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exclude mpi run from auto-detection of horovod #8610

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merged 4 commits into from
Jul 30, 2021
Merged

exclude mpi run from auto-detection of horovod #8610

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46ae295
fix
awaelchli Jul 29, 2021
2682187
update check
awaelchli Jul 29, 2021
335bf50
update changelog
awaelchli Jul 29, 2021
a1542b3
Merge branch 'master' into bugfix/horovodrun-detection
awaelchli Jul 30, 2021
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2 changes: 1 addition & 1 deletion pytorch_lightning/trainer/connectors/accelerator_connector.py
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Expand Up @@ -857,7 +857,7 @@ def check_horovod(self):
@staticmethod
def has_horovodrun() -> bool:
"""Returns True if running with `horovodrun` using Gloo or OpenMPI."""
return "OMPI_COMM_WORLD_RANK" in os.environ or "HOROVOD_RANK" in os.environ
return _HOROVOD_AVAILABLE and ("OMPI_COMM_WORLD_RANK" in os.environ or "HOROVOD_RANK" in os.environ)

def update_device_type_if_ipu_plugin(self) -> None:
# This allows the poptorch.Options that are passed into the IPUPlugin to be the source of truth,
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