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[MRG] tree2array: more informative MemoryError #211

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ndawe merged 2 commits into from
Sep 6, 2015
Merged

[MRG] tree2array: more informative MemoryError #211

ndawe merged 2 commits into from
Sep 6, 2015

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@ndawe ndawe commented Sep 4, 2015

Example:

>>> from rootpy.io import root_open
>>> from root_numpy import tree2array
>>> f = root_open('/afs/cern.ch/user/q/qbuat/work/public/xtau_output/hadhad/v1/hhskim/hhskim.root')
>>> tree2array(f['PowhegPythiaEvtGen_P2012_ttbar_hdamp172p5_nonallhad'])
MemoryError: failed to allocate memory for 36.3 GB array of 14386982 records with 394 fields

ndawe added a commit that referenced this pull request Sep 6, 2015
@ndawe
Merge pull request #211 from ndawe/fix_array_alloc
5b3aa19 
[MRG] tree2array: more informative MemoryError
@ndawe ndawe merged commit 5b3aa19 into scikit-hep:master Sep 6, 2015
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