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PERF: Cython 3.0 regression with frame constructor #55931

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Merged
merged 1 commit into from
Nov 13, 2023
Merged

PERF: Cython 3.0 regression with frame constructor #55931

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6 changes: 5 additions & 1 deletion pandas/_libs/lib.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,11 @@ def is_string_array(values: np.ndarray, skipna: bool = ...): ...
def is_float_array(values: np.ndarray, skipna: bool = ...): ...
def is_integer_array(values: np.ndarray, skipna: bool = ...): ...
def is_bool_array(values: np.ndarray, skipna: bool = ...): ...
def fast_multiget(mapping: dict, keys: np.ndarray, default=...) -> np.ndarray: ...
def fast_multiget(
mapping: dict,
keys: np.ndarray, # object[:]
default=...,
) -> np.ndarray: ...
def fast_unique_multiple_list_gen(gen: Generator, sort: bool = ...) -> list: ...
def fast_unique_multiple_list(lists: list, sort: bool | None = ...) -> list: ...
def map_infer(
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2 changes: 1 addition & 1 deletion pandas/_libs/lib.pyx
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Expand Up @@ -3088,7 +3088,7 @@ def to_object_array_tuples(rows: object) -> np.ndarray:

@cython.wraparound(False)
@cython.boundscheck(False)
def fast_multiget(dict mapping, ndarray keys, default=np.nan) -> np.ndarray:
def fast_multiget(dict mapping, object[:] keys, default=np.nan) -> np.ndarray:
cdef:
Py_ssize_t i, n = len(keys)
object val
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