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PERF: avoid array allocation in MultiIndex get_loc
#125opened 10-04 10:06 by pandas-bot· merged 10-04 10:06session 10-04 09:53
0
PERF: short-circuit leading categorical membership
#124opened 10-04 09:51 by pandas-bot· merged 10-04 09:51session 10-04 09:03
0
PERF: inline trivial timestamp localization
#123opened 10-04 09:01 by pandas-bot· merged 10-04 09:02session 10-04 08:56
0
PERF: cache extension dtype string resolution
#122opened 10-04 08:53 by pandas-bot· merged 10-04 08:54session 10-04 08:45
1
PERF: avoid array wrapper in Series memory_usage
#121opened 10-04 08:43 by pandas-bot· merged 10-04 08:43session 10-04 08:37
0
PERF: skip identical axis reassignment
#120opened 10-04 08:35 by pandas-bot· merged 10-04 08:35session 10-04 08:30
0
PERF: return 1-D transpose property directly
#119opened 10-04 08:28 by pandas-bot· merged 10-04 08:28session 10-04 08:23
0
PERF: construct DataFrame head and tail copies directly
#118opened 10-04 07:23 by pandas-bot· merged 10-04 07:23session 10-04 07:17
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PERF: construct Series head and tail copies directly
#117opened 10-04 07:15 by pandas-bot· merged 10-04 07:15session 10-04 07:08
0
PERF: skip empty transpose argument validation
#116opened 10-04 07:06 by pandas-bot· merged 10-04 07:06session 10-04 07:00
0
PERF: access Series dtypes directly
#115opened 10-04 06:48 by pandas-bot· merged 10-04 06:48session 10-04 06:42
0
PERF: access Series size directly
#114opened 10-04 06:40 by pandas-bot· merged 10-04 06:40session 10-04 06:33
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PERF cache array in memory usage
#113opened 10-04 06:18 by pandas-bot· merged 10-04 06:18session 10-04 06:10
0
PERF: access Series array directly
#112opened 10-04 06:08 by pandas-bot· merged 10-04 06:08session 10-04 06:02
0
PERF: construct Series null alias results directly
#111opened 10-04 06:00 by pandas-bot· merged 10-04 06:00session 10-04 05:54
0
PERF access Series dtype directly
#110opened 10-04 05:44 by pandas-bot· merged 10-04 05:45session 10-04 05:38
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PERF access Series nbytes directly
#109opened 10-04 05:27 by pandas-bot· merged 10-04 05:27session 10-04 05:21
0
PERF fast-path default Series to_numpy
#108opened 10-04 05:04 by pandas-bot· merged 10-04 05:04session 10-04 04:51
0
PERF convert Series to lists directly
#107opened 10-04 04:49 by pandas-bot· merged 10-04 04:49session 10-04 04:43
0
PERF resolve iterator values once
#106opened 10-04 04:32 by pandas-bot· merged 10-04 04:32session 10-04 04:26
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PERF extract Index item directly
#105opened 10-04 04:24 by pandas-bot· merged 10-04 04:24session 10-04 04:16
0
PERF extract Series item directly
#104opened 10-04 04:14 by pandas-bot· merged 10-04 04:14session 10-04 04:07
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PERF iterate Series items directly
#103opened 10-04 04:04 by pandas-bot· merged 10-04 04:05session 10-04 03:59
0
PERF iterate DataFrame columns directly
#102opened 10-04 03:57 by pandas-bot· merged 10-04 03:57session 10-04 03:51
0
PERF access DataFrame columns directly in keys
#101opened 10-04 03:49 by pandas-bot· merged 10-04 03:50session 10-04 03:41
0
PERF access Series axis directly in keys
#100opened 10-04 03:12 by pandas-bot· merged 10-04 03:12session 10-04 03:07
0
PERF: speed up Series axes access
#99opened 10-04 02:50 by pandas-bot· merged 10-04 02:50session 10-04 02:44
0
PERF access Index missing mask directly in notna
#98opened 10-04 02:42 by pandas-bot· merged 10-04 02:42session 10-04 02:32
0
BUG preserve attrs in DataFrame.nunique
#97opened 10-04 02:30 by pandas-bot· merged 10-04 02:30session 10-04 02:26
0
PERF slice head and tail directly
#96opened 10-04 02:21 by pandas-bot· merged 10-04 02:22session 10-04 02:13
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PERF access manager axes directly in len
#95opened 10-04 02:11 by pandas-bot· merged 10-04 02:12session 10-04 02:05
0
PERF construct Series missing masks directly
#94opened 10-04 02:03 by pandas-bot· merged 10-04 02:03session 10-04 01:57
0
PERF avoid boxing Series in hasnans
#93opened 10-04 01:54 by pandas-bot· merged 10-04 01:55session 10-04 01:49
0
PERF use count_nonzero for Series.count
#92opened 10-04 01:47 by pandas-bot· merged 10-04 01:47session 10-04 01:34
0
PERF dispatch boolean Series reductions directly
#91opened 10-04 01:27 by pandas-bot· merged 10-04 01:27session 10-04 01:13
0
PERF dispatch masked pair true division directly
#90opened 10-04 00:45 by pandas-bot· merged 10-04 00:45session 10-04 00:40
0
PERF dispatch masked pair bitwise ops directly
#89opened 10-04 00:38 by pandas-bot· merged 10-04 00:38session 10-04 00:31
0
PERF avoid warning context for masked array comparisons
#88opened 10-04 00:29 by pandas-bot· merged 10-04 00:29session 10-04 00:25
0
PERF dispatch masked array arithmetic directly
#87opened 10-04 00:11 by pandas-bot· merged 10-04 00:11session 10-04 00:04
0
PERF avoid warning context for masked numeric comparisons
#86opened 10-04 00:02 by pandas-bot· merged 10-04 00:02session 10-03 23:57
0
PERF dispatch masked scalar arithmetic directly
#85opened 10-03 23:55 by pandas-bot· merged 10-03 23:55session 10-03 23:49
0
PERF specialize BooleanArray scalar logical ops
#84opened 10-03 23:32 by pandas-bot· merged 10-03 23:32session 10-03 23:25
0
PERF avoid copying RangeIndex boolean positions
#83opened 10-03 23:23 by pandas-bot· merged 10-03 23:23session 10-03 23:16
0
PERF count ndarray-backed extension values directly
#82opened 10-03 23:13 by pandas-bot· merged 10-03 23:14session 10-03 23:08
0
PERF reuse dtype while boxing PeriodArray
#81opened 10-03 23:06 by pandas-bot· merged 10-03 23:06session 10-03 22:51
0
PERF box PeriodArray values in Cython
#80opened 10-03 22:49 by pandas-bot· merged 10-03 22:49session 10-03 22:43
0
PERF bypass searchsorted coercion when unnecessary
#79opened 10-03 22:35 by pandas-bot· merged 10-03 22:35session 10-03 22:28
0
PERF avoid index concatenation in DataFrame.memory_usage
#78opened 10-03 22:26 by pandas-bot· merged 10-03 22:26session 10-03 22:19
0
PERF vectorize corrwith for dense float64 frames
#77opened 10-03 22:17 by pandas-bot· merged 10-03 22:17session 10-03 22:11
0
PERF avoid result index construction in groupby len
#76opened 10-03 22:08 by pandas-bot· merged 10-03 22:09session 10-03 21:57
0
PERF fastpath joins onto unique indexes
#75opened 10-03 21:48 by pandas-bot· merged 10-03 21:49session 10-03 21:43
0
PERF speed up empty-data Series construction
#74opened 10-03 21:27 by pandas-bot· merged 10-03 21:28session 10-03 21:21
0
PERF speed up monotonic integer factorization
#73opened 10-03 21:19 by pandas-bot· merged 10-03 21:19session 10-03 21:12
0
PERF speed up scalar Series getitem
#72opened 10-02 21:29 by pandas-bot· merged 10-02 21:29session 10-02 21:21
0
PERF: speed up pd.array with boolean dtype
#71opened 10-02 21:14 by pandas-bot· merged 10-02 21:15session 10-02 21:08
1
PERF: speed up Index shape access
#70opened 10-02 21:06 by pandas-bot· merged 10-02 21:06session 10-02 20:59
0
PERF: speed up default homogeneous manager conversion
#69opened 10-02 20:57 by pandas-bot· merged 10-02 20:57session 10-02 20:46
0
PERF: speed up DataFrame axes access
#68opened 10-02 20:44 by pandas-bot· merged 10-02 20:44session 10-02 20:38
0
PERF avoid manager lookup for NDFrame ndim
#67opened 10-02 20:36 by pandas-bot· merged 10-02 20:36session 10-02 20:30
0
PERF avoid copying factorized labels in DataFrame.duplicated
#66opened 10-02 20:28 by pandas-bot· merged 10-02 20:28session 10-02 20:20
0
PERF: speed up Series empty access
#65opened 10-02 19:51 by pandas-bot· merged 10-02 19:51session 10-02 19:45
0
PERF speed up DataFrame empty access
#64opened 10-02 19:36 by pandas-bot· merged 10-02 19:37session 10-02 19:26
0
PERF speed up NDFrame size access
#63opened 10-02 19:24 by pandas-bot· merged 10-02 19:24session 10-02 19:16
0
PERF speed up DataFrame shape access
#62opened 10-02 19:13 by pandas-bot· merged 10-02 19:13session 10-02 19:07
0
PERF speed up Series shape access
#61opened 10-02 19:04 by pandas-bot· merged 10-02 19:04session 10-02 18:52
0
PERF speed up default Index copies
#60opened 10-02 18:48 by pandas-bot· merged 10-02 18:49session 10-02 18:40
0
PERF speed up integer RangeIndex membership
#59opened 10-02 18:38 by pandas-bot· merged 10-02 18:38session 10-02 18:32
0
PERF speed up integer RangeIndex lookup
#58opened 10-02 18:30 by pandas-bot· merged 10-02 18:30session 10-02 18:23
0
PERF speed up integer positional Index access
#57opened 10-02 18:20 by pandas-bot· merged 10-02 18:21session 10-02 18:14
0
PERF speed up identifier lookup on non-string indexes
#56opened 10-02 18:00 by pandas-bot· merged 10-02 18:00session 10-02 17:54
0
PERF speed up numeric records conversion
#55opened 10-02 17:42 by pandas-bot· merged 10-02 17:43session 10-02 17:35
0
PERF speed up numeric DataFrame.to_dict
#54opened 10-02 17:32 by pandas-bot· merged 10-02 17:32session 10-02 17:24
0
PERF avoid Series construction in DataFrame.to_records
#53opened 10-02 17:03 by pandas-bot· merged 10-02 17:04session 10-02 16:49
0
PERF avoid generator for unmasked nullable arrays
#52opened 10-02 16:45 by pandas-bot· merged 10-02 16:46session 10-02 16:36
0
PERF avoid duplicate invalid accessor checks in dir
#51opened 10-02 16:11 by pandas-bot· merged 10-02 16:11session 10-02 16:01
0
PERF avoid array construction in scalar searchsorted
#50opened 10-02 15:58 by pandas-bot· merged 10-02 15:59session 10-02 15:50
0
PERF: construct to_frame string columns directly
#49opened 10-02 15:48 by pandas-bot· merged 10-02 15:48session 10-02 15:39
0
PERF: widen identity dictionary rename fast path
#48opened 10-02 15:36 by pandas-bot· merged 10-02 15:37session 10-02 15:29
1
PERF: avoid generic intersection for RangeIndex-subset update
#47opened 10-02 15:19 by pandas-bot· merged 10-02 15:20session 10-02 15:11
0
PERF: avoid index union for aligned row-wise apply results
#46opened 10-02 15:09 by pandas-bot· merged 10-02 15:09session 10-02 15:02
0
PERF: avoid index union for aligned DataFrame apply results
#45opened 10-02 14:59 by pandas-bot· merged 10-02 14:59session 10-02 14:51
0
PERF: reduce dropna mask before inversion
#44opened 10-02 14:38 by pandas-bot· merged 10-02 14:39session 10-02 14:30
0
PERF avoid redundant coercion in DataFrame.to_numpy
#43opened 10-02 14:11 by pandas-bot· merged 10-02 14:28session 10-02 13:56
0
PERF normalize DataFrame astype string dtype once
#42opened 10-02 13:54 by pandas-bot· merged 10-02 13:54session 10-02 13:46
0
PERF construct homogeneous DataFrame transpose directly
#41opened 10-02 13:43 by pandas-bot· merged 10-02 13:43session 10-02 13:31
0
PERF: compute DataFrame notna directly
#40opened 10-02 13:27 by pandas-bot· merged 10-02 13:29session 10-02 13:17
0
PERF: speed up count for mixed NumPy blocks
#39opened 10-02 13:13 by pandas-bot· merged 10-02 13:13session 10-02 12:59
0
PERF: speed up column-wise DataFrame nunique
#38opened 10-02 12:40 by pandas-bot· merged 10-02 12:40session 10-02 12:31
0
PERF: speed up single-column DataFrame duplicated
#37opened 10-02 12:27 by pandas-bot· merged 10-02 12:28session 10-02 12:16
0
PERF: avoid duplicate lookup in GroupBy column selection
#36opened 10-02 12:13 by pandas-bot· merged 10-02 12:13session 10-02 12:00
0
PERF: avoid redundant manager copy in select_dtypes
#35opened 10-02 11:58 by pandas-bot· merged 10-02 11:58session 10-02 11:47
0
PERF: speed up DataFrame empty property
#34opened 10-02 11:37 by pandas-bot· merged 10-02 11:37session 10-02 11:31
0
PERF: speed up DataFrame size property
#33opened 10-02 11:28 by pandas-bot· merged 10-02 11:29session 10-02 11:22
0
PERF: speed up Series construction from integer dictionaries
#32opened 10-02 11:16 by pandas-bot· merged 10-02 11:20session 10-02 11:05
0
PERF: skip unused indexer for dictionary rename
#31opened 10-02 10:55 by pandas-bot· merged 10-02 10:56session 10-02 10:48
0
PERF: short-circuit RangeIndex equality with MultiIndex
#30opened 10-02 10:07 by pandas-bot· merged 10-02 10:08session 10-02 10:00
0
PERF: speed up reversed RangeIndex sorting
#29opened 10-02 09:58 by pandas-bot· merged 10-02 09:58session 10-02 09:51
0
PERF: speed up RangeIndex min and max
#28opened 10-02 09:49 by pandas-bot· merged 10-02 09:49session 10-02 09:42
0
PERF: streamline RangeIndex concatenation
#27opened 10-02 09:40 by pandas-bot· merged 10-02 09:40session 10-02 09:32
0
PERF speed up RangeIndex iteration
#26opened 10-02 09:21 by pandas-bot· merged 10-02 09:21session 10-02 09:15
0
PERF cache frequency while boxing PeriodArray
#25opened 10-02 09:13 by pandas-bot· merged 10-02 09:13session 10-02 09:05
0
PERF: speed up scalar clip for NumPy floating data
#24opened 10-02 09:00 by pandas-bot· merged 10-02 09:03session 10-02 08:53
0
PERF: speed up DataFrame.round
#23opened 10-02 08:50 by pandas-bot· merged 10-02 08:50session 10-02 08:41
0
PERF: speed up empty-data Series construction
#22opened 10-02 08:39 by pandas-bot· merged 10-02 08:39session 10-02 08:34
0
PERF: speed up single-block manager combination
#21opened 10-02 08:31 by pandas-bot· merged 10-02 08:32session 10-02 08:24
0
PERF: avoid concat in DataFrame.memory_usage
#20opened 10-02 08:22 by pandas-bot· merged 10-02 08:22session 10-02 08:13
0
PERF: speed up DataFrame.dtypes construction
#19opened 10-02 08:09 by pandas-bot· merged 10-02 08:09session 10-02 08:03
0
PERF: speed up numeric DataFrame shift on columns
#18opened 10-02 08:01 by pandas-bot· merged 10-02 08:01session 10-02 07:55
0
PERF: speed up DataFrame.count
#17opened 10-02 07:52 by pandas-bot· merged 10-02 07:52session 10-02 07:44
0
PERF: speed up identity dictionary rename
#16opened 10-02 07:41 by pandas-bot· merged 10-02 07:42session 10-02 07:33
0
PERF: avoid materializing indexers when combining a block
#15opened 10-02 07:31 by pandas-bot· merged 10-02 07:31session 10-02 07:23
0
PERF: avoid constructing Series in DataFrame.memory_usage
#14opened 10-02 07:21 by pandas-bot· merged 10-02 07:22session 10-02 07:13
1
PERF: speed up finding valid indexes
#13opened 10-02 07:11 by pandas-bot· merged 10-02 07:11session 10-02 07:02
0
PERF: speed up to_dict list for numeric data
#12opened 10-02 07:00 by pandas-bot· merged 10-02 07:00session 10-02 06:53
0
PERF: speed up DataFrame.iterrows
#11opened 10-02 06:51 by pandas-bot· merged 10-02 06:51session 10-02 06:42
0
PERF: avoid constructing Series for scalar frame lookup
#10opened 10-02 06:40 by pandas-bot· merged 10-02 06:40session 10-02 06:34
0
PERF: avoid duplicate lookup when selecting a column
#9opened 10-02 06:32 by pandas-bot· merged 10-02 06:32session 10-02 06:26
0
PERF: speed up DataFrame.items iteration
#8opened 10-02 06:24 by pandas-bot· merged 10-02 06:24session 10-02 06:17
0
PERF: speed up DataFrame.itertuples setup
#7opened 10-02 06:15 by pandas-bot· merged 10-02 06:15session 10-02 06:09
0
PERF: avoid no-op metadata propagation in finalize
#6opened 10-02 06:07 by pandas-bot· merged 10-02 06:07session 10-02 05:51
0
PERF: speed up dtype lookup for single-block frames
#5opened 10-02 05:42 by pandas-bot· merged 10-02 05:42session 10-02 05:36
0
PERF: speed up Series.to_frame with an explicit None name
#4opened 10-02 05:34 by pandas-bot· merged 10-02 05:35session 10-02 05:29
0
PERF: speed up NDFrame equality with itself
#3opened 10-02 05:26 by pandas-bot· merged 10-02 05:26session 10-02 05:15
0
PERF speed up descending unique IntervalIndex sorting
#2opened 10-02 05:13 by pandas-bot· merged 10-02 05:13session 10-02 05:05
0
PERF avoid remapping a sorted single block in _combine
#1opened 10-02 05:02 by pandas-bot· merged 10-02 05:02session 10-02 04:55
0

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