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enhance custom easyblock for SuperLU to allow oversubscription when running tests #3885

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Merged
branfosj merged 2 commits into from
Aug 14, 2025
Merged

enhance custom easyblock for SuperLU to allow oversubscription when running tests #3885

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fc4c213
Allow superlu tests to oversubscribe
Aug 13, 2025
5ade88b
Update easybuild/easyblocks/s/superlu.py
casparvl Aug 13, 2025
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11 changes: 11 additions & 0 deletions easybuild/easyblocks/s/superlu.py
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Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,17 @@ def test_step(self):
"""
if self.cfg['runtest'] is None:
self.cfg['runtest'] = 'test'

# allow oversubscription of number of processes over number of available cores with OpenMPI 3.0 & newer,
# to avoid that some tests fail if only a handful of cores are available
ompi_ver = get_software_version('OpenMPI')
if LooseVersion(ompi_ver) >= LooseVersion('3.0') and LooseVersion(ompi_ver) < LooseVersion('5.0'):
if 'OMPI_MCA_rmaps_base_oversubscribe' not in self.cfg['pretestopts']:
self.cfg.update('pretestopts', "export OMPI_MCA_rmaps_base_oversubscribe=true && ")
if LooseVersion(ompi_ver) >= LooseVersion('5.0'):
if 'PRTE_MCA_rmaps_default_mapping_policy' not in self.cfg['pretestopts']:
self.cfg.update('pretestopts', "export PRTE_MCA_rmaps_default_mapping_policy=:oversubscribe && ")

super().test_step()

def install_step(self):
Expand Down