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Fix copy semantics bugs thus reduce copies and memory usage #20121

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Fix copy semantics bugs thus reduce copies and memory usage #20121

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Description

Closes #19810

This PR fixes copy semantics bugs that cause double copies.

Checklist

  • I am familiar with the Contributing Guidelines.
  • New or existing tests cover these changes.
  • The documentation is up to date with these changes.

@galipremsagar galipremsagar self-assigned this Sep 26, 2025
@galipremsagar galipremsagar requested a review from a team as a code owner September 26, 2025 16:41
@galipremsagar galipremsagar added the bug Something isn't working label Sep 26, 2025
@galipremsagar galipremsagar added 3 - Ready for Review Ready for review by team Python Affects Python cuDF API. non-breaking Non-breaking change labels Sep 26, 2025
@github-actions github-actions bot added the cudf.pandas Issues specific to cudf.pandas label Sep 26, 2025
@GPUtester GPUtester moved this to In Progress in cuDF Python Sep 26, 2025
mroeschke
mroeschke reviewed Sep 26, 2025
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mroeschke
mroeschke reviewed Sep 26, 2025
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mroeschke
mroeschke reviewed Sep 26, 2025
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mroeschke
mroeschke reviewed Sep 26, 2025
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mroeschke
mroeschke reviewed Sep 26, 2025
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@vyasr vyasr Awaiting requested review from vyasr vyasr is a code owner automatically assigned from rapidsai/cudf-python-codeowners

@bdice bdice Awaiting requested review from bdice bdice is a code owner automatically assigned from rapidsai/cudf-python-codeowners

@mroeschke mroeschke Awaiting requested review from mroeschke

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@galipremsagar galipremsagar

Labels
3 - Ready for Review Ready for review by team bug Something isn't working cudf.pandas Issues specific to cudf.pandas non-breaking Non-breaking change Python Affects Python cuDF API.
Projects
cuDF Python
Status: In Progress
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Development

Successfully merging this pull request may close these issues.

[BUG] Non-deterministic pass/fail behavior in tests/indexes/test_common.py
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@galipremsagar @mroeschke