To execute non-interactive work on Pyrene, users can request resources from the cluster computing nodes by submitting batch jobs.
To execute non-interactive work on Pyrene, users can request resources from the cluster computing nodes by submitting batch jobs.
The [Slurm](https://slurm.schedmd.com) scheduler manages the resource allocations for submitted batch jobs on Pyrene:
The [Slurm](https://slurm.schedmd.com) scheduler manages the resource allocations for submitted batch jobs on Pyrene:
* The cluster nodes are put in **partitions**, depending on their hardware characteristics and the policy defined to used them.
* The cluster nodes are put in **partitions**, depending on their hardware characteristics and the policy defined to use them.
* Partitions are accessible by **accounts**, representing group of users granted with some permissions.
* Partitions are accessible by **accounts**, representing group of users granted with some permissions.
A resource allocation must specify a partition, an account, and other parameters such as the maximal execution time, the number of cores and the maximal used memory of the job. These Slurm parameters are written in **job scripts** and submitted to Slurm with the `sbatch` command:
A resource allocation must specify a partition, an account, and other parameters such as the maximal execution time, the number of cores and the maximal used memory of the job. These Slurm parameters are written in **job scripts** and submitted to Slurm with the `sbatch` command:
