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Fix Nexus GPU jobs for NERSC/Perlmutter - #4699
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prckent
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August 15, 2023 14:43
prckent
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Aug 15, 2023
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Approving since it allows jobs to run!
However I suspect we might need to revisit this for effective multithreaded GPU offload. Did the environment variable change come as a recommendation from NERSC or through experimentation?
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The change is inferred from the job script examples given on the NERSC website and through testing. The jobs start but hang when the |
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I agree this should be revisited once a more efficient job specification is achieved. |
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Test this please |
ye-luo
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Aug 15, 2023
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Proposed changes
OMP_PROC_BINDandOMP_PLACESenvironment variables should not be set for GPU jobs. With this change, Nexus GPU jobs are running for me on Perlmutter.What type(s) of changes does this code introduce?
Does this introduce a breaking change?
What systems has this change been tested on?
NERSC/Perlmutter (Nexus tests are passing)
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