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| author | Raymond Hettinger <python@rcn.com> | 2016-12-29 23:49:20 -0700 |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2016-12-29 23:49:20 -0700 |
| commit | d72b34435bb17ad60a0ffd9dea44193ae656f7ae (patch) | |
| tree | 0bddcceeafd2cb6d109374f8c09ae86c5fce8737 /Doc/whatsnew | |
| parent | f1ea52dc25720b914dd57910df22ac3a35a5ff00 (diff) | |
| download | cpython-d72b34435bb17ad60a0ffd9dea44193ae656f7ae.tar.gz | |
Clearer compact dict attribution to the original proposal
Diffstat (limited to 'Doc/whatsnew')
| -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 4cabb60b4c..2d483a26e5 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. |