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yellowstone bug in cesm2 beta01 through beta04 performance issue

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jedwards
yellowstone bug in cesm2 beta01 through beta04 performance issue

In cesm2_0_beta01 - beta04 there is a bug which affects performance of the model

the environment variable MP_EAGER_LIMIT which is expected to be set only when DEBUG=TRUE is being set for all runs.

To workaround the problem in these version edit the case file env_mach_specific.xml and remove the lines

 
  <environment_variables debug="true">
    <env name="MP_EAGER_LIMIT">0</env>
  </environment_variables>

CESM Software Engineer

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