This shows you the differences between two versions of the page.
Both sides previous revision Previous revision | |||
hpc:faq [2023/11/14 10:24] Yann Sagon [I'm leaving UNIGE, can I continue to use Baobab HPC service?] |
hpc:faq [2023/12/13 08:37] (current) Yann Sagon [Can I run interactive tasks ?] |
||
---|---|---|---|
Line 114: | Line 114: | ||
See [[hpc/ | See [[hpc/ | ||
+ | ==== I'm not able to use all the cores of a compute node ==== | ||
+ | Indeed, we are reserving two cores per node for system tasks such as data transfer, and os stuff. | ||
+ | |||
+ | < | ||
+ | (yggdrasil)-[root@admin1 ~]$ scontrol show node cpu001 | ||
+ | NodeName=cpu001 Arch=x86_64 CoresPerSocket=18 | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | |||
+ | </ | ||
+ | |||
+ | If you really need to use all the cores of a compute node, you can override this parameter: '' | ||
+ | |||
+ | ref: https:// | ||