[issue27350] Compact and ordered dict

[INADA Naoki]

New submission from INADA Naoki:

I've implemented compact ordered dictionary, introduced in PyPy blog [1].

To finish my work, I really need core developer's help.  Please see TODO comment
in the patch.

[1]: https://morepypy.blogspot.jp/2015/01/faster-more-memory-efficient-and-more.html

See also:
https://mail.python.org/pipermail/python-dev/2016-June/145299.html
https://github.com/methane/cpython/pull/1 (same to attached patch)

----------
components: Interpreter Core
files: compact-dict.patch
keywords: patch
messages: 268837
nosy: naoki
priority: normal
severity: normal
status: open
title: Compact and ordered dict
versions: Python 3.6
Added file: http://bugs.python.org/file43463/compact-dict.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27350>
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