Try to find a way to better use Hashset to reduce memory and CPU
Here a exemple:
https://spark.lucko.me/7FShGimrLf

is nearly 17% here and I think we can optise it

This appears to be code injected by Valkyrien Skies, please report this to them.

https://github.com/ValkyrienSkies/Valkyrien-Skies-2/blob/c3076eba2428b4bef3a4732aea55051d928f41ae/common/src/main/java/org/valkyrienskies/mod/mixin/server/world/MixinServerLevel.java#L117

oh ok