7da4b3569f
* py-bluepyemodel: new package with dependencies
* py-morphio: add MPI as dependency to avoid failing builds
* Formatting
* py-bluepyefe: no need to set NEURON_INIT_MPI
* py-morphio: unifurcation branch is ancient history
* py-bluepyopt: only set NEURON_INIT_MPI with +neuron
* py-efel: get rid of old version
* py-morph{-tool,io}: rename develop to master to match branch
* py-bluepyefe: unset PMI_RANK is also neuron-related
* py-bluepyopt: PMI_RANK is also neuron-related
* Implement review remarks
* py-morph-tool, py-neurom: small fixes
* py-morphio: reword dependencies
18 lines
695 B
Diff
18 lines
695 B
Diff
diff --git a/bluepyopt/ephys/simulators.py b/bluepyopt/ephys/simulators.py
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index e71ad8b..3c93237 100644
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--- a/bluepyopt/ephys/simulators.py
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+++ b/bluepyopt/ephys/simulators.py
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@@ -89,6 +89,12 @@ class NrnSimulator(object):
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NrnSimulator._nrn_disable_banner()
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self.banner_disabled = True
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+ # certain mpi libraries (hpe-mpt) use PMI_RANK env variable to initialize
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+ # MPI before calling MPI_Init (which is undesirable). Unset this variable
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+ # if exist to avoid issue with loading neuron and mechanism library.
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+ if 'PMI_RANK' in os.environ:
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+ os.environ.pop("PMI_RANK")
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+
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import neuron # NOQA
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return neuron
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