How to reproduce the performance issue

Probably a large base. I want to inspect this profile and see if we can optimize something.

Spark profile link

https://spark.lucko.me/h8fe8Lb9iY

Which minecraft version are you using?

1.19

On which mod loaders does it happen?

Fabric

Additional details

No response

Looks like some massive pattern provider spam, hard to say what exactly is happening.