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Pull requests: pandas-dev/pandas
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PERF: RangeIndex.round returns RangeIndex when possible Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF: RangeIndex.argmin/argmax Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF: Avoid np.divmod in maybe_sequence_to_range Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF: Categorical(range).categories returns RangeIndex instead of Index Categorical Categorical Data Type Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF: Allow ensure_index_from_sequence to return RangeIndex Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF: RangeIndex.__getitem__ with integers return RangeIndex Index Related to the Index class or subclasses Indexing Related to indexing on series/frames, not to indexes themselves Performance Memory or execution speed performance
PERF: Return RangeIndex columns instead of Index for str.partition with ArrowDtype Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF/CLN: Preserve Related to the Index class or subclasses Performance Memory or execution speed performance
concat(keys=range) RangeIndex level in the result Clean Index PERF: RangeIndex.take/reindex/join with single/no value returns RangeIndex Index Related to the Index class or subclasses Performance Memory or execution speed performance
Use memcpy / realloc more effectively in hashtable Performance Memory or execution speed performance
PERF: Return RangeIndex from RangeIndex.join when possible Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF: Return RangeIndex from RangeIndex.reindex when possible Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF: Return a RangeIndex from __getitem__ with a bool mask when possible Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF: Switch conditions in RangeIndex._shallow_copy Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF: Improve merge performance Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode Stale
#57559 by phofl was closed Apr 15, 2025 Loading…
5 tasks
PERF: Return RangeIndex from RangeIndex.join when possible Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF: Return RangeIndex columns in str.extract when possible Performance Memory or execution speed performance Strings String extension data type and string data
PERF: Add short circuiting to RangeIndex._shallow_copy Index Related to the Index class or subclasses Performance Memory or execution speed performance
PERF: Improve performance for fillna with datetime Datetime Datetime data dtype Performance Memory or execution speed performance
PERF: Improve performance for astype is view Copy / view semantics Performance Memory or execution speed performance
PERF: Return RangeIndex columns in str.extract when possible Performance Memory or execution speed performance Strings String extension data type and string data
#57465 by mroeschke was closed Feb 19, 2024 Loading…
PERF: DataFrame(ndarray) constructor ensure to copy to column-major layout Copy / view semantics Performance Memory or execution speed performance
PERF: use copy=False in constructor in unstack (CoW) Copy / view semantics Performance Memory or execution speed performance
#57458 by jorisvandenbossche was closed Feb 19, 2024 • Draft
ProTip! no:milestone will show everything without a milestone.