[pypy-issue] Issue #3153: pypy3 performance regression (pypy/pypy)

[Bernat Gabor]

New issue 3153: pypy3 performance regression
https://bitbucket.org/pypy/pypy/issues/3153/pypy3-performance-regression

Bernat Gabor:

Here is a concrete example:

[https://github.com/pypa/virtualenv/blob/rewrite/tasks/make\_zipapp.py](https://github.com/pypa/virtualenv/blob/rewrite/tasks/make_zipapp.py)

This script runs within:

* CPython 3.8 - 63.82s 
* pypy3 - 447.57s
*  pypy2 - 99.13s on

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Benchmarks from [https://dev.azure.com/pypa/virtualenv/\_build/results?buildId=17548](https://dev.azure.com/pypa/virtualenv/_build/results?buildId=17548). I'd hope pypy3 to be on par at least with pypy2 here.

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