From 0adcf0778d147c35d811debc341fe20bec4999a5 Mon Sep 17 00:00:00 2001 From: Joris Van den Bossche Date: Mon, 2 Jul 2018 17:49:46 +0200 Subject: [PATCH] DOC: move whatsnew on performance from 0.23.2 to 0.24.0 --- doc/source/whatsnew/v0.23.2.txt | 13 ------------- doc/source/whatsnew/v0.24.0.txt | 6 ++++++ 2 files changed, 6 insertions(+), 13 deletions(-) diff --git a/doc/source/whatsnew/v0.23.2.txt b/doc/source/whatsnew/v0.23.2.txt index 1ca693755b3c6..41d370f88f396 100644 --- a/doc/source/whatsnew/v0.23.2.txt +++ b/doc/source/whatsnew/v0.23.2.txt @@ -59,19 +59,6 @@ Fixed Regressions - Bug in :meth:`Timestamp.ceil` and :meth:`Timestamp.floor` when timestamp is a multiple of the rounding frequency (:issue:`21262`) - Fixed regression in :func:`to_clipboard` that defaulted to copying dataframes with space delimited instead of tab delimited (:issue:`21104`) -.. _whatsnew_0232.performance: - -Performance Improvements -~~~~~~~~~~~~~~~~~~~~~~~~ - -- Improved performance of membership checks in :class:`Categorical` and :class:`CategoricalIndex` - (i.e. ``x in cat``-style checks are much faster). :meth:`CategoricalIndex.contains` - is likewise much faster (:issue:`21369`, :issue:`21508`) -- Improved performance of :meth:`HDFStore.groups` (and dependent functions like - :meth:`~HDFStore.keys`. (i.e. ``x in store`` checks are much faster) - (:issue:`21372`) -- Improved performance of :meth:`MultiIndex.is_unique` (:issue:`21522`) -- Documentation Changes ~~~~~~~~~~~~~~~~~~~~~ diff --git a/doc/source/whatsnew/v0.24.0.txt b/doc/source/whatsnew/v0.24.0.txt index 0ca5b9cdf1d57..f3fdde6814742 100644 --- a/doc/source/whatsnew/v0.24.0.txt +++ b/doc/source/whatsnew/v0.24.0.txt @@ -201,6 +201,12 @@ Performance Improvements - Improved performance of :func:`Series.describe` in case of numeric dtpyes (:issue:`21274`) - Improved performance of :func:`pandas.core.groupby.GroupBy.rank` when dealing with tied rankings (:issue:`21237`) - Improved performance of :func:`DataFrame.set_index` with columns consisting of :class:`Period` objects (:issue:`21582`,:issue:`21606`) +- Improved performance of membership checks in :class:`Categorical` and :class:`CategoricalIndex` + (i.e. ``x in cat``-style checks are much faster). :meth:`CategoricalIndex.contains` + is likewise much faster (:issue:`21369`, :issue:`21508`) +- Improved performance of :meth:`HDFStore.groups` (and dependent functions like + :meth:`~HDFStore.keys`. (i.e. ``x in store`` checks are much faster) + (:issue:`21372`) - .. _whatsnew_0240.docs: