracts. In that case it will be up to when you ever have to assign each job you submit to consult the correct QoS using the --qos= option to sbatch, salloc, or srungeneric Slurm documentation at https://slurm.schedmd.com.
== Why the funny word, What if I have more than one account or QoS? ==
You may well ask, "Why have QoSs at all, why not just use accounts?" That A user typically only has access to do with Slurm internals. We would like you to be able to think in terms of a "bank one account" of computing timeand one QoS, but to implement and your jobs are automatically associated with that we had to use Slurm's account and QoS mechanism. If we were then to call a QoS a "bank You could have more than one account"if, when the term "account" in Slurm means something slightly different but closely relatedfor example, your firm made two separate contracts with ACENET for separate projects, and you are working on both, that would cause great confusion or if you were a freelancer and when working for two different firms with ACENET contracts. In that case it will be up to you ever have to consult assign each job you submit to the correct QoS using the generic Slurm documentation at https://slurm.schedmd.com--qos= option to sbatch, salloc, or srun.