[issue39168] Generic type subscription is a huge toll on Python performance

[Guido van Rossum]

Guido van Rossum <guido at python.org> added the comment:

@davidm

I don't see such a dramatic difference -- the generic version is a tad slower, but the difference is less than the variation between runs.

What platform are you using?  (I'm doing this on Windows.)

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<https://bugs.python.org/issue39168>
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