test_pct_max_many_rows fails on intel 32bit with memory error · Issue #25384 · pandas-dev/pandas (original) (raw)

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Description

Pytest output from the two failing tests:

[ 3680s] =================================== FAILURES ===================================
[ 3680s] _______________________ TestRank.test_pct_max_many_rows ________________________
[ 3680s] 
[ 3680s] self = <pandas.tests.frame.test_rank.TestRank object at 0x54f6d7ec>
[ 3680s] 
[ 3680s]     @pytest.mark.single
[ 3680s]     def test_pct_max_many_rows(self):
[ 3680s]         # GH 18271
[ 3680s]         df = DataFrame({'A': np.arange(2**24 + 1),
[ 3680s]                         'B': np.arange(2**24 + 1, 0, -1)})
[ 3680s] >       result = df.rank(pct=True).max()
[ 3680s] 
[ 3680s] ../../BUILDROOT/python-pandas-0.24.1-13.1.i386/usr/lib/python2.7/site-packages/pandas/tests/frame/test_rank.py:317: 
[ 3680s] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
[ 3680s] ../../BUILDROOT/python-pandas-0.24.1-13.1.i386/usr/lib/python2.7/site-packages/pandas/core/generic.py:8335: in rank
[ 3680s]     return ranker(self)
[ 3680s] ../../BUILDROOT/python-pandas-0.24.1-13.1.i386/usr/lib/python2.7/site-packages/pandas/core/generic.py:8327: in ranker
[ 3680s]     pct=pct)
[ 3680s] ../../BUILDROOT/python-pandas-0.24.1-13.1.i386/usr/lib/python2.7/site-packages/pandas/core/algorithms.py:861: in rank
[ 3680s]     ascending=ascending, na_option=na_option, pct=pct)
[ 3680s] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
[ 3680s] 
[ 3680s] >   ranks = np.empty((n, k), dtype='f8')
[ 3680s] E   MemoryError
[ 3680s] 
[ 3680s] pandas/_libs/algos_rank_helper.pxi:806: MemoryError
[ 3680s] ____________________________ test_pct_max_many_rows ____________________________
[ 3680s] 
[ 3680s]     @pytest.mark.single
[ 3680s]     def test_pct_max_many_rows():
[ 3680s]             # GH 18271
[ 3680s]             s = Series(np.arange(2**24 + 1))
[ 3680s] >           result = s.rank(pct=True).max()
[ 3680s] 
[ 3680s] ../../BUILDROOT/python-pandas-0.24.1-13.1.i386/usr/lib/python2.7/site-packages/pandas/tests/series/test_rank.py:505: 
[ 3680s] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
[ 3680s] ../../BUILDROOT/python-pandas-0.24.1-13.1.i386/usr/lib/python2.7/site-packages/pandas/core/generic.py:8335: in rank
[ 3680s]     return ranker(self)
[ 3680s] ../../BUILDROOT/python-pandas-0.24.1-13.1.i386/usr/lib/python2.7/site-packages/pandas/core/generic.py:8327: in ranker
[ 3680s]     pct=pct)
[ 3680s] ../../BUILDROOT/python-pandas-0.24.1-13.1.i386/usr/lib/python2.7/site-packages/pandas/core/algorithms.py:857: in rank
[ 3680s]     na_option=na_option, pct=pct)
[ 3680s] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
[ 3680s] 
[ 3680s] >   sorted_data = values.take(_as)
[ 3680s] E   MemoryError
[ 3680s] 
[ 3680s] pandas/_libs/algos_rank_helper.pxi:712: MemoryError
[ 3681s] =============================== warnings summary ===============================

Full build log:
pandas.txt