Digging Deeper Into Minecraft Block Lookup Performance

I recently read a blog post by Madeline Miller about the performance of block lookups in Minecraft and how it's got worse on modern servers. The numbers made sense to me, we all know Minecraft has got slower since the good ol' days, and blocks are kind of the entire

Testing in Nodus - IsolatedVM

At a very high level, Nodus is a JVMTI based mod loader for Minecraft written in Rust, and it loads mods written in Java. This means we interact with JVMTI and JNI a lot, and to make things more complicated, a lot of that code does weird things like defining