[issue13150] Most of Python's startup time is sysconfig

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> I am curious: wouldn't be a way of keeping the compiled expressions in
> a static cache somewhere, so we would compile them just once and have
> both import time and runtime fast ?

Runtime shouldn't be affected. The re module has its own LRU caching.

That said, it seems regular expressions are pickleable:

b'\x80\x03cre\n_compile\nq\x00X\x00\x00\x00\x00q\x01K \x86q\x02Rq\x03.'

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