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Pull requests list

PERF: Fix ASV CSV benchmarks IO CSV read_csv, to_csv Performance Memory or execution speed performance
#60689 by rhshadrach was merged Jan 9, 2025 Loading…
5 tasks
3.0
1
Backport PR #60461 on branch 2.3.x (PERF: improve construct_1d_object_array_from_listlike) Constructors Series/DataFrame/Index/pd.array Constructors Performance Memory or execution speed performance
#60483 by meeseeksmachine was merged Dec 3, 2024 Loading… 2.3
PERF: CategoricalDtype.update_dtype Categorical Categorical Data Type Performance Memory or execution speed performance
#59647 by mroeschke was merged Sep 5, 2024 Loading… 3.0
2
PERF: Only clear cached .levels when setting MultiIndex.names MultiIndex Performance Memory or execution speed performance
#59578 by mroeschke was merged Sep 3, 2024 Loading… 3.0
1
PERF: Native version of is_hashable hashing hash_pandas_object Performance Memory or execution speed performance Stale
#59565 by Tolker-KU was closed Oct 29, 2024 Loading…
1 of 5 tasks
14
PERF: Don't create a CategoricalIndex._engine in __contains__ if categories are RangeIndex Categorical Categorical Data Type Performance Memory or execution speed performance
#59178 by mroeschke was merged Jul 22, 2024 Loading… 3.0
1
Backport PR #58992 on branch 2.2.x (PERF: cache plotting date locators for DatetimeIndex plotting) Performance Memory or execution speed performance Visualization plotting
#59002 by meeseeksmachine was merged Jun 13, 2024 Loading… 2.2.3
PERF: cache plotting date locators for DatetimeIndex plotting Performance Memory or execution speed performance Visualization plotting
#58992 by mroeschke was merged Jun 13, 2024 Loading…
1 task done
2.2.3
1
5
PERF/CLN: Avoid ravel in plotting Performance Memory or execution speed performance Visualization plotting
#58973 by mroeschke was merged Jun 14, 2024 Loading… 3.0
1
PERF: Use reshape instead of ravel/flatten Code Style Code style, linting, code_checks Performance Memory or execution speed performance
#58972 by mroeschke was merged Jun 14, 2024 Loading… 3.0
1
PERF: Use shallow copies/defer copies in io IO Data IO issues that don't fit into a more specific label Performance Memory or execution speed performance
#58960 by mroeschke was merged Jun 14, 2024 Loading… 3.0
1
PERF: Only copy in plotting when needed Performance Memory or execution speed performance Visualization plotting
#58958 by mroeschke was merged Jun 14, 2024 Loading… 3.0
1
PERF: RangeIndex.value_counts/searchsorted/to_numpy Index Related to the Index class or subclasses Performance Memory or execution speed performance
#58376 by mroeschke was merged Apr 29, 2024 Loading… 3.0
1
PERF: Allow np.integer Series/Index to convert to RangeIndex Index Related to the Index class or subclasses Performance Memory or execution speed performance
#58016 by mroeschke was merged Apr 1, 2024 Loading… 3.0
2
PERF: (partial) fix for np_datetime.c performance regression Performance Memory or execution speed performance Stale
#57988 by dontgoto was closed May 15, 2024 Loading…
1 task done
8
PERF: DataFrame(dict) returns RangeIndex columns when possible Constructors Series/DataFrame/Index/pd.array Constructors Index Related to the Index class or subclasses Performance Memory or execution speed performance
#57943 by mroeschke was merged Mar 25, 2024 Loading… 3.0
1
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
#57752 by mroeschke was closed Mar 13, 2024 Loading… 3.0
1
Replace khash + tempita with khashl Performance Memory or execution speed performance Stale
#57730 by WillAyd was closed Apr 9, 2024 • Draft
3
PERF: Return RangeIndex from RangeIndex.join when possible Index Related to the Index class or subclasses Performance Memory or execution speed performance
#57651 by mroeschke was merged Mar 5, 2024 Loading… 3.0
1
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
13
PERF: Return RangeIndex from RangeIndex.join when possible Index Related to the Index class or subclasses Performance Memory or execution speed performance
#57543 by mroeschke was closed Feb 22, 2024 Loading… 3.0
2
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…
1
PERF: Avoid Series constructor in DataFrame(dict(...), columns=) DataFrame DataFrame data structure Performance Memory or execution speed performance
#57205 by mroeschke was merged Feb 24, 2024 Loading…
3 tasks
3.0
2
5
Backport PR #57078 on branch 2.2.x (54628 fix find stack level memory leak) Performance Memory or execution speed performance
#57105 by meeseeksmachine was merged Jan 27, 2024 Loading… 2.2.1
Backport PR #57034 on branch 2.2.x (REGR: perf regression in Series.combine_first) Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version
#57072 by meeseeksmachine was merged Jan 25, 2024 Loading… 2.2.1
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