8000 gh-95913: Edit & expand Optimizations in 3.11 WhatsNew by CAM-Gerlach · Pull Request #98426 · python/cpython · GitHub
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Merged
merged 6 commits into from
Oct 22, 2022
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gh-95913: Edit & expand Optimizations in 3.11 WhatsNew #98426

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3c8f2a3
Edit and xref Optimizations section
CAM-Gerlach Oct 19, 2022
3d5f4c4
Re-order by language (impact), builtins (impact), stdlib (a->z)
CAM-Gerlach Oct 19, 2022
c99b507
Add additional significant optimizations mentioned in the changelog
CAM-Gerlach Oct 19, 2022
6d1c182
Add intro clarifying scope and linking to Faster CPython section
CAM-Gerlach Oct 19, 2022
e7a1a01
Remove gh-91404 re entry from Optimizations to add to Faster CPython
CAM-Gerlach Oct 19, 2022
5dc4449
Remove zero-cost exceptions from Optimization to move to Faster CPython
CAM-Gerlach Oct 20, 2022
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Remove gh-91404 re entry from Optimizations to add to Faster CPython
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@CAM-Gerlach
CAM-Gerlach committed Oct 19, 2022
commit e7a1a01b00d004c887e65777132bb46e3cf772d5
6 changes: 0 additions & 6 deletions Doc/whatsnew/3.11.rst
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Expand Up @@ -1169,12 +1169,6 @@ This section covers specific optimizations independent of the
≈10 times faster for large arguments (with a larger speedup for larger *k*).
(Contributed by Serhiy Storchaka in :issue:`37295`.)

* :mod:`re`'s regular expression matching engine has been partially refactored,
and now uses computed gotos (or "threaded code") on supported platforms. As a
result, Python 3.11 executes the `pyperformance regular expression benchmarks
<https://pyperformance.readthedocs.io/benchmarks.html#regex-dna>`_ up to 10%
faster than Python 3.10.

* The :mod:`statistics` functions :func:`~statistics.mean`,
:func:`~statistics.variance` and :func:`~statistics.stdev` now consume
iterators in one pass rather than converting them to a :class:`list` first.
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