[slurm-users] Multinode MPI job

Prentice Bisbal pbisbal at pppl.gov
Wed Mar 27 15:50:14 UTC 2019

On 3/27/19 11:25 AM, Christopher Samuel wrote:

> On 3/27/19 8:07 AM, Prentice Bisbal wrote:
>> sbatch -n 24 -w  Node1,Node2
>> That will allocate 24 cores (tasks, technically) to your job, and 
>> only use Node1 and Node2. You did not mention any memory requirements 
>> of your job, so I assumed memory is not an issue and didn't specify 
>> any in my command.
> Mahmood seemed to ask for 90GB on the first node and 20GB on the 
> second, which is I suspect why Rafael mentioned needing to use 
> heterogenous jobs to achieve this.

I interpreted that as his hardware configuration, not job requirements, 
but I think it's fair to say his problem statement was a bit vague.

> Mahmood, was your list of nodes the node configuration or what you 
> wanted the job to be able to use?
> All the best,
> Chris

More information about the slurm-users mailing list