2-Slurm/2.1-Batch-job-submission.md

@@ -51,11 +51,16 @@ The `$SCRATCHDIR` is automatically destroyed at the end of the job: **do not for
 *  Accessible to all users via the uppa account.
 *  The number of concurrently allocated cores per user cumulated over the two partitions is limited to 32. This means that if you have 64 cores running on short and standard (cumulated), your subsequent jobs will pend until some of your running jobs end. 
 
-### Special partitions: free, bigmem, gpu
-*  Every user is member of the free and bigmem accounts. These accounts are needed to access the free and bigmem partitions, respectively.
+### Special partitions: free, bonus, bigmem, gpu
+*  Every user is member of the free, bonus and bigmem accounts. These accounts are needed to access the free, bonus and bigmem partitions, respectively.
 *  The gpu partition is only accessible to the members of the gpu account.
 *  The number of concurrently allocated cores per user on the free partition is limited to 64.
-*  The number of concurrently allocated cores per user on the bigmem and gpu partitions is not limited.
+*  The number of concurrently allocated cores per user on the bonus, bigmem and gpu partitions is not limited.
+*  The bonus partition is well suited:
+** To launch a large number of jobs. 
+** To run on a large number of cores.
+** Especially when the cluster occupation is low (limits the risk for the bonus job to be requeued by the preemption mechanism).
+** For jobs who can be restarted (in order not to completely start over the simulation if the bonus job is requeued by the preemption mechanism).
 
 ## Usual Slurm user commands
 Submit a job: