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REGR: Remove groupby's __getattribute__ for nth #49676

Merged
merged 2 commits into from
Nov 15, 2022
Merged

REGR: Remove groupby's __getattribute__ for nth #49676

merged 2 commits into from
Nov 15, 2022

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rhshadrach
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@rhshadrach rhshadrach commented Nov 12, 2022 •
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  • closes #xxxx (Replace xxxx with the GitHub issue number)
  • Tests added and passed if fixing a bug or adding a new feature
  • All code checks passed.
  • Added type annotations to new arguments/methods/functions.
  • Added an entry in the latest doc/source/whatsnew/vX.X.X.rst file if fixing a bug or adding a new feature.

The __getattribute__ was added in 1.4 by #44688. Also makes stepping through code with a debugger a bit easier

       before           after         ratio
     [289f32df]       [ce18b3c6]
     <enforce_numeric_only_resampler~1>       <remove_nth_getattribute>
-      55.8±0.3μs       50.7±0.4μs     0.91  groupby.GroupByMethods.time_dtype_as_field('uint', 'var', 'direct', 1)
-      62.8±0.7μs       57.1±0.7μs     0.91  groupby.GroupByMethods.time_dtype_as_group('uint', 'mean', 'direct', 1)
-        71.4±1μs       64.8±0.6μs     0.91  groupby.GroupByMethods.time_dtype_as_group('int', 'last', 'direct', 1)
-      42.4±0.2μs       38.5±0.2μs     0.91  groupby.GroupByMethods.time_dtype_as_field('object', 'head', 'direct', 5)
-      72.1±0.6μs       65.4±0.8μs     0.91  groupby.GroupByMethods.time_dtype_as_group('float', 'prod', 'direct', 1)
-      72.9±0.3μs       66.1±0.5μs     0.91  groupby.GroupByMethods.time_dtype_as_field('datetime', 'min', 'direct', 1)
-        38.9±1μs      35.3±0.07μs     0.91  groupby.GroupByMethods.time_dtype_as_field('uint', 'head', 'direct', 1)
-        60.3±2μs         54.7±1μs     0.91  groupby.GroupByMethods.time_dtype_as_field('int16', 'mean', 'direct', 1)
-         245±6μs          223±7μs     0.91  groupby.GroupByMethods.time_dtype_as_field('int16', 'count', 'transformation', 1)
-      56.9±0.3μs       51.6±0.2μs     0.91  groupby.GroupByMethods.time_dtype_as_field('datetime', 'all', 'direct', 1)
-        61.9±2μs         56.1±1μs     0.91  groupby.GroupByMethods.time_dtype_as_field('float', 'first', 'direct', 1)
-      40.8±0.4μs       37.0±0.3μs     0.91  groupby.GroupByMethods.time_dtype_as_field('uint', 'head', 'direct', 5)
-      54.7±0.2μs       49.6±0.6μs     0.91  groupby.GroupByMethods.time_dtype_as_field('int16', 'var', 'direct', 1)
-      58.5±0.5μs         53.0±1μs     0.91  groupby.GroupByMethods.time_dtype_as_field('float', 'var', 'direct', 5)
-        60.1±2μs         54.5±1μs     0.91  groupby.GroupByMethods.time_dtype_as_field('int16', 'tail', 'direct', 5)
-         251±1μs          227±4μs     0.91  groupby.GroupByMethods.time_dtype_as_field('int', 'std', 'transformation', 1)
-      39.7±0.5μs       36.0±0.1μs     0.91  groupby.GroupByMethods.time_dtype_as_field('datetime', 'count', 'direct', 5)
-      61.1±0.1μs         55.3±1μs     0.91  groupby.GroupByMethods.time_dtype_as_field('uint', 'tail', 'direct', 5)
-         278±2μs          252±6μs     0.91  groupby.GroupByMethods.time_dtype_as_field('int16', 'mean', 'transformation', 1)
-      71.6±0.3μs       64.8±0.4μs     0.91  groupby.GroupByMethods.time_dtype_as_field('datetime', 'first', 'direct', 1)
-      39.0±0.9μs       35.3±0.3μs     0.90  groupby.GroupByMethods.time_dtype_as_group('int16', 'head', 'direct', 1)
-        38.6±2μs       34.9±0.1μs     0.90  groupby.GroupByMethods.time_dtype_as_group('uint', 'head', 'direct', 1)
-         262±4μs          236±5μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int16', 'any', 'transformation', 1)
-      72.9±0.1μs       65.9±0.1μs     0.90  groupby.GroupByMethods.time_dtype_as_group('int', 'max', 'direct', 1)
-      79.6±0.6μs         71.9±1μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int', 'max', 'direct', 5)
-        72.7±1μs       65.7±0.5μs     0.90  groupby.GroupByMethods.time_dtype_as_group('int', 'first', 'direct', 1)
-      61.6±0.2μs       55.7±0.3μs     0.90  groupby.GroupByMethods.time_dtype_as_field('uint', 'mean', 'direct', 1)
-      55.8±0.5μs       50.3±0.5μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int', 'var', 'direct', 1)
-      51.2±0.6μs       46.2±0.4μs     0.90  groupby.GroupByMethods.time_dtype_as_group('int', 'any', 'direct', 5)
-        77.8±2μs         70.2±2μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int16', 'min', 'direct', 5)
-      72.6±0.3μs       65.5±0.2μs     0.90  groupby.GroupByMethods.time_dtype_as_group('datetime', 'first', 'direct', 1)
-      73.9±0.7μs       66.7±0.5μs     0.90  groupby.GroupByMethods.time_dtype_as_group('int', 'min', 'direct', 1)
-        76.0±2μs         68.5±1μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int16', 'last', 'direct', 5)
-        67.8±1μs       61.2±0.7μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int', 'mean', 'direct', 5)
-      78.7±0.6μs         71.0±2μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int16', 'max', 'direct', 5)
-        40.1±1μs         36.1±1μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int16', 'head', 'direct', 5)
-      39.0±0.5μs       35.1±0.6μs     0.90  groupby.GroupByMethods.time_dtype_as_field('float', 'head', 'direct', 1)
-        74.6±1μs       67.2±0.3μs     0.90  groupby.GroupByMethods.time_dtype_as_group('float', 'sum', 'direct', 1)
-      78.6±0.4μs         70.8±1μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int16', 'first', 'direct', 5)
-      61.2±0.4μs         55.1±2μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int16', 'var', 'direct', 5)
-        38.0±1μs         34.2±1μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int16', 'head', 'direct', 1)
-      89.6±0.5μs         80.7±2μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int16', 'cumcount', 'direct', 1)
-      78.7±0.4μs       70.8±0.6μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int', 'min', 'direct', 5)
-      79.4±0.5μs       71.5±0.2μs     0.90  groupby.GroupByMethods.time_dtype_as_field('uint', 'min', 'direct', 5)
-      73.0±0.7μs       65.6±0.3μs     0.90  groupby.GroupByMethods.time_dtype_as_group('int16', 'sum', 'direct', 1)
-        57.8±1μs         51.9±2μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int16', 'tail', 'direct', 1)
-        32.1±1μs       28.9±0.4μs     0.90  groupby.GroupByMethods.time_dtype_as_group('uint', 'count', 'direct', 1)
-        41.3±1μs       37.2±0.4μs     0.90  groupby.GroupByMethods.time_dtype_as_field('object', 'head', 'direct', 1)
-        58.6±1μs       52.7±0.5μs     0.90  groupby.GroupByMethods.time_dtype_as_field('uint', 'tail', 'direct', 1)
-         249±1μs          224±3μs     0.90  groupby.GroupByMethods.time_dtype_as_field('float', 'std', 'transformation', 1)
-      78.9±0.8μs       70.9±0.4μs     0.90  groupby.GroupByMethods.time_dtype_as_field('uint', 'max', 'direct', 5)
-      31.4±0.6μs       28.2±0.4μs     0.90  groupby.GroupByMethods.time_dtype_as_group('object', 'count', 'direct', 1)
-      71.1±0.6μs         63.9±3μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int', 'max', 'direct', 1)
-      73.8±0.9μs       66.2±0.1μs     0.90  groupby.GroupByMethods.time_dtype_as_group('int', 'sum', 'direct', 1)
-      71.0±0.5μs       63.7±0.5μs     0.90  groupby.GroupByMethods.time_dtype_as_field('int16', 'max', 'direct', 1)
-        39.7±1μs       35.6±0.2μs     0.90  groupby.GroupByMethods.time_dtype_as_group('float', 'head', 'direct', 1)
-      58.9±0.6μs       52.7±0.1μs     0.90  groupby.GroupByMethods.time_dtype_as_group('float', 'tail', 'direct', 1)
-        40.3±1μs       36.1±0.6μs     0.90  groupby.GroupByMethods.time_dtype_as_group('int', 'any', 'direct', 1)
-        44.9±1μs      40.2±0.08μs     0.89  groupby.GroupByMethods.time_dtype_as_field('uint', 'any', 'direct', 5)
-        39.3±1μs       35.2±0.5μs     0.89  groupby.GroupByMethods.time_dtype_as_group('datetime', 'all', 'direct', 1)
-      61.4±0.5μs       54.9±0.4μs     0.89  groupby.GroupByMethods.time_dtype_as_field('object', 'tail', 'direct', 1)
-      67.2±0.6μs       60.1±0.8μs     0.89  groupby.GroupByMethods.time_dtype_as_group('object', 'first', 'direct', 1)
-      71.1±0.8μs       63.5±0.1μs     0.89  groupby.GroupByMethods.time_dtype_as_field('datetime', 'last', 'direct', 1)
-      71.4±0.5μs       63.7±0.5μs     0.89  groupby.GroupByMethods.time_dtype_as_field('uint', 'first', 'direct', 1)
-       249±0.9μs          223±5μs     0.89  groupby.GroupByMethods.time_dtype_as_field('int16', 'std', 'transformation', 1)
-      66.0±0.3μs       58.9±0.6μs     0.89  groupby.GroupByMethods.time_dtype_as_group('object', 'last', 'direct', 1)
-      70.7±0.5μs       63.1±0.9μs     0.89  groupby.GroupByMethods.time_dtype_as_field('float', 'sum', 'direct', 5)
-        37.5±1μs       33.5±0.8μs     0.89  groupby.GroupByMethods.time_dtype_as_field('float', 'count', 'direct', 5)
-        76.7±2μs       68.5±0.5μs     0.89  groupby.GroupByMethods.time_dtype_as_field('int', 'prod', 'direct', 5)
-      69.6±0.3μs         62.0±2μs     0.89  groupby.GroupByMethods.time_dtype_as_field('float', 'last', 'direct', 5)
-      70.6±0.8μs       62.8±0.1μs     0.89  groupby.GroupByMethods.time_dtype_as_field('uint', 'last', 'direct', 1)
-      33.1±0.9μs       29.4±0.2μs     0.89  groupby.GroupByMethods.time_dtype_as_group('float', 'count', 'direct', 1)
-        63.8±1μs         56.7±1μs     0.89  groupby.GroupByMethods.time_dtype_as_field('float', 'max', 'direct', 1)
-      69.5±0.2μs         61.8±2μs     0.89  groupby.GroupByMethods.time_dtype_as_field('float', 'first', 'direct', 5)
-      71.2±0.5μs       63.4±0.5μs     0.89  groupby.GroupByMethods.time_dtype_as_group('int16', 'prod', 'direct', 1)
-      70.6±0.1μs       62.8±0.7μs     0.89  groupby.GroupByMethods.time_dtype_as_field('float', 'min', 'direct', 5)
-      70.6±0.7μs       62.7±0.3μs     0.89  groupby.GroupByMethods.time_dtype_as_field('uint', 'prod', 'direct', 1)
-      52.5±0.5μs         46.6±1μs     0.89  groupby.GroupByMethods.time_dtype_as_field('float', 'var', 'direct', 1)
-      75.6±0.2μs      67.1±0.09μs     0.89  groupby.GroupByMethods.time_dtype_as_field('datetime', 'tail', 'direct', 5)
-      32.6±0.5μs       29.0±0.2μs     0.89  groupby.GroupByMethods.time_dtype_as_field('uint', 'count', 'direct', 1)
-      63.3±0.9μs         56.2±1μs     0.89  groupby.GroupByMethods.time_dtype_as_field('float', 'min', 'direct', 1)
-      70.7±0.6μs         62.8±2μs     0.89  groupby.GroupByMethods.time_dtype_as_field('int', 'first', 'direct', 1)
-      39.1±0.8μs       34.7±0.4μs     0.89  groupby.GroupByMethods.time_dtype_as_group('object', 'any', 'direct', 1)
-      70.1±0.9μs         62.1±2μs     0.89  groupby.GroupByMethods.time_dtype_as_field('int16', 'first', 'direct', 1)
-      39.4±0.2μs       34.9±0.4μs     0.89  groupby.GroupByMethods.time_dtype_as_group('int', 'head', 'direct', 1)
-      61.3±0.9μs         54.2±1μs     0.89  groupby.GroupByMethods.time_dtype_as_field('int', 'tail', 'direct', 5)
-      70.6±0.1μs         62.5±2μs     0.89  groupby.GroupByMethods.time_dtype_as_field('float', 'max', 'direct', 5)
-      69.9±0.8μs       61.9±0.9μs     0.89  groupby.GroupByMethods.time_dtype_as_field('int', 'last', 'direct', 1)
-      32.9±0.3μs       29.1±0.2μs     0.88  groupby.GroupByMethods.time_dtype_as_group('int16', 'count', 'direct', 1)
-      77.3±0.2μs         68.3±1μs     0.88  groupby.GroupByMethods.time_dtype_as_field('int', 'last', 'direct', 5)
-        71.4±2μs         63.1±2μs     0.88  groupby.GroupByMethods.time_dtype_as_field('int', 'min', 'direct', 1)
-        79.9±1μs       70.6±0.5μs     0.88  groupby.GroupByMethods.time_dtype_as_field('int', 'sum', 'direct', 5)
-         163±4μs         144±10μs     0.88  groupby.GroupByMethods.time_dtype_as_field('int', 'quantile', 'direct', 1)
-        61.6±1μs         54.4±2μs     0.88  groupby.GroupByMethods.time_dtype_as_field('int', 'mean', 'direct', 1)
-      59.1±0.8μs       52.2±0.3μs     0.88  groupby.GroupByMethods.time_dtype_as_group('datetime', 'tail', 'direct', 1)
-        39.5±1μs       34.9±0.5μs     0.88  groupby.GroupByMethods.time_dtype_as_field('uint', 'all', 'direct', 1)
-      45.2±0.2μs       39.9±0.2μs     0.88  groupby.GroupByMethods.time_dtype_as_field('uint', 'all', 'direct', 5)
-      69.4±0.4μs         61.2±1μs     0.88  groupby.GroupByMethods.time_dtype_as_field('float', 'prod', 'direct', 5)
-        44.9±1μs       39.6±0.5μs     0.88  groupby.GroupByMethods.time_dtype_as_field('float', 'all', 'direct', 5)
-        39.7±1μs       35.0±0.1μs     0.88  groupby.GroupByMethods.time_dtype_as_group('int', 'all', 'direct', 1)
-      38.3±0.3μs       33.7±0.4μs     0.88  groupby.GroupByMethods.time_dtype_as_field('int16', 'count', 'direct', 5)
-      61.7±0.9μs         54.3±1μs     0.88  groupby.GroupByMethods.time_dtype_as_field('float', 'tail', 'direct', 5)
-         177±3μs         156±10μs     0.88  groupby.GroupByMethods.time_dtype_as_field('int', 'quantile', 'direct', 5)
-      35.0±0.4μs       30.8±0.3μs     0.88  groupby.GroupByMethods.time_dtype_as_field('datetime', 'count', 'direct', 1)
-        39.5±1μs       34.8±0.4μs     0.88  groupby.GroupByMethods.time_dtype_as_group('uint', 'all', 'direct', 1)
-      39.5±0.3μs       34.7±0.6μs     0.88  groupby.GroupByMethods.time_dtype_as_field('int', 'head', 'direct', 1)
-      41.2±0.2μs       36.2±0.9μs     0.88  groupby.GroupByMethods.time_dtype_as_field('float', 'head', 'direct', 5)
-      40.8±0.3μs         35.8±1μs     0.88  groupby.GroupByMethods.time_dtype_as_field('int', 'head', 'direct', 5)
-        59.9±1μs       52.7±0.1μs     0.88  groupby.GroupByMethods.time_dtype_as_group('int', 'tail', 'direct', 1)
-      38.4±0.2μs       33.7±0.2μs     0.88  groupby.GroupByMethods.time_dtype_as_field('uint', 'count', 'direct', 5)
-        62.7±1μs         55.1±1μs     0.88  groupby.GroupByMethods.time_dtype_as_field('float', 'prod', 'direct', 1)
-      56.5±0.4μs       49.5±0.5μs     0.88  groupby.GroupByMethods.time_dtype_as_group('object', 'tail', 'direct', 1)
-      32.9±0.6μs       28.8±0.7μs     0.88  groupby.GroupByMethods.time_dtype_as_field('float', 'count', 'direct', 1)
-      62.0±0.6μs         54.3±1μs     0.88  groupby.GroupByMethods.time_dtype_as_field('float', 'last', 'direct', 1)
-      45.2±0.4μs       39.5±0.3μs     0.87  groupby.GroupByMethods.time_dtype_as_field('int', 'all', 'direct', 5)
-        59.1±2μs         51.6±2μs     0.87  groupby.GroupByMethods.time_dtype_as_field('int', 'tail', 'direct', 1)
-        71.3±1μs         62.3±1μs     0.87  groupby.GroupByMethods.time_dtype_as_field('int', 'prod', 'direct', 1)
-      41.2±0.4μs       36.0±0.1μs     0.87  groupby.GroupByMethods.time_dtype_as_group('uint', 'any', 'direct', 1)
-      33.3±0.3μs       29.1±0.5μs     0.87  groupby.GroupByMethods.time_dtype_as_group('int', 'count', 'direct', 1)
-        50.1±1μs       43.7±0.2μs     0.87  groupby.GroupByMethods.time_dtype_as_field('uint', 'std', 'direct', 5)
-      59.1±0.5μs         51.6±1μs     0.87  groupby.GroupByMethods.time_dtype_as_field('float', 'mean', 'direct', 1)
-      40.8±0.5μs       35.6±0.6μs     0.87  groupby.GroupByMethods.time_dtype_as_group('datetime', 'any', 'direct', 1)
-      38.0±0.8μs         33.1±1μs     0.87  groupby.GroupByMethods.time_dtype_as_field('int', 'count', 'direct', 5)
-      60.5±0.5μs       52.6±0.4μs     0.87  groupby.GroupByMethods.time_dtype_as_group('int16', 'tail', 'direct', 1)
-      40.1±0.7μs         34.9±1μs     0.87  groupby.GroupByMethods.time_dtype_as_field('float', 'any', 'direct', 1)
-      46.0±0.1μs       40.0±0.8μs     0.87  groupby.GroupByMethods.time_dtype_as_field('int', 'any', 'direct', 5)
-      44.5±0.6μs       38.7±0.5μs     0.87  groupby.GroupByMethods.time_dtype_as_field('int16', 'any', 'direct', 5)
-      40.3±0.6μs       35.0±0.5μs     0.87  groupby.GroupByMethods.time_dtype_as_group('float', 'all', 'direct', 1)
-      59.0±0.4μs         51.2±1μs     0.87  groupby.GroupByMethods.time_dtype_as_field('float', 'tail', 'direct', 1)
-      40.3±0.7μs       34.9±0.4μs     0.87  groupby.GroupByMethods.time_dtype_as_group('int16', 'all', 'direct', 1)
-      73.2±0.3μs         63.5±1μs     0.87  groupby.GroupByMethods.time_dtype_as_field('int', 'sum', 'direct', 1)
-      40.6±0.7μs       35.2±0.5μs     0.87  groupby.GroupByMethods.time_dtype_as_group('int16', 'any', 'direct', 1)
-      33.1±0.4μs       28.7±0.9μs     0.87  groupby.GroupByMethods.time_dtype_as_field('int', 'count', 'direct', 1)
-      73.5±0.4μs      63.5±0.05μs     0.86  groupby.GroupByMethods.time_dtype_as_field('uint', 'sum', 'direct', 1)
-      64.7±0.8μs         55.8±2μs     0.86  groupby.GroupByMethods.time_dtype_as_field('float', 'sum', 'direct', 1)
-        39.1±1μs         33.7±1μs     0.86  groupby.GroupByMethods.time_dtype_as_field('int16', 'any', 'direct', 1)
-      45.9±0.6μs       39.5±0.8μs     0.86  groupby.GroupByMethods.time_dtype_as_field('float', 'any', 'direct', 5)
-      41.1±0.5μs       35.4±0.3μs     0.86  groupby.GroupByMethods.time_dtype_as_group('float', 'any', 'direct', 1)
-        46.7±1μs       40.2±0.2μs     0.86  groupby.GroupByMethods.time_dtype_as_group('uint', 'std', 'direct', 1)
-      39.5±0.8μs       33.9±0.2μs     0.86  groupby.GroupByMethods.time_dtype_as_group('object', 'all', 'direct', 1)
-      41.0±0.5μs       35.2±0.4μs     0.86  groupby.GroupByMethods.time_dtype_as_field('uint', 'any', 'direct', 1)
-      47.3±0.7μs       40.5±0.4μs     0.86  groupby.GroupByMethods.time_dtype_as_group('int', 'std', 'direct', 1)
-      40.1±0.1μs         34.3±1μs     0.86  groupby.GroupByMethods.time_dtype_as_field('int', 'any', 'direct', 1)
-      32.7±0.6μs       28.0±0.8μs     0.86  groupby.GroupByMethods.time_dtype_as_field('int16', 'count', 'direct', 1)
-      49.3±0.3μs       42.1±0.3μs     0.85  groupby.GroupByMethods.time_dtype_as_group('float', 'std', 'direct', 1)
-      40.2±0.9μs         34.3±1μs     0.85  groupby.GroupByMethods.time_dtype_as_field('float', 'all', 'direct', 1)
-      39.4±0.1μs       33.6±0.4μs     0.85  groupby.GroupByMethods.time_dtype_as_field('int16', 'all', 'direct', 1)
-      40.7±0.2μs       34.6±0.8μs     0.85  groupby.GroupByMethods.time_dtype_as_field('int', 'all', 'direct', 1)
-      50.7±0.7μs       42.6±0.9μs     0.84  groupby.GroupByMethods.time_dtype_as_field('int', 'std', 'direct', 5)
-      47.4±0.7μs       39.8±0.2μs     0.84  groupby.GroupByMethods.time_dtype_as_group('int16', 'std', 'direct', 1)
-      44.8±0.4μs         37.5±1μs     0.84  groupby.GroupByMethods.time_dtype_as_field('int16', 'all', 'direct', 5)
-      43.4±0.3μs       36.4±0.4μs     0.84  groupby.GroupByMethods.time_dtype_as_field('float', 'std', 'direct', 1)
-      46.0±0.5μs       38.5±0.1μs     0.84  groupby.GroupByMethods.time_dtype_as_field('uint', 'std', 'direct', 1)
-      51.1±0.3μs       42.7±0.2μs     0.83  groupby.GroupByMethods.time_dtype_as_field('int16', 'std', 'direct', 5)
-        45.0±1μs       37.4±0.6μs     0.83  groupby.GroupByMethods.time_dtype_as_field('int16', 'std', 'direct', 1)
-      46.0±0.6μs       38.2±0.4μs     0.83  groupby.GroupByMethods.time_dtype_as_field('int', 'std', 'direct', 1)
-      49.4±0.3μs         40.9±1μs     0.83  groupby.GroupByMethods.time_dtype_as_field('float', 'std', 'direct', 5)

SOME BENCHMARKS HAVE CHANGED SIGNIFICANTLY.
PERFORMANCE INCREASED.

@rhshadrach rhshadrach added Groupby Performance Memory or execution speed performance labels Nov 12, 2022
@rhshadrach rhshadrach added this to the 1.5.2 milestone Nov 12, 2022
@rhshadrach rhshadrach changed the title CLN: Remove groupby's __getattribute__ for nth PERF: Remove groupby's __getattribute__ for nth Nov 12, 2022
@rhshadrach rhshadrach changed the title PERF: Remove groupby's __getattribute__ for nth REGR: Remove groupby's __getattribute__ for nth Nov 12, 2022
@rhshadrach rhshadrach added the Regression Functionality that used to work in a prior pandas version label Nov 12, 2022
MarcoGorelli
MarcoGorelli approved these changes Nov 13, 2022
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I'm surprised this is enough to affect performance, but looks good to me

@rhshadrach rhshadrach mentioned this pull request Nov 13, 2022
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jreback
jreback approved these changes Nov 13, 2022
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lgtm

@datapythonista datapythonista merged commit b2b61af into pandas-dev:main Nov 15, 2022
@meeseeksmachine meeseeksmachine mentioned this pull request Nov 15, 2022
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meeseeksmachine pushed a commit to meeseeksmachine/pandas that referenced this pull request Nov 15, 2022
@rhshadrach @meeseeksmachine
Backport PR pandas-dev#49676: REGR: Remove groupby's __getattribute__…
fa6978b 
… for nth
phofl pushed a commit that referenced this pull request Nov 16, 2022
@meeseeksmachine @rhshadrach
Backport PR #49676 on branch 1.5.x (REGR: Remove groupby's __getattri…
63a91d0 
…bute__ for nth) (#49705)

* Backport PR #49676: REGR: Remove groupby's __getattribute__ for nth

Co-authored-by: Richard Shadrach <45562402+rhshadrach@users.noreply.github.com>
MarcoGorelli pushed a commit to MarcoGorelli/pandas that referenced this pull request Nov 18, 2022
@rhshadrach
REGR: Remove groupby's __getattribute__ for nth (pandas-dev#49676)
9c350d2
@rhshadrach rhshadrach deleted the remove_nth_getattribute branch November 22, 2022 03:23
mliu08 pushed a commit to mliu08/pandas that referenced this pull request Nov 27, 2022
@rhshadrach @mliu08
REGR: Remove groupby's __getattribute__ for nth (pandas-dev#49676)
1b023df
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