Replace costly call to 'scontrol show config' with pmix env vars#204
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nvcastet wants to merge 1 commit intoNVIDIA:mainfrom
Open
Replace costly call to 'scontrol show config' with pmix env vars#204nvcastet wants to merge 1 commit intoNVIDIA:mainfrom
nvcastet wants to merge 1 commit intoNVIDIA:mainfrom
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I would have to look at it again, but there were good reason not to do this. |
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scontrol show configissues RPC calls to master node.When Slurm is configured with per-user RPC rate-limiting (
rl_enable), the command can be throttled causing a large variance in rank start times since it is called in a hook executed per rank.This PR leverages env variables to get the info for the PMI hook instead of calling
scontrol show config.CC @flx42 @3XX0