[issue44775] Speed-up typing.cast by implementing it in C

[Yurii Karabas]

Change by Yurii Karabas <1998uri...@gmail.com>:


--
keywords: +patch
pull_requests: +25993
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/27474

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[issue44775] Speed-up typing.cast by implementing it in C

[Yurii Karabas]

New submission from Yurii Karabas <1998uri...@gmail.com>:

In scope of https://github.com/python/cpython/pull/27262 we have introduce 
`_typing` module with typing related helper functions.

It will be great to speedup `typing.cast` function by implementing it in C.

I have already done it and here is results:
```
import timeit
import typing
import _typing

def _timeit(m):
print(m.__name__, timeit.timeit("cast(int, 1)", globals={"cast": m.cast}))

_timeit(typing)
_timeit(_typing)
```

```
typing  0.0702372890082188
_typing 0.033294505992671475
```

--
components: Library (Lib)
messages: 398529
nosy: kj, uriyyo
priority: normal
severity: normal
status: open
title: Speed-up typing.cast by implementing it in C
type: enhancement

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