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No need to call _copy_overlapping if src and dst address same memory #1284

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Merged
oleksandr-pavlyk merged 1 commit into from
Jul 17, 2023
Merged

No need to call _copy_overlapping if src and dst address same memory #1284

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5 changes: 5 additions & 0 deletions dpctl/tensor/_copy_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -213,6 +213,11 @@ def _copy_same_shape(dst, src):
"""Assumes src and dst have the same shape."""
# check that memory regions do not overlap
if ti._array_overlap(dst, src):
if src._pointer == dst._pointer and (
src is dst
or (src.strides == dst.strides and src.dtype == dst.dtype)
):
return
_copy_overlapping(src=src, dst=dst)
return

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