[ipsum2]

The title is misleading. The blog post doesn't cover how fast using async python is, it's a tutorial on how to use their ORM redis library.

[mixmastamyk]

There's a link on the page which digs in a bit more:

https://magic.io/blog/uvloop-blazing-fast-python-networking/

[jackbravo]

And that topic was discussed in HN previously with 130 comments:

https://news.ycombinator.com/item?id=11625585