Apple provide Rosetta which could run x86_64 application[1]. Some benchmark on Apple M1 report it has decent performance[2], so why bother re-write Keyhunt code on java? IMO it's more practical to find way to compile Keyhunt on Mac environment instead.


Such package is exist, Oracle wrote an article about GPU programming using Java[3].

[1] https://developer.apple.com/documentation/apple-silicon/about-the-rosetta-translation-environment
[2]
[3] https://blogs.oracle.com/javamagazine/post/programming-the-gpu-in-java