Ticket 17793

Summary: Document that GPU binding may prevent GPU direct communication
Product: Slurm Reporter: Simon Byrne <simonbyrne>
Component: DocumentationAssignee: Jacob Jenson <jacob>
Status: OPEN --- QA Contact:
Severity: 6 - No support contract    
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Version: 23.11.x   
Hardware: Linux   
OS: Linux   
See Also: https://bugs.schedmd.com/show_bug.cgi?id=17875
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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