Ticket 17793 - Document that GPU binding may prevent GPU direct communication
Summary: Document that GPU binding may prevent GPU direct communication
Status: OPEN
Alias: None
Product: Slurm
Classification: Unclassified
Component: Documentation (show other tickets)
Version: 23.11.x
Hardware: Linux Linux
: 6 - No support contract
Assignee: Jacob Jenson
QA Contact:
URL:
Depends on:
Blocks:
 
Reported: 2023-09-27 10:32 MDT by Simon Byrne
Modified: 2023-10-10 07:21 MDT (History)
0 users

See Also:
Site: -Other-
Alineos Sites: ---
Atos/Eviden Sites: ---
Confidential Site: ---
Coreweave sites: ---
Cray Sites: ---
DS9 clusters: ---
HPCnow Sites: ---
HPE Sites: ---
IBM Sites: ---
NOAA SIte: ---
NoveTech Sites: ---
Nvidia HWinf-CS Sites: ---
OCF Sites: ---
Recursion Pharma Sites: ---
SFW Sites: ---
SNIC sites: ---
Linux Distro: ---
Machine Name:
CLE Version:
Version Fixed:
Target Release: ---
DevPrio: ---
Emory-Cloud Sites: ---

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this ticket.
Description Simon Byrne 2023-09-27 10:32:17 MDT 
GPU binding can prevent direct GPU-GPU communication via CUDA IPC. It would be helpful if this was documented somewhere:
https://github.com/open-mpi/ompi/issues/11949