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require all cores on the same node #177

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Merged
guillaumeeb merged 1 commit into from
Oct 17, 2018
Merged

require all cores on the same node #177

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4 changes: 4 additions & 0 deletions dask_jobqueue/lsf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -88,6 +88,10 @@ def __init__(self, queue=None, project=None, ncpus=None, mem=None, walltime=None
logger.info("ncpus specification for LSF not set, initializing it to %s" % ncpus)
if ncpus is not None:
header_lines.append('#BSUB -n %s' % ncpus)
if ncpus > 1:
# span[hosts=1] _might_ affect queue waiting
# time, and is not required if ncpus==1
header_lines.append('#BSUB -R "span[hosts=1]"')
if mem is None:
# Compute default memory specifications
mem = self.worker_memory
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