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[Python-Dev] Let's change to C API!

Hi Victor,

On Sun, 29 Jul 2018 21:47:51 +0200
Victor Stinner <vstinner at redhat.com> wrote:
> I just sent an email to the capi-sig mailing list. Since this mailing
> list was idle for months, I copy my email here to get a wider
> audience. But if possible, I would prefer that you join me on capi-sig
> to reply ;-)
> --
> Hi,
> Last year, I gave a talk at the Language Summit (during Pycon) to
> explain that CPython should become 2x faster to remain competitive.
> IMHO all attempts to optimize Python (CPython forks) have failed
> because they have been blocked by the C API which implies strict
> constraints.

Well, that's your opinion, but did you prove it?  Which CPython forks
did you examine that failed because of the C API?

The one area I know of where the C API is a strong barrier to
improvement is removing the GIL, and I'd rather let Larry speak about