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Avoid hwloc version conflicts by forcing pocl to load before mpi4py #169

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Dec 8, 2020
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Avoid hwloc version conflicts by forcing pocl to load before mpi4py #169

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Avoid hwloc version conflicts by forcing pocl to load before mpi4py
matthiasdiener Dec 6, 2020
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matthiasdiener Dec 6, 2020
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6 changes: 6 additions & 0 deletions mirgecom/mpi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,12 @@ def wrapped_func(*args, **kwargs):
raise RuntimeError("mpi4py.MPI imported before designated MPI entry "
"point. Check for prior imports.")

# Avoid hwloc version conflicts by forcing pocl to load before mpi4py
# (don't ask). See https://github.com/illinois-ceesd/mirgecom/pull/169
# for details.
import pyopencl as cl
cl.get_platforms()

# Avoid https://github.com/illinois-ceesd/mirgecom/issues/132 on
# some MPI runtimes.
import mpi4py
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