llnl / llnl/Spindle

Can I run SPINDLE with OpenMPI launcher without MPIR?

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Description

I have question about SPINDLE with OpenMPI launcher.

Is there any way to use SPINDLE with OpenMPI launcher without MPIR?
For example, can SPINDLE run with PMIx instead of MPIR?

If there is no way currently, is there any plan to support PMIx?

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Review how the OpenMPI launcher currently uses MPIR, then determine whether PMIx can replace that path. Confirm whether a supported configuration already exists; otherwise define the scope of PMIx support and document the resulting behavior.

Written by the indexing model from the issue text.

Assessment

Domain
distributed-systems, hpc
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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