How to choose specific node features
| Description | Use the --constraint option of Slurm |
|---|---|
| Author | ndomassi TANDO (ndomassi.tando@ird.fr) |
| Creation Date | 01/02/2024 |
| Last Modified Date | 06/02/2024 |
Reserving one or several cores of a node using --constraint option:
Features/Constraints allow users to make very specific requests to the scheduler. On our cluster, with have different features depending on what you need.
| Features | Description | Nodes |
|---|---|---|
| 512 | allows to select 512 GB RAM memory nodes in highmem partition | node5, node28,node29,node30 |
| avx | allows to select nodes with avx processors | node0, node1, node4, node5, node7, node17, node18, node20, node21, node22, node23, node24, node25, node26, node27, node28, node29, node31 |
| BEAST | allows to select nodes to use BEAST with beagle | node4, node7, node28, node29, node30 |
| dell | allows to select dell nodes | node28,node29,node30 |
| geforce | allows to choose gpu nodes with geforce graphical card | node26 |
| infiniband | allows to select infiniband nodes to speed up your data transfer | node0, node1, node4, node5, node7, node8, node11, node17, node20, node21, node22, node24, node25, node26, node27 |
| rtx2080 | allows to select nodes with rtx2080 gpu cards | node26 |
| xeon | allows to select nodes with intel xeon processors | node0, node1, node5,node8, node10, node11, node12, node13, node14, node15, node16, node17, node18, node20, node21, node22, node23, node24, node25, node27 |
| xeon-gold | allows to select nodes with intel xeon-gold processors | node4, node7, node26, node28, node29, node30, node31 |
To see the available features per nodes, type the following command:
sinfo -o "%20N %10c %10m %40f %10G "
To use one o several features, you have to use the --constraint option
For example, to choose a node with avx processors , you will type:
srun constraint=avx --pty bash -i
For example, to choose a node with infiniband and 512 GB of ram on highmem partition, you will type:
srun -p highmem --constraint=512,infiniband --pty bash -i
