[issue17025] reduce multiprocessing.Queue contention

[Roundup Robot]

Roundup Robot added the comment:

New changeset bedb4cbdd311 by Charles-François Natali in branch 'default':
Issue #17025: Add dumps() and loads() to ForkingPickler.
http://hg.python.org/cpython/rev/bedb4cbdd311

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nosy: +python-dev

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue17025>
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