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gh-114264: Optimize performance of copy.deepcopy by adding a fast path for atomic types #114266

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Merged
serhiy-storchaka merged 23 commits into from
Jun 7, 2024
Merged

gh-114264: Optimize performance of copy.deepcopy by adding a fast path for atomic types #114266

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Optimize performance of copy.deepcopy by adding a fast path for atomi…
eendebakpt Jan 18, 2024
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put d variable back
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Merge branch 'deepcopy_atomic_types' of github.com:eendebakpt/cpython…
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Merge branch 'main' into deepcopy_atomic_types
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Merge branch 'main' into deepcopy_atomic_types
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Merge branch 'main' into deepcopy_atomic_types
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Merge branch 'main' into deepcopy_atomic_types
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Merge branch 'main' into deepcopy_atomic_types
eendebakpt Mar 18, 2024
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Merge branch 'main' into deepcopy_atomic_types
eendebakpt Mar 29, 2024
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improve performance of _deepcopy_list with a list comprehension
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avoid generation of exception in _deepcopy_tuple
eendebakpt Apr 13, 2024
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Merge branch 'main' into deepcopy_atomic_types
eendebakpt Apr 13, 2024
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revert comprehension changes
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Merge branch 'deepcopy_atomic_types' of github.com:eendebakpt/cpython…
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Merge branch 'main' into deepcopy_atomic_types
eendebakpt Apr 20, 2024
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Update Lib/copy.py
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Merge branch 'main' into deepcopy_atomic_types
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Merge branch 'main' into deepcopy_atomic_types
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Merge branch 'main' into deepcopy_atomic_types
eendebakpt Jun 1, 2024
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Update Lib/copy.py
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@eendebakpt
eendebakpt authored May 1, 2024
commit 4bc74d3fda5c39bcecdd5bebcf909477dcc4a6da
1 change: 0 additions & 1 deletion Lib/copy.py
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Expand Up @@ -187,7 +187,6 @@ def _deepcopy_list(x, memo, deepcopy=deepcopy):

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d[list] = _deepcopy_list

_nil = object()

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def _deepcopy_tuple(x, memo, deepcopy=deepcopy):
y = [deepcopy(a, memo) for a in x]
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