[Mvapich-discuss] PMI2 + Slurm Support in MVAPICH Spack?

[You, Zhi-Qiang]

Hi,

I am trying to enable the PMI2 variant in the MVAPICH Spack installation. However, this variant seems to conflict with Slurm support, as indicated in the package configuration:

https://github.com/spack/spack-packages/blob/develop/repos/spack_repo/builtin/packages/mvapich/package.py#L122

I have checked the MVAPICH documentation, and PMI2 appears to be supported:

https://mvapich-docs.readthedocs.io/en/mvapich-plus/cvar.html

Could someone confirm whether enabling this variant alongside Slurm is not feasible, or if there is a workaround?

Thank you for your help,
ZQ

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