[pypy-issue] [issue767] copy.deepcopy is slower than cpython

[Alex Gaynor]

Alex Gaynor <alex.gaynor at gmail.com> added the comment:

So I haven't backported the fix from CPython yet, however with the type-
specialized dicts we are now within ~3% of CPython on this code (nice work 
Carl!).

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<https://bugs.pypy.org/issue767>
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