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Distributed standalone driver#1102

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jcanton wants to merge 553 commits intomainfrom
distributed_standalone_driver
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Distributed standalone driver#1102
jcanton wants to merge 553 commits intomainfrom
distributed_standalone_driver

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@jcanton jcanton commented Mar 10, 2026

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msimberg and others added 30 commits February 11, 2026 14:24
msimberg and others added 26 commits March 11, 2026 14:59
TODO: fix fixtures mess and gater to compare on internal only
* main:
  Scheduled Halo Exchange (#980)
  Add missing metrics fields to `test_parallel_grid_manager.py` test (#1114)
  Muphys: Lowering with single precision (#1101)
  Add single-rank lsq pseudoinv factory test (#1099)
  Cleanup Diffusion config (#1060)
  Fortran bindings: fix numpy allocation and cleanups (#1112)
  fix: fix gt4py metrics extractor in the StencilTest benchmarking (#1111)
  py2fgen: don't recompile if unchanged (#1110)
  CI for standalone_driver (#1070)
  Update mpi4py and pymetis groups to make them optional (#1100)
  Bump mshick/add-pr-comment from 2 to 3 (#1109)
  Use inout fields for full_muphys as well (#1108)
  Update GPU configuration for graupel (#1104)
  Move the mask of _q_t_update outside in graupel (#1093)
  Update gt4py to v1.1.7 (#1105)
  cleanup for ugly if condition of single node default in lsq coeffs (#1103)
Comment on lines +413 to +422
_warning_emitted: ClassVar[bool] = False
@classmethod
def _warn_if_used(cls, *, stacklevel: int = 3) -> None:
if not cls._warning_emitted:
warnings.warn(
"***** SingleNodeExchange is in use; HALO EXCHANGE IS RUNNING IN SINGLE-NODE *****",
RuntimeWarning,
stacklevel=stacklevel,
)
cls._warning_emitted = True
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TODO: remove before merging

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Mandatory Tests

Please make sure you run these tests via comment before you merge!

  • cscs-ci run default
  • cscs-ci run distributed

Optional Tests

To run benchmarks you can use:

  • cscs-ci run benchmark-bencher

To run tests and benchmarks with the DaCe backend you can use:

  • cscs-ci run dace

To run test levels ignored by the default test suite (mostly simple datatest for static fields computations) you can use:

  • cscs-ci run extra

For more detailed information please look at CI in the EXCLAIM universe.

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4 participants