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PERF: increase the minimum number of elements to use numexpr for ops from 1e4 to 1e6 #40502

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Merged
merged 4 commits into from
Mar 20, 2021
Merged

PERF: increase the minimum number of elements to use numexpr for ops from 1e4 to 1e6 #40502

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6216b94
PERF: increase the minimum number of elements to use numexpr for ops …
jorisvandenbossche Mar 18, 2021
2ffefc0
to 1e6
jorisvandenbossche Mar 19, 2021
8d5976e
update test
jorisvandenbossche Mar 19, 2021
4fe274f
Update pandas/core/computation/expressions.py
jorisvandenbossche Mar 19, 2021
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2 changes: 1 addition & 1 deletion pandas/core/computation/expressions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@
}

# the minimum prod shape that we will use numexpr
_MIN_ELEMENTS = 10000
_MIN_ELEMENTS = 1_000_000


def set_use_numexpr(v=True):
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2 changes: 1 addition & 1 deletion pandas/tests/test_expressions.py
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Expand Up @@ -12,7 +12,7 @@
)
from pandas.core.computation import expressions as expr

_frame = DataFrame(np.random.randn(10000, 4), columns=list("ABCD"), dtype="float64")
_frame = DataFrame(np.random.randn(1000000, 4), columns=list("ABCD"), dtype="float64")
_frame2 = DataFrame(np.random.randn(100, 4), columns=list("ABCD"), dtype="float64")
_mixed = DataFrame(
{
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