GitHub - facebookincubator/cinder: Cinder is Meta's internal performance-oriented production version of CPython.

Short answer: no. We've made Cinder publicly available in order to facilitate conversation about potentially upstreaming some of this work to CPython and to reduce duplication of effort among people working on CPython performance. Cinder is not polished or documented for anyone else's use. We don't have the desire for it to become an alternative to CPython. Our goal in making this code available i

[tmatsuu]

Meta社のSNSであるThreadsのバックエンドはこのPython魔改造のCinderで実装されているらしい。

[suzukiMY]

Instagramで使われているパフォーマンス指向のCPython3.8のプロダクト。 Shadowcode