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[REVIEW] Add backend for percentile_lookup dispatch #9118

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Update python/dask_cudf/dask_cudf/backends.py
galipremsagar authored Aug 25, 2021
commit f20463f69351a3ebfbffd8f9da42ea9a8afb0869
10 changes: 5 additions & 5 deletions python/dask_cudf/dask_cudf/backends.py
Original file line number Diff line number Diff line change
@@ -260,13 +260,13 @@ def is_categorical_dtype_cudf(obj):

try:
try:
from dask.array.dispatch import (
percentile_lookup as percentile_dispatch,
)
from dask.array.dispatch import percentile_lookup
except ImportError:
from dask.dataframe.dispatch import percentile_dispatch
from dask.dataframe.dispatch import (
percentile_dispatch as percentile_lookup,
)

@percentile_dispatch.register((cudf.Series, cp.ndarray, cudf.Index))
@percentile_lookup.register((cudf.Series, cp.ndarray, cudf.Index))
def percentile_cudf(a, q, interpolation="linear"):
# Cudf dispatch to the equivalent of `np.percentile`:
# https://numpy.org/doc/stable/reference/generated/numpy.percentile.html