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Make OMEGA_LOG_TASKS a runtime environment variable#429

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grnydawn:ykim/omega/logging
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Make OMEGA_LOG_TASKS a runtime environment variable#429
grnydawn wants to merge 1 commit into
E3SM-Project:developfrom
grnydawn:ykim/omega/logging

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@grnydawn

@grnydawn grnydawn commented Jun 3, 2026

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This PR replaces OMEGA_LOG_TASKS as a compile-time CMake option with a runtime environment variable for log task selection.

This feature was requested for integration with E3SM. It also allows users to change the MPI tasks that generate log files without rebuilding the Omega executable.

Testing passed on Perlmutter.

Checklist

  • Documentation:
  • Linting
  • Building
    • CMake build does not produce any new warnings from changes in this PR
  • Testing
    • Which machines CTest unit tests have been run on and indicate that are all passing.

@mark-petersen

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Passes CTests on Frontier for CPU and GPU.

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