SLURM-Tasks and CPU's per task
From ALICE Documentation
Nodes, Tasks and CPU's per task
In Slurm terminology, a task is an instance of a running a program.
If your program supports communication across computers or you plan on running independent tasks in parallel, request multiple tasks with the following command. The default value is set to 1.
For more advanced programs, you can request, multiple nodes, multiple tasks and multiple CPUs per task and/or per nodes.
If you need multiple nodes, then you can define the number of nodes like this