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| author | Raymond Hettinger <python@rcn.com> | 2016-12-30 06:49:20 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2016-12-30 06:49:20 (GMT) |
| commit | 51447db47c0f4c9f2ecf0e77b37b238cc947b3e0 (patch) | |
| tree | 818a6db8b98855e7578471e1b8ebb90a3ff8fd2d | |
| parent | e9ee207622f0f78e31b8277ccb9eaa895ea3472d (diff) | |
| download | cpython-51447db47c0f4c9f2ecf0e77b37b238cc947b3e0.zip cpython-51447db47c0f4c9f2ecf0e77b37b238cc947b3e0.tar.gz cpython-51447db47c0f4c9f2ecf0e77b37b238cc947b3e0.tar.bz2 | |
Clearer compact dict attribution to the original proposal
| -rw-r--r-- | Doc/whatsnew/3.6.rst | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Doc/whatsnew/3.6.rst b/Doc/whatsnew/3.6.rst index 4cabb60..2d483a2 100644 --- a/Doc/whatsnew/3.6.rst +++ b/Doc/whatsnew/3.6.rst @@ -81,7 +81,9 @@ CPython implementation improvements: * The :ref:`dict <typesmapping>` type has been reimplemented to use a :ref:`more compact representation <whatsnew36-compactdict>` - similar to the `PyPy dict implementation`_. This resulted in dictionaries + based on `a proposal by Raymond Hettinger + <https://mail.python.org/pipermail/python-dev/2012-December/123028.html>`_ + and similar to the `PyPy dict implementation`_. This resulted in dictionaries using 20% to 25% less memory when compared to Python 3.5. * Customization of class creation has been simplified with the @@ -581,7 +583,10 @@ New :ref:`dict <typesmapping>` implementation --------------------------------------------- The :ref:`dict <typesmapping>` type now uses a "compact" representation -`pioneered by PyPy <https://morepypy.blogspot.com/2015/01/faster-more-memory-efficient-and-more.html>`_. +based on `a proposal by Raymond Hettinger +<https://mail.python.org/pipermail/python-dev/2012-December/123028.html>`_ +which was `first implemented by PyPy +<https://morepypy.blogspot.com/2015/01/faster-more-memory-efficient-and-more.html>`_. The memory usage of the new :func:`dict` is between 20% and 25% smaller compared to Python 3.5. |