[issue20416] Marshal: performance regression with versions 3 and 4

[Roundup Robot]

Roundup Robot added the comment:

New changeset 012364df2712 by Serhiy Storchaka in branch 'default':
Issue #20416: marshal.dumps() with protocols 3 and 4 is now 40-50% faster on
https://hg.python.org/cpython/rev/012364df2712

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nosy: +python-dev

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20416>
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