8000 PERF: Use is_utc check to improve performance of dateutil UTC in DatetimeIndex methods by mroeschke · Pull Request #23772 · pandas-dev/pandas · GitHub
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PERF: Use is_utc check to improve performance of dateutil UTC in DatetimeIndex methods #23772

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Merged
merged 9 commits into from
Nov 18, 2018
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PERF: Use is_utc check to improve performance of dateutil UTC in DatetimeIndex methods #23772

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da9d0d0
PERF: DatetimeIndex attribute access with dateutil UTC
Nov 18, 2018
66783ff
Speed up other dateutil UTC checks
Nov 18, 2018
eb14cef
Add benchmarks:
Nov 18, 2018
9c23d11
Merge remote-tracking branch 'upstream/master' into dateutil_tz_perfo…
Nov 18, 2018
a969059
add more benchmarks
Nov 18, 2018
9cc8495
Merge remote-tracking branch 'upstream/master' into dateutil_tz_perfo…
Nov 18, 2018
49c08c5
Adjust benchmarks
Nov 18, 2018
1d1c8db
Add whatsnew and flake
Nov 18, 2018
ca60770
add whatsnew number
Nov 18, 2018
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Matt Roeschke committed Nov 18, 2018
commit 1d1c8dbaf173842d4cdd65c016cbaba83ebe86a5
1 change: 1 addition & 0 deletions asv_bench/benchmarks/timeseries.py
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Expand Up @@ -411,4 +411,5 @@ def time_dt_accessor_date(self, tz):
def time_dt_accessor_year(self, tz):
self.series.dt.year


from .pandas_vb_common import setup # noqa: F401
1 change: 1 addition & 0 deletions doc/source/whatsnew/v0.24.0.rst
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Expand Up @@ -1141,6 +1141,7 @@ Performance Improvements
- Improved performance of :func:`PeriodIndex.unique` (:issue:`23083`)
- Improved performance of :func:`pd.concat` for `Series` objects (:issue:`23404`)
- Improved performance of :meth:`DatetimeIndex.normalize` and :meth:`Timestamp.normalize` for timezone naive or UTC datetimes (:issue:`23634`)
- Improved performance of :meth:`DatetimeIndex.tz_localize` and various ``DatetimeIndex`` attributes with dateutil UTC timezone (:issue:``)


.. _whatsnew_0240.docs:
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